Symptom
Nexus9k# sh system reset-reason
----- reset reason for module 1 (from Supervisor in slot 1) ---
1) At 843766 usecs after Sat Oct 21 21:46:41 2017
Reason: Watchdog Timeout
Service:
Version: 7.0(3)I4(5)
`show logging onboard module 1 stack-trace`
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STACK TRACE GENERATED AT Sat Oct 21 21:46:50 2017 GMT
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Panic#1 Part1
[5478218.930375] ipfib-16042 2dNh. 5478218901070us : sched_wakeup: comm=bfdc pid=16028 prio=79 success=1 target_cpu=002
[5478218.930805] hsrp_eng-14972 1dNs. 5478218911029us : sched_migrate_task: comm=pfstat pid=14883 prio=120 orig_cpu=2 dest_cpu=1
[5478218.930812] hsrp_eng-14972 1dNs. 5478218911030us : sched_stat_sleep: comm=pfstat pid=14883 delay=1151696079 [ns]
[5478218.930819] hsrp_eng-14972 1dNs. 5478218911031us : sched_wakeup: comm=pfstat pid=14883 prio=120 success=1 target_cpu=001
[5478219.011340] [1508622401] CCTRL PANIC DUMP
[5478219.345725] [1508622402] Kernel panic - not syncing: WATCHOG HIT
[5478219.619884] [1508622402] [] panic+0x11e/0x240
[5478220.850488] [1508622403] [] ? cpumask_any_but+0x31/0x40
[5478222.243081] CPU0 CPU1 CPU2 CPU3 intrs/last_sec max_intrs/sec
[5478222.243278] 60: 1 1302349737 0 0 45 13053 PCI-MSI-edge linux-kernel-bde <<<< interrupts
Conditions
High amount of interrupts are being sent to one of the switch's CPUs
