[j-nsp] mx960 crashed

Graham Brown juniper-nsp at grahambrown.info
Wed Apr 4 13:54:30 EDT 2018


Hi Aaron,

Looks like you have a core file there, raise a TAC case and they’ll be able
to determine the root cause for you.

Also see if there is anything readable in
/dev/mapper/jvg_P-jlvmrootrw/var/crash/override_reboot_reason that may
point you to the root cause.

HTH,
Graham

On Thu, 5 Apr 2018 at 01:13, Aaron Gould <aaron1 at gvtc.com> wrote:

> Still in the process of turning up this new 5-node mx960 100 gig ring, and
> I
> went to the backup re console and went to login and saw this happen.
>
>
>
> Any idea why this happened and how do I tshoot cause ?
>
>
>
>
>
>
>
> FreeBSD/amd64 (mx960) (ttyu0)
>
>
>
> login: root
>
> Password:SysRq : Trigger a crash
>
> dmar: DRHD: handling fault status reg 2
>
> dmar: DMAR:[DMA Write] Request device [02:10.1] fault addr 151d9000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: DRHD: handling fault status reg 102
>
> dmar: DMAR:[DMA Write] Request device [02:10.1] fault addr 1540c000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: DRHD: handling fault status reg 202
>
> dmar: DMAR:[DMA Write] Request device [02:10.1] fault addr 152fc000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: DRHD: handling fault status reg 302
>
> dmar: DMAR:[DMA Write] Request device [06:0a.0] fault addr 1ed10d000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: DRHD: handling fault status reg 402
>
> dmar: DMAR:[DMA Read] Request device [06:0a.0] fault addr ad4a000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: INTR-REMAP: Request device [[05:00.1] fault index 40
>
> INTR-REMAP:[fault reason 34] Present field in the IRTE entry is clear
>
> dmar: DRHD: handling fault status reg 602
>
> dmar: DMAR:[DMA Read] Request device [06:0a.0] fault addr ad4a000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
> dmar: DRHD: handling fault status reg 702
>
> dmar: DMAR:[DMA Read] Request device [06:0a.0] fault addr ad4a000
>
> DMAR:[fault reason 01] Present bit in root entry is clear
>
>   4 logical volume(s) in volume group "jvg_S" now active
>
>   4 logical volume(s) in volume group "jvg_P" now active
>
> Override SW Exception reboot reason saved to
> /dev/mapper/jvg_P-jlvmrootrw/var/crash/override_reboot_reason
>
> Compressed level 31 vmhost kernel core will be dumped to jvg_P-jlvmrootrw.
>
> Please use crash utility to analyze the core
>
> Copying data                       : [ 13 %]
>
> .
>
> .
>
> .
>
> Copying data                       : [100 %]
>
>
>
> The dumpfile is saved to vmcore-0-compressed-201804041305.
>
>
>
> makedumpfile Completed.
>
>
>
>
>
> (many more boot messages seen)
>
>
>
>
>
> -Aaron
>
> _______________________________________________
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>
-- 
-sent from my iPhone; please excuse spelling, grammar and brevity-


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