Data bus error

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  • Updated 2 weeks ago
Hello, all!

Help please - is below issue HW (RMA) or SW?

System Type:      X460G2-24x-10G4
X460 had EXOS 16.1.3.6
Appear unexpected reboot:
09/18/2018 22:31:26.73 <Warn:EPM.UnexpctRebootDtect> Booting after System Failure.
09/18/2018 22:30:32.41 <Crit:Kern.Alert> Data bus error, epc == ffffffff801324d0, ra == ffffffff80130e70, DPA=0x0

09/07/2018 10:51:48.57 <Erro:Kern.Error> hub 1-0:1.0: unable to enumerate USB device on port 1
09/07/2018 08:36:29.05 <Warn:EPM.UnexpctRebootDtect> Booting after System Failure.
09/07/2018 08:35:20.77 <Crit:Kern.Alert> Data bus error, epc == ffffffff801324d0, ra == ffffffff80130e70, DPA=0x0

->show debug system-dump
===============================================
    Switch system dump information
===============================================
core_dump_info storage: 8/5120 used [EMPTY]
failure: kernel oops
reason: Oops
time: Tue Sep 18 22:30:25 2018
...
log: ... Data bus error, epc == ffffffff801324d0, ra == ffffffff80130e70, DPA=0x0
log: <6>Dumping ftrace buffer:
log: <6>   (ftrace buffer empty)


After upgrade to EXOS 21.1.5.2 switch rebooted again (but without "Data bus error" logs)
10/09/2018 09:42:54.72 <Warn:EPM.UnexpctRebootDtect> Booting after System Failure.
10/09/2018 05:12:22.18 <Warn:EPM.UnexpctRebootDtect> Booting after System Failure.

Thank you!
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Alexandr P, Embassador

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Posted 2 weeks ago

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Photo of Necheporenko, Nikolay

Necheporenko, Nikolay, Employee

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Hello Alexandr,

Have you checked hardware conditions with CLI command  "run diag extended"?

Best Regards,
Nikolay