diff --git a/src/encoding.cpp b/src/encoding.cpp
index 23e1460..a16962a 100644
--- a/src/encoding.cpp
+++ b/src/encoding.cpp
@@ -1397,9 +1397,10 @@
 			"larger than space (%d) left in block: copy "
 			"only remaining space, and we are done\n",
 			chunk, space);
-		/* block is filled, so there is no extension */
-		if (e_pointer)
-			*e_pointer |= 0x01;
+		if (e_pointer) {
+			/* LLC frame not finished, so there is no extension octet */
+			*e_pointer |= 0x02; /* set previous M bit = 1 */
+		}
 		/* fill only space */
 		llc->consume(data, space);
 		if (count_payload)
@@ -1438,6 +1439,10 @@
 		if (delimiter != data)
 			memmove(delimiter + 1, delimiter,
 				data - delimiter);
+		if (e_pointer) {
+			*e_pointer &= 0xfe; /* set previous E bit = 0 */
+			*e_pointer |= 0x02; /* set previous M bit = 1 */
+		}
 		data++;
 		(*offset)++;
 		space--;
@@ -1465,12 +1470,16 @@
 	/* make space for delimiter */
 	if (delimiter != data)
 		memmove(delimiter + 1, delimiter, data - delimiter);
+	if (e_pointer) {
+		*e_pointer &= 0xfe; /* set previous E bit = 0 */
+		*e_pointer |= 0x02; /* set previous M bit = 1 */
+	}
 	data++;
 	(*offset)++;
 	space--;
 	/* add LI to delimit frame */
 	li = (struct rlc_li_field *)delimiter;
-	li->e = 0; /* Extension bit, maybe set later */
+	li->e = 1; /*  not more extension, maybe set later */
 	li->m = 0; /* will be set later, if there is more LLC data */
 	li->li = chunk; /* length of chunk */
 	rdbi->e = 0; /* 0: extensions present */
@@ -1483,22 +1492,19 @@
 	space -= chunk;
 	(*offset) += chunk;
 	/* if we have more data and we have space left */
-	if (space > 0 && !is_final) {
-		li->m = 1; /* we indicate more frames to follow */
+	if (space > 0 && !is_final)
 		return Encoding::AR_COMPLETED_SPACE_LEFT;
-	}
+
 	/* if we don't have more LLC frames */
 	if (is_final) {
 		LOGP(DRLCMACDL, LOGL_DEBUG, "-- Final block, so we "
 			"done.\n");
-		li->e = 1; /* we cannot extend */
 		rdbi->cv = 0;
 		return Encoding::AR_COMPLETED_BLOCK_FILLED;
 	}
 	/* we have no space left */
 	LOGP(DRLCMACDL, LOGL_DEBUG, "-- No space left, so we are "
 		"done.\n");
-	li->e = 1; /* we cannot extend */
 	return Encoding::AR_COMPLETED_BLOCK_FILLED;
 }
 
@@ -1594,7 +1600,7 @@
 	space     -= 1;
 	/* add LI to delimit frame */
 	li = (struct rlc_li_field_egprs *)delimiter;
-	li->e = 1; /* Extension bit, maybe set later */
+	li->e = 1; /* not more extension, maybe set later */
 	li->li = chunk; /* length of chunk */
 	/* tell previous extension header about the new one */
 	if (prev_li)
@@ -1611,56 +1617,26 @@
 	space -= chunk;
 	(*offset) += chunk;
 	/* if we have more data and we have space left */
-	if (space > 0) {
-		if (!is_final)
+	if (!is_final) {
+		if (space > 0) {
 			return Encoding::AR_COMPLETED_SPACE_LEFT;
-
+		} else {
+			/* we have no space left */
+			LOGP(DRLCMACDL, LOGL_DEBUG, "-- No space left, so we are "
+				"done.\n");
+			return Encoding::AR_COMPLETED_BLOCK_FILLED;
+		}
+	} else {
 		/* we don't have more LLC frames */
-		/* We will have to add another chunk with filling octets */
-		LOGP(DRLCMACDL, LOGL_DEBUG,
-			"-- There is remaining space (%d): add filling byte chunk\n",
-			space);
-
-		if (delimiter != data)
-			memmove(delimiter + 1, delimiter, data - delimiter);
-
-		data      += 1;
-		(*offset) += 1;
-		space     -= 1;
-
-		/* set filling bytes extension */
-		li = (struct rlc_li_field_egprs *)delimiter;
-		li->e = 1;
-		li->li = 127;
-
-		/* tell previous extension header about the new one */
-		if (prev_li)
-			prev_li->e = 0;
-
-		delimiter++;
-		(*num_chunks)++;
-
+		LOGP(DRLCMACDL, LOGL_DEBUG, "-- Final block, so we are done.\n");
 		rdbi->cv = 0;
-
-		LOGP(DRLCMACDL, LOGL_DEBUG, "-- Final block, so we "
-			"are done.\n");
-
-		*offset = rdbi->data_len;
+		if (space > 0)
+			Encoding::rlc_data_to_dl_append_egprs_li_padding(rdbi,
+									 offset,
+									 num_chunks,
+									 data_block);
 		return Encoding::AR_COMPLETED_BLOCK_FILLED;
 	}
-
-	if (is_final) {
-		/* we don't have more LLC frames */
-		LOGP(DRLCMACDL, LOGL_DEBUG, "-- Final block, so we "
-			"are done.\n");
-		rdbi->cv = 0;
-		return Encoding::AR_COMPLETED_BLOCK_FILLED;
-	}
-
-	/* we have no space left */
-	LOGP(DRLCMACDL, LOGL_DEBUG, "-- No space left, so we are "
-		"done.\n");
-	return Encoding::AR_COMPLETED_BLOCK_FILLED;
 }
 
 /*!
@@ -1697,6 +1673,39 @@
 	return AR_NEED_MORE_BLOCKS;
 }
 
+void Encoding::rlc_data_to_dl_append_egprs_li_padding(
+	const struct gprs_rlc_data_block_info *rdbi,
+	int *offset, int *num_chunks, uint8_t *data_block)
+{
+	struct rlc_li_field_egprs *li;
+	struct rlc_li_field_egprs *prev_li;
+	uint8_t *delimiter, *data;
+
+	LOGP(DRLCMACDL, LOGL_DEBUG, "Adding LI=127 to signal padding\n");
+
+	data = data_block + *offset;
+	delimiter = data_block + *num_chunks;
+	prev_li = (struct rlc_li_field_egprs *)(*num_chunks ? delimiter - 1 : NULL);
+
+	/* we don't have more LLC frames */
+	/* We will have to add another chunk with filling octets */
+
+	if (delimiter != data)
+		memmove(delimiter + 1, delimiter, data - delimiter);
+
+	/* set filling bytes extension */
+	li = (struct rlc_li_field_egprs *)delimiter;
+	li->e = 1;
+	li->li = 127;
+
+	/* tell previous extension header about the new one */
+	if (prev_li)
+		prev_li->e = 0;
+
+	(*num_chunks)++;
+	*offset = rdbi->data_len;
+}
+
 /*
  * Refer 44.060 version 7.27.0 Release 7
  * section 7.1.3.2.1 On receipt of a PACKET RESOURCE REQUEST message
diff --git a/src/encoding.h b/src/encoding.h
index 5f8496e..da63a61 100644
--- a/src/encoding.h
+++ b/src/encoding.h
@@ -104,4 +104,7 @@
 		struct gprs_rlc_data_block_info *rdbi, enum CodingScheme cs,
 		gprs_llc *llc, int *offset, int *num_chunks,
 		uint8_t *data, bool is_final, int *count_payload);
+	static void rlc_data_to_dl_append_egprs_li_padding(
+		const struct gprs_rlc_data_block_info *rdbi,
+		int *offset, int *num_chunks, uint8_t *data_block);
 };
diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp
index ad98510..bb89e81 100644
--- a/src/tbf_dl.cpp
+++ b/src/tbf_dl.cpp
@@ -694,9 +694,33 @@
 		int payload_written = 0;
 
 		if (m_llc.frame_length() == 0) {
-			/* nothing to sent - delay the release of the TBF */
+			/* It is not clear, when the next real data will
+			 * arrive, so request a DL ack/nack now */
+			request_dl_ack();
 
 			int space = block_data_len - write_offset;
+
+			if (num_chunks != 0) {
+				/* Nothing to send, and we already put some data in
+				 * rlcmac data block, we are done */
+				LOGPTBFDL(this, LOGL_DEBUG,
+					  "LLC queue completely drained and there's "
+					  "still %d free bytes in rlcmac data block\n", space);
+				if (mcs_is_edge(cs)) {
+					/* in EGPRS there's no M bit, so we need
+					 * to flag padding with LI=127 */
+					Encoding::rlc_data_to_dl_append_egprs_li_padding(rdbi,
+											 &write_offset,
+											 &num_chunks,
+											 data);
+				}
+				break;
+			}
+
+			/* Nothing to send from upper layers (LLC), but still
+			 * requested to send something to MS to delay the
+			 * release of the TBF. See 3GPP TS 44.060 9.3.1a
+			 * "Delayed release of downlink Temporary Block Flow" */
 			/* A header will need to by added, so we just need
 			 * space-1 octets */
 			m_llc.put_dummy_frame(space - 1);
@@ -705,10 +729,6 @@
 			if (m_last_dl_drained_fn < 0)
 				m_last_dl_drained_fn = fn;
 
-			/* It is not clear, when the next real data will
-			 * arrive, so request a DL ack/nack now */
-			request_dl_ack();
-
 			LOGPTBFDL(this, LOGL_DEBUG,
 				  "Empty chunk, added LLC dummy command of size %d, drained_since=%d\n",
 				  m_llc.frame_length(), frames_since_last_drain(fn));
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index c54c316..fa5fd47 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -416,15 +416,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==0 .. V(S)==20) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Sending new block at BSN 20, CS=CS-1
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Complete DL frame, len=200
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Empty chunk, added LLC dummy command of size 16, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Complete DL frame, len=16
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) data block (BSN 20, CS-1): 0a 41 c6 c7 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) LLC queue completely drained and there's still 17 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) data block (BSN 20, CS-1): 09 c6 c7 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) need_padding 0 spb_status 0 spb 0 (BSN1 20 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Copying data unit 0 (BSN 20)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) msg block (BSN 20, CS-1): 07 00 28 0a 41 c6 c7 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) msg block (BSN 20, CS-1): 07 00 28 09 c6 c7 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) ack:  (BSN=85)"RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR"(BSN=20)  R=ACK I=NACK
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) DL analysis, range=0:21, lost=0, recv=21, skipped=0, bsn=0, info='RRRRRRRRRRRRRRRRRRRRR...........................................'
@@ -432,7 +431,7 @@
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=4 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==21 .. V(S)==21) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Sending new dummy block at BSN 21, CS=CS-1
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Empty chunk, added LLC dummy command of size 19, drained_since=4
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Empty chunk, added LLC dummy command of size 19, drained_since=0
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Complete DL frame, len=19
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) data block (BSN 21, CS-1): 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) need_padding 0 spb_status 0 spb 0 (BSN1 21 BSN2 -1)
@@ -448,7 +447,7 @@
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=4 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) downlink (V(A)==22 .. V(S)==22) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Sending new dummy block at BSN 22, CS=CS-1
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Empty chunk, added LLC dummy command of size 19, drained_since=112
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Empty chunk, added LLC dummy command of size 19, drained_since=108
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) Complete DL frame, len=19
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW) changes state from FLOW to FINISHED
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FINISHED) data block (BSN 22, CS-1): 4d 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
@@ -3433,15 +3432,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-1
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 10, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-1): 14 15 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 11 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-1): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-1): 07 00 00 16 28 2a 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-1): 07 00 00 16 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -3679,15 +3677,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==24) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 24, CS=MCS-1
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 14, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=14
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 24, MCS-1): 0c 1d 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 15 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 24, MCS-1): 0c ff 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 24 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 24)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 24, MCS-1): 07 00 06 16 18 3a 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 24, MCS-1): 07 00 06 16 18 fe 03 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -3739,15 +3736,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-2
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 16, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=16
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-2): 14 21 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 17 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-2): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-2): 07 00 00 12 28 42 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-2): 07 00 00 12 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -3935,15 +3931,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==19) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 19, CS=MCS-2
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 18, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=18
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 19, MCS-2): 10 25 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 19 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 19, MCS-2): 10 ff 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 19 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 19)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 19, MCS-2): 07 c0 04 12 20 4a 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 19, MCS-2): 07 c0 04 12 20 fe 03 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -3995,15 +3990,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 25, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=25
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-3): 14 33 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 26 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-3): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-3): 07 00 00 06 28 66 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-3): 07 00 00 06 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4141,27 +4135,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==14) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 14, CS=MCS-3
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 6, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 14, MCS-3): 3f 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 5 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 14, MCS-3): 3e ff 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 14 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 14)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 14, MCS-3): 07 80 03 06 7e 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 00 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=4 mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==15) mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 15, CS=MCS-3
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=6
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 34, drained_since=4
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=34
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 15, MCS-3): 02 45 2b 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 15 BSN2 -1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 15)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 15, MCS-3): 07 c0 03 06 04 8a 56 86 80 03 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 14, MCS-3): 07 80 03 06 7c fe 03 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4213,15 +4194,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 32, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=32
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-4): 14 41 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 33 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-4): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-4): 07 00 00 00 28 82 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-4): 07 00 00 00 28 fe 03 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4339,15 +4319,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==12) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 12, CS=MCS-4
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 14, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=14
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 12, MCS-4): 38 1d 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 15 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 12, MCS-4): 38 ff 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 12 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 12)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 12, MCS-4): 07 00 03 00 70 3a 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 86 80 03 56 56 56 56 56 56 56 56 56 56 56 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 12, MCS-4): 07 00 03 00 70 fe 03 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 02 56 56 56 56 56 56 56 56 56 56 56 56 56 56 00 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4399,15 +4378,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-5
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 44, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=44
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-5): 14 59 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 45 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-5): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 07 00 00 08 45 56 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 07 00 00 08 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4505,15 +4483,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==10) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 10, CS=MCS-5
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 46, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=46
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 10, MCS-5): 10 5d 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 47 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 10, MCS-5): 10 ff 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 10 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 07 80 02 08 44 57 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 07 80 02 08 c4 7f 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4565,15 +4542,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-6
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 62, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=62
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-6): 14 7d 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 63 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-6): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 07 00 00 00 45 5f 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 07 00 00 00 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4641,27 +4617,14 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==7) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 7, CS=MCS-6
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 6, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 7, MCS-6): 89 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 5 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 7, MCS-6): 88 ff 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 7 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 7)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 7, MCS-6): 07 c0 01 40 62 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca 0a 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8) mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 8, CS=MCS-6
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=6
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 71, drained_since=5
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=71
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 8, MCS-6): 02 8f 2b 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 8 BSN2 -1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 8)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-6): 07 00 02 80 c0 e3 ca 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 7, MCS-6): 07 c0 01 00 e2 7f 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 c0 ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4713,16 +4676,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-7
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 44, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=44
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-7): 14 59 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 45 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-7): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 07 00 00 08 45 56 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-5): 07 00 00 08 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4738,7 +4700,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 07 00 00 02 b8 50 64 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 07 00 00 02 b8 50 fc 07 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 2, CS=MCS-7
@@ -4795,16 +4757,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==10) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 10, CS=MCS-7
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 46, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=46
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 10, MCS-7): 10 5d 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 47 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 10, MCS-7): 10 ff 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 10 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 07 80 02 08 44 57 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 07 80 02 08 c4 7f 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4856,9 +4817,8 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-8
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 56, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=56
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-8): 14 71 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 57 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-8): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 1 BSNs
@@ -4866,7 +4826,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-8): 07 00 00 00 60 50 c4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 40 11 17 10 10 10 10 10 10 10 10 10 30 04 1c b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-8): 07 00 00 00 60 50 fc 07 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 40 f1 1f 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -4882,7 +4842,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-8): 07 00 00 02 88 50 c4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-8): 07 00 00 02 88 50 fc 07 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 2, CS=MCS-8
@@ -4926,9 +4886,8 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 8, CS=MCS-8
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 30, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=30
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 8, MCS-8): 48 3d 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 31 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 8, MCS-8): 48 ff 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 8 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 1 BSNs
@@ -4936,7 +4895,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 8)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-8): 07 00 02 00 60 20 f5 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 80 d4 13 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 30 04 1c b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-8): 07 00 02 00 60 20 fd 07 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 80 f4 1f 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -4988,16 +4947,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 0, CS=MCS-9
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Dequeue next LLC (len=10)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 62, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=62
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-9): 14 7d 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 63 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-9): 14 ff 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 07 00 00 00 45 5f 40 40 40 40 40 40 40 40 40 c0 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-6): 07 00 00 00 c5 7f 40 40 40 40 40 40 40 40 40 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) appending 512 bytes
 Received RTS for PDCH: TRX=0 TS=4 FN=8 block_nr=2 scheduling free USF for polling at FN=13 of TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
@@ -5013,7 +4971,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 07 00 00 02 20 50 f4 05 04 04 04 04 04 04 04 04 04 0c 01 07 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 07 00 00 02 20 50 fc 07 04 04 04 04 04 04 04 04 04 ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac ac 14 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 00 
 Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 2, CS=MCS-9
@@ -5046,29 +5004,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 6, MCS-9): 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 7, CS=MCS-9 (forced)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=512
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 6, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 7, MCS-9): 89 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 43 c0 01 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 5 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 7, MCS-9): 88 ff 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 6 BSN2 7)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 2 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 6)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 7)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 6, MCS-9): 07 80 01 02 00 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 90 18 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 30 04 1c b0 b2 02 
-Scheduling data message at RTS for DL TFI=0 (TRX=0, TS=4) prio=3 mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==8) mcs_mode_restrict=EGPRS
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 8, CS=MCS-9
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=6
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 71, drained_since=5
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=71
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 8, MCS-9): 02 8f 2b 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Restarting at BSN 0, because all blocks have been transmitted (FLOW).
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 8 BSN2 -1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 8)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Polling is already scheduled
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-6): 07 00 02 80 c0 e3 ca 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 6, MCS-9): 07 80 01 02 00 05 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 04 80 f8 1f 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 b0 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -5287,16 +5231,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 1, CS=MCS-5
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=100
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 10, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-5): 58 15 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 43 c0 01 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 11 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-5): 58 ff 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 1 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=21, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=21, TS=4
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-5): 0f 40 00 08 56 05 4e 8e ce 0e 4f 8f cf 0f 50 90 d0 10 51 91 d1 11 52 92 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 10 70 c0 ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-5): 0f 40 00 08 d6 3f 4e 8e ce 0e 4f 8f cf 0f 50 90 d0 10 51 91 d1 11 52 92 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) initial_cs_dl(MCS-5) last_mcs(MCS-5) demanded_mcs(MCS-7) cs_trans(MCS-7) arq_type(1) bsn(0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Resending BSN 0
@@ -5306,7 +5249,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 2 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 07 00 00 02 c0 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc 80 55 81 93 a3 b3 c3 d3 e3 f3 03 14 24 34 44 54 64 74 84 94 a4 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 36 04 1c b0 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 07 00 00 02 c0 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc 80 f5 8f 93 a3 b3 c3 d3 e3 f3 03 14 24 34 44 54 64 74 84 94 a4 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -5358,16 +5301,15 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==1) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 1, CS=MCS-6
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=100
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 46, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=46
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-6): 34 5d 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 47 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-6): 34 ff 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 1 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=21, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=21, TS=4
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-6): 0f 40 00 00 4d 97 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-6): 0f 40 00 00 cd bf d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) initial_cs_dl(MCS-6) last_mcs(MCS-6) demanded_mcs(MCS-9) cs_trans(MCS-9) arq_type(1) bsn(0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Resending BSN 0
@@ -5377,7 +5319,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 2 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 1 (BSN 1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 07 00 00 02 28 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc e0 e4 e8 ec f0 f4 f8 fc 00 05 09 0d 11 15 19 1d 21 25 41 d3 a5 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 36 04 1c b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 07 00 00 02 28 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc e0 e4 e8 ec f0 f4 f8 fc 00 05 09 0d 11 15 19 1d 21 25 41 f3 af b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -5424,9 +5366,8 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-7): 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 1, CS=MCS-7 (forced)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=100
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 10, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=10
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-7): 58 15 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 43 c0 01 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 11 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-7): 58 ff 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 2 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
@@ -5434,7 +5375,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 0f 00 00 02 a0 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc 80 55 81 93 a3 b3 c3 d3 e3 f3 03 14 24 34 44 54 64 74 84 94 a4 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 36 04 1c b0 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-7): 0f 00 00 02 a0 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc 80 f5 8f 93 a3 b3 c3 d3 e3 f3 03 14 24 34 44 54 64 74 84 94 a4 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) initial_cs_dl(MCS-7) last_mcs(MCS-7) demanded_mcs(MCS-5) cs_trans(MCS-5) arq_type(1) bsn(0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Resending BSN 0
@@ -5448,7 +5389,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 1 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-5): 07 40 00 08 56 05 4e 8e ce 0e 4f 8f cf 0f 50 90 d0 10 51 91 d1 11 52 92 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 10 70 c0 ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-5): 07 40 00 08 d6 3f 4e 8e ce 0e 4f 8f cf 0f 50 90 d0 10 51 91 d1 11 52 92 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE
@@ -5495,9 +5436,8 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 0, MCS-9): 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10 11 12 13 14 15 16 17 18 19 1a 1b 1c 1d 1e 1f 20 21 22 23 24 25 26 27 28 29 2a 2b 2c 2d 2e 2f 30 31 32 33 34 35 36 37 38 39 3a 3b 3c 3d 3e 3f 40 41 42 43 44 45 46 47 48 49 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Sending new block at BSN 1, CS=MCS-9 (forced)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=100
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Empty chunk, added LLC dummy command of size 46, drained_since=0
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Complete DL frame, len=46
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-9): 34 5d 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 43 c0 01 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) LLC queue completely drained and there's still 47 free bytes in rlcmac data block
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) data block (BSN 1, MCS-9): 34 ff 4a 4b 4c 4d 4e 4f 50 51 52 53 54 55 56 57 58 59 5a 5b 5c 5d 5e 5f 60 61 62 63 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 2b 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 0 BSN2 1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 2 RLC blocks, 2 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 0)
@@ -5505,7 +5445,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduling Ack/Nack polling, because it was requested explicitly (e.g. first final block sent).
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled DL Acknowledgement polling on UNKNOWN (FN=17, TS=4)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on FN=17, TS=4
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 0f 00 00 02 00 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc e0 e4 e8 ec f0 f4 f8 fc 00 05 09 0d 11 15 19 1d 21 25 41 d3 a5 b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 36 04 1c b0 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 0, MCS-9): 0f 00 00 02 00 01 04 08 0c 10 14 18 1c 20 24 28 2c 30 34 38 3c 40 44 48 4c 50 54 58 5c 60 64 68 6c 70 74 78 7c 80 84 88 8c 90 94 98 9c a0 a4 a8 ac b0 b4 b8 bc c0 c4 c8 cc d0 d4 d8 dc e0 e4 e8 ec f0 f4 f8 fc 00 05 09 0d 11 15 19 1d 21 25 41 f3 af b4 c4 d4 e4 f4 04 15 25 35 45 55 65 75 85 95 a5 b5 c5 d5 e5 f5 05 16 26 36 b6 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 b2 02 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink (V(A)==0 .. V(S)==2) mcs_mode_restrict=EGPRS
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) initial_cs_dl(MCS-9) last_mcs(MCS-9) demanded_mcs(MCS-6) cs_trans(MCS-6) arq_type(1) bsn(0)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Resending BSN 0
@@ -5519,7 +5459,7 @@
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) need_padding 0 spb_status 0 spb 0 (BSN1 1 BSN2 -1)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying 1 RLC blocks, 1 BSNs
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Copying data unit 0 (BSN 1)
-TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-6): 07 40 00 02 4d 97 d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 10 70 c0 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
+TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 1, MCS-6): 07 40 00 02 cd bf d2 12 53 93 d3 13 54 94 d4 14 55 95 d5 15 56 96 d6 16 57 97 d7 17 58 98 d8 d8 ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca ca 0a 
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) downlink acknowledge
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Final ACK received.
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) changes state from FLOW to WAIT RELEASE