Cisco Bug: CSCvt27674 - CBR8: standby SUP unable to activate when Primary fails
Sep 21, 2020
- Cisco cBR Series Converged Broadband Routers
Known Affected Releases
Symptom: When the active SUP crashes the standby SUP cannot take over, it will experience CPUHOG and finally will reload due to Watchdog timeout. Below logs might be found in the IOS crashinfo file on the standby SUP: %VOICE_HA-2-SWITCHOVER_IND: SWITCHOVER, from STANDBY_HOT to ACTIVE state. %SYS-3-CPUHOG: Task is running for (2446)msecs, more than (2000)msecs (47/47),process = RF Master Main Thread. ... <snip> ... %SYS-3-CPUHOG: Task is running for (25325)msecs, more than (2000)msecs (47/47),process = RF Master Main Thread. -Traceback= ..... IOSXE-WATCHDOG: Process = RF Master Main Thread %SCHED-0-WATCHDOG: Scheduler running for a long time, more than the maximum configured (120) secs. Conditions: Unknown at this moment. It is hard to identify the condition, but it is related to VDOC configuration, there is no this issue if this feature is not configured.
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Bug Details Include
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