Re: hibernation hangs with ATA errors (lockup_detector bug)

[Tejun Heo]

Hello,

On 06/02/2010 09:43 PM, Frederic Weisbecker wrote:
> But I'm eventually surprised about this: stopping the cpu hotplug callbacks
> prevents some ATA resume callbacks to execute.
> 
> Does that mean some ata resume path are done from a cpu hotplug notifier?
> That looks weird.

libata itself doesn't use any cpu hotplug notifier.  It just uses
suspend and resume callbacks.  It looks like somehow IRQ delivery is
screwed up?

Thanks.

-- 
tejun
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