Kernel 2.6.18-194.8.1.el5 crashing a lot?

Brandon Ooi brandono at
Mon Jul 19 19:39:14 CDT 2010

It's possible (unlikely but possible), that the memory in both is from
the same batch and is indeed bad. Perhaps before the reboot the bad
blocks  were in a wired but unused or not critically used section so
it won't cause a crash. I would boot into the old kernel on one of
them and see if the problem persists? if so, swap the memory and see
if it persists.


On Mon, Jul 19, 2010 at 5:29 PM, Wiley Sanders <wsanders at> wrote:
>> How did you decide that the problem isn't a failed memory module?
> 1) The Sun ran reliably for many months up until the kernel update.
> 2) Both X4100 and R510 are crashing regularly since the kernel upgrade
> was applied to both hosts on successive days.
> The Dell is actually halting with a "kernel panic - not syncing: nmi
> watchdog" on the console and has needed a power cycle each time it has
> crashed. So, I'm not ruling out hardware problems.
> -w
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