[GE users] Nodes dying with "Kernel panic" after upgrade to 6.1u2

Reuti reuti at staff.uni-marburg.de
Fri Aug 31 12:23:32 BST 2007


Hi,

Am 31.08.2007 um 12:24 schrieb Schenker, Martin:

> Yesterday we upgraded to 6.1u2 from 6.1. Shortly thereafter nodes
> started to die with "Kernel panic" messages on the screen:
>
>
> CPU 0: Machine Check Exception:	4 Bank 4: b200000000070f0f
> TSC 4ab5ba5354b
> Kernel panic - not syncing: Machine check

this looks more like a) a kernel problem or b) a hardware problem.  
Any upgrades to the kernel besides the SGE upgrade - which Linux and  
kernel version are you using?

Is there anything in /var/log/mcelog?

-- Reuti


> _
>
> We've now rolled back to 6.1 and are still testing. No hang-ups so
> far... Has anyone seen a similar behaviour?
> We're running AMD64 Opterons (HP DL145) nodes with the
> sge-6.1-bin-lx24-amd64 code.
>
> Best, Martin
>
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