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Cisco Bug: CSCvt15394 - SSH watchdog crash with preempted process = (<Null>) preempted_process_epc = preemption_forced_...

Last Modified

Jun 18, 2020

Products (1)

  • Cisco IOS

Known Affected Releases

15.2(7)E

Description (partial)

Symptom:
router may unexpectedly crash with SSH watchdog timeout after syslog showing repeating tracebacks

001599: Feb  5 16:19:37.119 PST: %SCHED-5-INT_DISABLED_BEFORE_PREEMPTION: Detected interrupts being disabled in preemption handler. schedflag = (0)  forkx = (SSH Process)  preempted process = (<Null>) preempted_process_epc = (0x0) preemption_forced_suspend_level = (1) current interrupt level = (0)  getinterruptindex() = (0) onintstack() = (FALSE) 
-Traceback= 83476Cz 4019EFCz 401A138z 3759B50z 3043D6Cz 3043E30z 2F60E50z 2F60FACz 2F610F4z 2F616ACz 775264z 2DAE7C0z 2D9FCA4z 4022BDCz 401E8CCz
001600: Feb  5 16:19:37.119 PST: %SCHED-5-INT_DISABLED_BEFORE_PREEMPTION: Detected interrupts being disabled in preemption handler. schedflag = (0)  forkx = (SSH Process)  preempted process = (<Null>) preempted_process_epc = (0x0) preemption_forced_suspend_level = (1) current interrupt level = (0)  getinterruptindex() = (0) onintstack() = (FALSE) 
-Traceback= 83476Cz 4019EFCz 401A138z 3759B50z 3043D6Cz 3043E30z 2F60E50z 2F60FACz 2F610F4z 2F616ACz 775264z 2DAE7C0z 2D9FCA4z 4022BDCz 401E8CCz
001601: Feb  5 16:19:37.119 PST: %SCHED-5-INT_DISABLED_BEFORE_PREEMPTION: Detected interrupts being disabled in preemption handler. schedflag = (0)  forkx = (SSH Process)  preempted process = (<Null>) preempted_process_epc = (0x0) preemption_forced_suspend_level = (1) current interrupt level = (0)  getinterruptindex() = (0) onintstack() = (FALSE) 
-Traceback= 83476Cz 4019EFCz 401A138z 3759B50z 3043D6Cz 3043E30z 2F60E50z 2F60FACz 2F610F4z 2F616ACz 775264z 2DAE7C0z 2D9FCA4z 4022BDCz 401E8CCz
001602: Feb  5 16:19:37.119 PST: %SCHED-5-INT_DISABLED_BEFORE_PREEMPTION: Detected interrupts being disabled in preemption handler. schedflag = (0)  forkx = (SSH Process)  preempted process = (<Null>) preempted_process_epc = (0x0) preemption_forced_suspend_level = (1) current interrupt level = (0)  getinterruptindex() = (0) onintstack() = (FALSE) 
-Traceback= 83476Cz 4019EFCz 401A138z 3759B50z 3043D6Cz 3043E30z 2F60E50z 2F60FACz 2F610F4z 2F616ACz 775264z 2DAE7C0z 2D9FCA4z 4022BDCz 401E8CCz

Conditions:
SSH
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