Cisco Bug: CSCte50870 - CPU hog due to SERIAL A'detect causes crash
Jan 24, 2017
Known Affected Releases
Symptoms: A Cisco AS5400 crashes due to a watchdog timeout. CPU hogs due to the "SERIAL A'detect" process are seen before the reload: %SYS-3-CPUHOG: Task is running for (36000)msecs, more than (2000)msecs (36/6),process = SERIAL A'detect. After some time the device crashes: %SYS-2-WATCHDOG: Process aborted on watchdog timeout, process = SERIAL A'detect. Conditions: The symptom is seen on a Cisco AS5400 that is running Cisco IOS Release 12.4(24)T2. The serial interfaces of the device are configured with "autodetect encapsulation xxx" and router system clock has been updated: %SYS-6-CLOCKUPDATE: System clock has been updated from 10:42:09 UTC Wed May 19 2010 to 11:42:09 MET Wed May 19 2010, configured from console by console. %SYS-6-CLOCKUPDATE: System clock has been updated from 11:42:09 MET Wed May 19 2010 to 12:42:09 MET-DST Wed May 19 2010, configured from console by console.
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