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SubjectRe: [PATCH] was: [RFC] removal of sync in panic
On Thu, Jul 15, 2004 at 06:58:54AM +0200, Christian Borntraeger wrote:
> I have seen panic failing two times lately on an SMP system. The box
> panic'ed but was running happily on the other cpus. The culprit of this
> failure is the fact, that these panics have been caused by a block device
> or a filesystem (e.g. using errors=panic). In these cases the likelihood
> of a failure/hang of sys_sync() is high. This is exactly what happened in
> both cases I have seen. Meanwhile the other cpus are happily continuing
> destroying data as the kernel has a severe problem but its not aware of
> that as smp_send_stop happens after sys_sync.

I've seen SMP boxen run interrupt handlers for ages after panicking,
but I never thought much of it.

-- wli
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