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Bug #5096

closed

rbs2000 ALL BORKEN Channels

Added by keith 10 months ago. Updated 10 months ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
Ericsson BTS
Target version:
-
Start date:
03/26/2021
Due date:
04/04/2021
% Done:

100%

Spec Reference:

Description

All channels are ending up in state BORKEN shortly after bringing up the BTS.
Will add any more info to the ticket as it becomes available.

Log of transition to BORKEN:

Mar 26 13:53:48 tosepan osmo-bsc[12799]: DRLL DEBUG <0000> lchan_select.c:91 looking for lchan SDCCH8: (bts=0,trx=1,ts=1,pchan=SDCCH8,state=IN_USE) ss=3 is available
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DRLL DEBUG <0000> lchan_select.c:258 (bts=0) lchan_select_by_type(SDCCH)
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN INFO <000f> lchan_select.c:262 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{UNUSED}: (type=SDCCH) Selected
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> abis_rsl.c:1760 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{UNUSED}: (type=SDCCH) MS: Channel Request: reason=LOCATION_UPDATE ra
=0x02 ta=65
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:329 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{UNUSED}: Received Event LCHAN_EV_ACTIVATE
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:553 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{UNUSED}: state_chg to WAIT_TS_READY
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> gsm_data.c:868 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_TS_READY}: (type=SDCCH) MS Power level update requested: 33 dBm
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> gsm_data.c:900 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_TS_READY}: (type=SDCCH) MS Power level update (power class 0): 0
 -> 5
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN INFO <000f> lchan_fsm.c:636 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_TS_READY}: (type=SDCCH) Activation requested: FOR_MS_CHANNEL_REQ
UEST voice=no MGW-ci=none type=SDCCH tch-mode=SIGNALLING encr-alg=A5/0 ck=none
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DTS DEBUG <0010> lchan_fsm.c:640 timeslot(0-1-1-SDCCH8)[0x55d1ebcfbf60]{IN_USE}: Received Event TS_EV_LCHAN_REQUESTED
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> timeslot_fsm.c:639 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_TS_READY}: Received Event LCHAN_EV_TS_READY
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:654 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_TS_READY}: state_chg to WAIT_ACTIV_ACK
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DRSL DEBUG <0003> abis_rsl.c:530 (bts=0,trx=1,ts=1,pchan=SDCCH8,state=IN_USE) Tx RSL Channel Activate with act_type=INITIAL
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DLMI DEBUG <0019> input/e1d.c:112 TX: 08 21 01 59 03 00 06 04 00 03 01 00 05 06 64 59 e0 fa 72 00 04 00 0d 05 18 41
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DLMI DEBUG <0019> e1_input.c:729 E1TS(0:1) <= len = 4, sapi(62) tei(0)
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DLMI DEBUG <0019> e1_input.c:729 E1TS(0:4) <= len = 4, sapi(0) tei(1)
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DLMI DEBUG <0019> e1_input.c:729 E1TS(0:4) <= len = 11, sapi(0) tei(1)
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DLMI DEBUG <0019> e1_input.c:769 E1TS(0:4) RX: 08 23 01 59 1a 01 2f  sapi=0 tei=1
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> abis_rsl.c:1232 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: (type=SDCCH) Rx CHAN_ACTIV_NACK
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN ERROR <000f> abis_rsl.c:961 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: (type=SDCCH) CHANNEL ACTIVATE NACK (cause=Resource not available, unspecified [ 2f ])
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> abis_rsl.c:966 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: Received Event LCHAN_EV_RSL_CHAN_ACTIV_NACK
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:740 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: (type=SDCCH) Handling failure, will then transition to state BORKEN
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN ERROR <000f> lchan_fsm.c:81 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: (type=SDCCH) lchan allocation failed in state WAIT_ACTIV_ACK: Chan Activ NACK: Resource not available, unspecified (0x2f)
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN NOTICE <000f> lchan_fsm.c:106 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: (type=SDCCH) Tx Immediate Assignment Reject (lchan allocation failed in state WAIT_ACTIV_ACK: Chan Activ NACK: Resource not available, unspecified (0x2f))
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:740 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{WAIT_ACTIV_ACK}: state_chg to BORKEN
Mar 26 13:53:48 tosepan osmo-bsc[12799]: DCHAN DEBUG <000f> lchan_fsm.c:382 lchan(0-1-1-SDCCH8-3)[0x55d1ebd0d810]{BORKEN}: (type=SDCCH) Clearing lchan state


Files

bsc-e1.pcap bsc-e1.pcap 985 KB CHANnel ACTIVation Negative ACK keith, 03/26/2021 10:33 PM
osmo-bsc.cfg osmo-bsc.cfg 5.54 KB keith, 03/26/2021 10:39 PM
lur-bomb.pcap lur-bomb.pcap 1.37 MB keith, 03/28/2021 07:58 PM
osmo-bsc.log.gz osmo-bsc.log.gz 4.21 MB keith, 03/28/2021 08:03 PM

Related issues

Related to OsmoBSC - Feature #5106: Watchdog that would try to un-BORKE BORKen timeslotsNewneels04/04/2021

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