Re: [PATCH] was: [RFC] removal of sync in panic

[William Lee Irwin III]

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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