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Cisco Bug: CSCup45866 - Persistent high rate of HW errors can trigger plog_sup process crash

Last Modified

May 11, 2021

Products (2)

  • CiscoPro Workgroup EtherSwitch Software
  • CiscoPro Workgroup EtherSwitch Software

Known Affected Releases


Description (partial)

Device will crash due to plog_sup HAP reset. Following logs will be seen in OBFL

%KERN-2-SYSTEM_MSG: [ 1012.114305] [sap 1016][pid 3201][comm:plog_sup] sap recovering failed and so Killed - kernel
%SYSMGR-2-SERVICE_CRASHED: Service "plog_sup" (PID 3201) hasn't caught signal 9 (no core).
%SYSMGR-2-HAP_FAILURE_SUP_RESET: System reset due to service "plog_sup" in vdc 1 has had a hap failure
%KERN-0-SYSTEM_MSG: [ 1020.936979]  writing reset reason 16, plog_sup hap reset - kernel

If the parity interrupts are in  ECC Protected SRAM, the interrupts  should be persistent even after a reload. If not refer CSCus74195
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