Re: [linux-pm] Re: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume

David Greaves
2007-06-29T13:30:19Z

Rafael J. Wysocki wrote:
> On Friday, 29 June 2007 09:54, David Greaves wrote:
>> David Chinner wrote:
>>> On Fri, Jun 29, 2007 at 08:40:00AM +0100, David Greaves wrote:
>>>> What happens if a filesystem is frozen and I hibernate?
>>>> Will it be thawed when I resume?
>>> If you froze it yourself, then you'll have to thaw it yourself.
>> So hibernate will not attempt to re-freeze a frozen fs and, during resume, it
>> will only thaw filesystems that were frozen by the suspend?
>
> Right now it doesn't freeze (or thaw) any filesystems. It just sync()s them
> before creating the hibernation image.
Thanks. Yes I realise that :)
I wasn't clear, I should have said:
So hibernate should not attempt to re-freeze a frozen fs and, during resume, it
should only thaw filesystems that were frozen by the suspend.

> However, the fact that you've seen corruption with the XFS filesystems frozen
> before the hibernation indicates that the problem occurs on a lower level.
And that was why I chimed in - I don't think freezing fixes the problem (though
it may make sense for other reasons).

David