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SubjectRe: [linux-pm] Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
David Chinner wrote:
> On Fri, Jun 29, 2007 at 12:16:44AM +0200, Rafael J. Wysocki wrote:
>> There are two solutions possible, IMO. One would be to make these workqueues
>> freezable, which is possible, but hacky and Oleg didn't like that very much.
>> The second would be to freeze XFS from within the hibernation code path,
>> using freeze_bdev().
>
> The second is much more likely to work reliably. If freezing the
> filesystem leaves something in an inconsistent state, then it's
> something I can reproduce and debug without needing to
> suspend/resume.
>
> FWIW, don't forget you need to thaw the filesystem on resume.

I've been a little distracted recently - sorry. I'll re-read the thread and see
if there are any test actions I need to complete.

I do know that the corruption problems I've been having:
a) only happen after hibernate/resume
b) only ever happen on one of 2 XFS filesystems
c) happen even when the script does xfs_freeze;sync;hibernate;xfs_thaw

What happens if a filesystem is frozen and I hibernate?
Will it be thawed when I resume?

David

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