Messages in this thread | | | Date | Thu, 03 Jun 2010 10:17:37 +0200 | From | Tejun Heo <> | Subject | Re: hibernation hangs with ATA errors (lockup_detector bug) |
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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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