Re: [PATCH] 2.6.xx: sata_mv: another critical fix

From: Linus Torvalds
Date: Tue Mar 21 2006 - 14:32:49 EST

On Tue, 21 Mar 2006, Sander wrote:
> The kernel is compiled for x86-64 and SMP (dual core opteron), so if I
> understand the NMI watchdog documentation correctly, it is automagically
> enabled.


In that case, the lockup is most probably really the PCI bus locking up
due to some device not answering. Not a whole lot of debugging help from
the kernel on things like that - you won't be able to get any information
out of the system without a hardware reset which also tends to clear all
memory ;(

> Is there anything else I can do to see some crash info?

Likely no. Not a lot to do but trying to figure out why the -mm tree works
for you (if I recall correctly) by checking which patch breaks things..

> I was not able to let 2.6.16-rc6-mm2 crash yet.
> I'll test 2.6.16-rc6-mm1 now.

Yup, narrowing down where exactly things go south is the way to do it.

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