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Cisco Bug: CSCuo94893 - Tracebacks observed @ cmts_bg_check_dsid_value after LCSO

Last Modified

Jan 29, 2017

Products (1)

  • Cisco uBR10000 Series Universal Broadband Routers

Known Affected Releases

12.2(33)SCH2

Description (partial)

Symptom:
With Hudson image "ubr10k5-k9p6u2-mz.122-33.2.14.SCH", after creating an RF-impairment with downstream resiliency and performing LC switchover, I am observing the following Tracebacks on the LC

ubr10kg4clc-lck8-mz.122-33.2.14.SCH.symbols.gz read in
Enter hex value: 2127984 21281A4 2511D40 2512380 24F67AC 24F733C 23BB550 23BC054 23BADC8 23BB19C 23BFA34 2805A10 27EA964 27EB138 
0x2127984:verrmsg(0x212781c)+0x168
0x21281A4:errmsg(0x21280e4)+0xc0
0x2511D40:cmts_bg_check_dsid_value(0x2511cd8)+0x68
0x2512380:cmts_bg_deallocate_unicast_dsid(0x25122ac)+0xd4
0x24F67AC:cmts_sf_remove_dsid(0x24f6528)+0x284
0x24F733C:cmts_rel_ds_service_flow_resources(0x24f72a8)+0x94
0x23BB550:cmts_release_cm_resources(0x23bb46c)+0xe4
0x23BC054:cmts_mark_cm_offline(0x23bb9e4)+0x670
0x23BADC8:cmts_delete_cm_entry(0x23bac28)+0x1a0
0x23BB19C:cmts_destroy_cm_entry(0x23bb154)+0x48
0x23BFA34:cmts_cleanup_all_cm(0x23bf780)+0x2b4
0x2805A10:cmts_hccp_become_standby(0x280579c)+0x274
0x27EA964:hccp_data_rcv_message(0x27ea52c)+0x438
0x27EB138:hccp_data_process(0x27eb0c4)+0x74

Conditions:
1 with config.cm has only one ds service flow. Or config.cm has more than one ds service flow but at least one service flow  with a  different attribute mask.
2 make CM w-online 
3 config dbg and resiliency make CM become p-online
4 do LC switchover command or do clear cable modem xx.xx.xx delete/reset command when modem in p-online.

this issue will happen

this issue only exist in SCH3 branch.
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