diff --git a/src/pdch_ul_controller.c b/src/pdch_ul_controller.c
index e7a721c0..79a03391 100644
--- a/src/pdch_ul_controller.c
+++ b/src/pdch_ul_controller.c
@@ -325,8 +325,9 @@ void pdch_ulc_expire_fn(struct pdch_ulc *ulc, uint32_t fn)
 			break;
 		case PDCH_ULC_NODE_TBF_POLL:
 			LOGPDCH(ulc->pdch, DRLCMAC, LOGL_NOTICE,
-				"Timeout for registered POLL (FN=%u): %s\n",
-				item->fn, tbf_name(item->tbf_poll.poll_tbf));
+				"Timeout for registered POLL (FN=%u, reason=%s): %s\n",
+				item->fn, get_value_string(pdch_ulc_tbf_poll_reason_names, item->tbf_poll.reason),
+				tbf_name(item->tbf_poll.poll_tbf));
 			tbf_poll_timeout(item->tbf_poll.poll_tbf, ulc->pdch, item->fn, item->tbf_poll.reason);
 			break;
 		case PDCH_ULC_NODE_SBA:
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index 8d93f593..26ba446e 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -2044,7 +2044,7 @@ TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) msg block (BSN 0, CS-4): 0f 01
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654292 but previous FN=2654283 is still reserved!
 PDCH(bts=0,trx=0,ts=7) Timeout for registered USF (FN=2654283): TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) N3101 1 => 2 (< MAX 10)
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654292): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654292, reason=DL_ACK): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) poll timeout for FN=2654292, TS=7 (curr FN 2654292)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) N3105 0 => 1 (< MAX 8)
@@ -2106,7 +2106,7 @@ PDCH(bts=0,trx=0,ts=7) Expiring FN=2654348 but previous FN=2654301 is still rese
 PDCH(bts=0,trx=0,ts=7) Timeout for registered USF (FN=2654301): TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=FLOW) N3101 2 => 3 (< MAX 10)
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654348 but previous FN=2654309 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654309): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654309, reason=DL_ACK): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) poll timeout for FN=2654309, TS=7 (curr FN 2654348)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) N3105 1 => 2 (< MAX 8)
@@ -3284,7 +3284,7 @@ TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=RELEASING) N3101 21 => 22 (< MAX 10)
 PDCH(bts=0,trx=0,ts=7) Expiring FN=2654379 but previous FN=2654374 is still reserved!
 PDCH(bts=0,trx=0,ts=7) Timeout for registered USF (FN=2654374): TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=RELEASING)
 TBF(TFI=0 TLLI=0xf1223344 DIR=UL STATE=RELEASING) N3101 22 => 23 (< MAX 10)
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654379): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654379, reason=DL_ACK): TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) poll timeout for FN=2654379, TS=7 (curr FN 2654379)
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xf1223344 DIR=DL STATE=FINISHED) N3105 0 => 1 (< MAX 8)
@@ -4295,20 +4295,20 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 24, MCS-1): 0f 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 
 Detected FN jump! 8 -> 112
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 112)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 112)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
 TBF(DL-TFI_0){FLOW}: Received Event DL_ACKNACK_MISS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=112 but previous FN=104 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=104): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=104, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=104, TS=4 (curr FN 112)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 2 => 3 (< MAX 8)
 TBF(DL-TFI_0){FLOW}: Received Event DL_ACKNACK_MISS
@@ -4558,14 +4558,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 19, MCS-2): 0f 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 
 Detected FN jump! 8 -> 91
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 91)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=91 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 91)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -4776,14 +4776,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 14, MCS-3): 0f 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 
 Detected FN jump! 8 -> 69
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 69)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=69 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 69)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -4978,14 +4978,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 12, MCS-4): 0f 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 
 Detected FN jump! 8 -> 60
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 60)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=60 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 60)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -5164,14 +5164,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 0f 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 
 Detected FN jump! 8 -> 52
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 52)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=52 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 52)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -5326,14 +5326,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 7, MCS-6): 0f 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 
 Detected FN jump! 8 -> 39
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 39)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=39 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 39)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -5497,14 +5497,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 10, MCS-5): 0f 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 
 Detected FN jump! 8 -> 34
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 34)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=34 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 34)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -5659,14 +5659,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 8, MCS-8): 0f 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 
 Detected FN jump! 8 -> 30
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 30)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=30 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 30)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -5810,14 +5810,14 @@ TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Scheduled Ack/Nack polling on
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) msg block (BSN 6, MCS-9): 0f 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 
 Detected FN jump! 8 -> 26
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=13, reason=DL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=13, TS=4 (curr FN 26)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET CONTROL ACK for PACKET DOWNLINK ASSIGNMENT: |Assignment was on PACCH|No downlink ACK received yet|
 DL_ASS_TBF(DL-TFI_0){WAIT_ACK}: state_chg to SEND_ASS
 PDCH(bts=0,trx=0,ts=4) Expiring FN=26 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 26)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 1 => 2 (< MAX 8)
@@ -6124,7 +6124,7 @@ 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) 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 
 Detected FN jump! 58 -> 63
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=21 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=21, TS=4 (curr FN 63)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
@@ -6217,7 +6217,7 @@ 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 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 
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=21 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=21, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=21, TS=4 (curr FN 63)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
@@ -6310,7 +6310,7 @@ 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 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 
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 63)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
@@ -6403,7 +6403,7 @@ 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 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 
 PDCH(bts=0,trx=0,ts=4) Expiring FN=63 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
+PDCH(bts=0,trx=0,ts=4) Timeout for registered POLL (FN=17, reason=DL_ACK): TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) poll timeout for FN=17, TS=4 (curr FN 63)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) Timeout for polling PACKET DOWNLINK ACK: |Assignment was on PACCH|No downlink ACK received yet|
 TBF(TFI=0 TLLI=0xffeeddcc DIR=DL STATE=FLOW EGPRS) N3105 0 => 1 (< MAX 8)
@@ -8752,7 +8752,7 @@ UL_ASS_TBF(UL-TFI_1){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_1){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddcd, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=56 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=0 TLLI=0xffeeddcc DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=0 TLLI=0xffeeddcc DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 56)
 TBF(TFI=0 TLLI=0xffeeddcc DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_0){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -8805,7 +8805,7 @@ UL_ASS_TBF(UL-TFI_2){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_2){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddce, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=60 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=1 TLLI=0xffeeddcd DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=1 TLLI=0xffeeddcd DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=1 TLLI=0xffeeddcd DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 60)
 TBF(TFI=1 TLLI=0xffeeddcd DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_1){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -8858,7 +8858,7 @@ UL_ASS_TBF(UL-TFI_3){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_3){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddcf, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=65 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=2 TLLI=0xffeeddce DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=2 TLLI=0xffeeddce DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=2 TLLI=0xffeeddce DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 65)
 TBF(TFI=2 TLLI=0xffeeddce DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_2){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -8911,7 +8911,7 @@ UL_ASS_TBF(UL-TFI_4){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_4){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddd0, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=69 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=3 TLLI=0xffeeddcf DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=3 TLLI=0xffeeddcf DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=3 TLLI=0xffeeddcf DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 69)
 TBF(TFI=3 TLLI=0xffeeddcf DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_3){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -8964,7 +8964,7 @@ UL_ASS_TBF(UL-TFI_5){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_5){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddd1, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=73 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=4 TLLI=0xffeeddd0 DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=4 TLLI=0xffeeddd0 DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=4 TLLI=0xffeeddd0 DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 73)
 TBF(TFI=4 TLLI=0xffeeddd0 DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_4){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -9017,7 +9017,7 @@ UL_ASS_TBF(UL-TFI_6){NONE}: Received Event SCHED_ASS
 UL_ASS_TBF(UL-TFI_6){NONE}: state_chg to SEND_ASS
 MS(TLLI=0xffeeddd2, IMSI=, TA=7, 11/11, UL) Link quality 12dB (old 12dB) left window [-256, 6], modifying uplink CS level: MCS-1 -> MCS-2
 PDCH(bts=0,trx=0,ts=7) Expiring FN=78 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=5 TLLI=0xffeeddd1 DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=5 TLLI=0xffeeddd1 DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=5 TLLI=0xffeeddd1 DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 78)
 TBF(TFI=5 TLLI=0xffeeddd1 DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_5){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
@@ -9074,7 +9074,7 @@ TBF(TFI=0 TLLI=0xffeeddd3 DIR=UL STATE=ASSIGN) Starting timer X2001 [assignment
 UL_ASS_TBF{NONE}: Received Event SCHED_ASS_REJ
 UL_ASS_TBF{NONE}: state_chg to SEND_ASS_REJ
 PDCH(bts=0,trx=0,ts=7) Expiring FN=82 but previous FN=2654231 is still reserved!
-PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231): TBF(TFI=6 TLLI=0xffeeddd2 DIR=UL STATE=ASSIGN EGPRS)
+PDCH(bts=0,trx=0,ts=7) Timeout for registered POLL (FN=2654231, reason=UL_ASS): TBF(TFI=6 TLLI=0xffeeddd2 DIR=UL STATE=ASSIGN EGPRS)
 TBF(TFI=6 TLLI=0xffeeddd2 DIR=UL STATE=ASSIGN EGPRS) poll timeout for FN=2654231, TS=7 (curr FN 82)
 TBF(TFI=6 TLLI=0xffeeddd2 DIR=UL STATE=ASSIGN EGPRS) N3105 0 => 1 (< MAX 8)
 UL_ASS_TBF(UL-TFI_6){WAIT_ACK}: Received Event ASS_POLL_TIMEOUT
diff --git a/tests/ulc/PdchUlcTest.err b/tests/ulc/PdchUlcTest.err
index e4a79a6f..d122f31c 100644
--- a/tests/ulc/PdchUlcTest.err
+++ b/tests/ulc/PdchUlcTest.err
@@ -7,40 +7,40 @@ PDCH(bts=0,trx=0,ts=0) Timeout for registered SBA (FN=72, TA=0)
 Creating MS object, TLLI = 0x12345678
 MS(TLLI=0x12345678, IMSI=, TA=220, 0/0,) Attaching DL TBF: TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=2715613 but previous FN=2715608 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715608): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715613): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715608, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715613, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715617 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715617): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715617, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715622 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715622): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715622, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715626 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715626): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715626, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715630 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715630): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715630, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715635 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715635): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715635, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715639 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715639): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715639, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=2715643 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715643): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=2715643, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=4 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=4): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=4, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=8 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=8): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=8, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=13 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=13): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=13, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=17 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=17): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=17, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=21 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=21): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=21, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=26 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=26): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=26, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=30 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=30): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=30, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=34 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=34): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=34, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) Expiring FN=43 but previous FN=39 is still reserved!
-PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=39): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
+PDCH(bts=0,trx=0,ts=0) Timeout for registered POLL (FN=39, reason=UL_ASS): TBF(TFI=0 TLLI=0x12345678 DIR=DL STATE=NEW)
 PDCH(bts=0,trx=0,ts=0) POLL scheduled at FN 26 + 13 = 39
 PDCH(bts=0,trx=0,ts=0) UL block already scheduled at FN 91 + 13 = 104
 PDCH(bts=0,trx=0,ts=0) POLL scheduled at FN 91 + 17 = 108