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Cisco Bug: CSCvv27864 - WLC unexpected reload on task name emWeb

Last Modified

Sep 18, 2020

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases

8.10(122.0)

Description (partial)

Symptom:
WLC crashes on task name emWeb

Sys Name:       WLC1
Model:          AIR-CT5520-K9
Version:        8.10.122.0
Timestamp:      Tue Jul 21 01:17:05 2020
SystemUpTime:   9 days 23 hrs 28 mins 31 secs
signal:         11
pid:            1876
TID:            -124549376
Task Name:      emWeb
Reason:         System Crash
si_signo:       11
si_errno:       0
si_code:        1
si_addr:        0x22c1fac8
MON(R)  Tick:   86110 2020-07-20 21:16:12.239098
MON(R)  ExitTick:       86090
MON(RW) Tick:   28719 2020-07-20 21:16:18.335094
MON(R)  Trigger:        3
MON(R)  State:          1

Long time taken timer call back information:
Time Stamp:     Mon Jul 20 22:09:52 2020
timer cb  :     0x911daeffa0('Unknown')
Duration  : 29450 usecs, cbCount= 8
Timer Current Time  :849895     secs

Conditions:
Crashes when test dsdump mscb cli is executed and there are exactly 50 events logged for the client.
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