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Cisco Bug: CSCuj97610 - WLC Crash due to spam lock in 7.4.110.0

Last Modified

Jun 14, 2019

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

7.4(110.0)

Description (partial)

Symptom:
WLC Crash with Task Name: SNMPTask on 7.4.110.0

Conditions:
************************************************************
*             Start Cisco Crash Handler Serv               *
************************************************************
Sys Name:           WLC-Campus-11
Model:                 AIR-CT5508-K9
Version:               7.4.110.0
Timestamp:        Mon Oct 21 14:27:09 2013
SystemUpTime:                3 days 20 hrs 50 mins 10 secs
pid:        1372
TID:        856933200
Task Name:        SNMPTask
Reason:                Reaper Reset
timer tcb:            0x835
timer cb:              0x101da5d0 ('mldSnoopingChanged+464')
timer arg1:          0x0
timer arg2:          0x0

Long time taken timer call back inforamtion:
Time Stamp:      Mon Oct 21 14:20:12 2013
timer cb:              0x11016e38 ('sisf_cleanup_timer_memory+32')
Duration  : 550135 usecs, cbCount= 2

------------------------------------------------------------
Analysis of Failure:

  Software was stopped by the reaper for the following reason:
     Reaper Reset: Task "SNMPTask" missed software watchdog


------------------------------------------------------------
System Stack

Frame 0: 0x100081f0 sighup_handler+116
Frame 1: 0x3313ac90 license_xos_thread_create+557017104
Frame 2: 0x12025c4c license_xos_thread_create+2234316
Frame 3: 0x12022704 license_xos_thread_create+2220676
Frame 4: 0x10af9918 osapiMutexTake+928
Frame 5: 0x102e6264 spamGetLCBFromMacTemp+524
Frame 6: 0x102ff174 spamGetNextLrad+332
Frame 7: 0x10614f60 rrm80211PersistentDeviceGetNextInt+432
Frame 8: 0x10dabcc4 usmDbRrmPersistentDeviceGetNext+88
Frame 9: 0x117f8ed0 usmDbRrmPersistentDeviceChanEntryGetNext+464
Frame 10: 0x117f9198 k_cLSiPersistentDeviceChanEntry_get+592
Frame 11: 0x1174931c cLSiPersistentDeviceChanEntry_get+364
Frame 12: 0x1166e324 GetNextObjectInstance+444
Frame 13: 0x11671964 do_response+1204
Frame 14: 0x11661174 SrDoSnmp+5252
Frame 15: 0x112c361c SrDoMgmt+276
Frame 16: 0x112c267c snmpd_main+2836
Frame 17: 0x1130bea4 L7_snmp_task+68
Frame 18: 0x10b07938 osapiTaskAppKeySelfSet+304
Frame 19: 0x12020250 license_xos_thread_create+2211280
Frame 20: 0x12080bfc license_xos_thread_create+2606972
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