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SubjectRe: linux-3.7.1: disable and reenable NMI watchdog => panic
On Sun, Jan 06, 2013 at 11:53:41PM +0600, Alexander E. Patrakov wrote:
> As illustrated by the screen photo [1] (sorry for bad quality),
> disabling and then reenabling the NMI watchdog panics the kernel
> (3.7.1). This is reproducible in qemu-kvm as well, but I could not get
> the nice panic message to pop up there (most of the time, the real
> machine just locks up, too). This bug is rather important, as
> laptop-mode-tools, by default, try to reenable this NMI watchdog when
> AC power appears, and this is how I caught the bug the first time.
>
> [1] http://postimage.org/image/mjjifj1ip/

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=3935e89505a1c3ab3f3b0c7ef0eae54124f48905

should fix it.

See also thread here: http://marc.info/?i=20130109120732.GA8016@liondog.tnic

HTH.

--
Regards/Gruss,
Boris.

Sent from a fat crate under my desk. Formatting is fine.
--


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