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Cisco Bug: CSCum49430 - SSI Sig 6 crash KVM-Only rcu_preempt_state detected stalls on CPUs/tasks

Last Modified

Jan 28, 2017

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

15.0(1) 16.0(1)

Description (partial)

Symptom:
QvPV-SI Sig 6 fault KVM-Only rcu_preempt_state detected stalls on CPUs/tasks

Conditions:
-- Signal 6 faults on QvPV-SI are seen when console logs generated at high rate are written to virtual serial console on KVM hypervisor.
-- High rate of these logs can result in CPU lock-up/heartbeat misses causing signal-6 faults.
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