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CHW-1873: AFF A900, ASA A900 or FAS9500 reboots abnormally without reboot string or error messages

  1. Last updated
    Mar 21, 2025
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hw
Last Updated:
3/21/2025, 3:59:45 PM

Issue

An AFF A900, ASA A900 or FAS9500 system experiences an abnormal reboot without an error message.
The HA partner node initiates a takeover and the below events are reported:
BMC system event log:
Record 2258: . [IPMI.notice]: 06b3 | 02 | EVT: ef03ffff | PCM_Status | Deassertion Event, "Power Good"
Record 2259: . [IPMI.notice]: 06b4 | 02 | EVT: 0150aeff | Bat_Curr | Assertion Event, "Lower Non-critical going low " | Reading:-4.100 | Threshold:-0.050
Record 2260: . [IPMI.notice]: 06b5 | 02 | EVT: 0152aefe | Bat_Curr | Assertion Event, "Lower Critical going low " | Reading:-4.100 | Threshold:-0.100
.
Record 2266: . [IPMI.notice]: 06bb | 02 | EVT: 6f02ffff | PCM_Status | Assertion Event, "Fault"
Record 2268: . [IPMI.notice]: 06bd | 02 | EVT: 815200fe | Bat_Curr | Deassertion Event, "Lower Critical going low " | Reading: 0.000 | Threshold:-0.100
Record 2269: . [IPMI.notice]: 06be | 02 | EVT: 815000ff | Bat_Curr | Deassertion Event, "Lower Non-critical going low " | Reading: 0.000 | Threshold:-0.050
.
Record 2275: . [BMC.critical]: Filer Reboots <<<<<< System reboot captured by BMC
SFPGA Events Log:

Sep 15 01:53:36 BMCxxxx root: eventfifod 47586.00981(n ): 171(0xc0ab) : CPU Catastrophic Error asserted
Sep 15 01:53:36 BMCxxxx root: eventfifod 47586.00981(o): 171(0x90ab) : CPU Catastrophic Error de-asserted
Sep 15 01:53:36 BMCxxxx root: eventfifod 47659.00887(n ): 17(0xc011) : PCH Platform reset asserted
Sep 15 01:53:36 BMCxxxx root: eventfifod 47659.00887(s): 22(0xe016) : LPC Bus reset asserted
Sep 15 01:53:36 BMCxxxx root: eventfifod 47659.00887(s): 23(0xe017) : TPM Reset asserted
Sep 15 01:53:37 BMCxxxx root: eventfifod 47659.00887(s): 24(0xe018) : NIC0 Reset asserted
Sep 15 01:53:37 BMCxxxx root: eventfifod 47659.00887(s): 25(0xe019) : NIC1 Reset asserted
Sep 15 01:53:37 BMCxxxx root: eventfifod 47659.00887(s): 27(0xe01b) : NVME reset asserted
Issue is due to a Catastrophic Error condition observed in one of the CPUs.

 

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