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SubjectRe: [linux-lvm] 2.6.22-rc5 XFS fails after hibernate/resume
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On Tuesday, 19 June 2007 11:24, David Greaves wrote:
> David Greaves wrote:
> > I'm going to have to do some more testing...
> done
>
>
> > David Chinner wrote:
> >> On Mon, Jun 18, 2007 at 08:49:34AM +0100, David Greaves wrote:
> >>> David Greaves wrote:
> >>> So doing:
> >>> xfs_freeze -f /scratch
> >>> sync
> >>> echo platform > /sys/power/disk
> >>> echo disk > /sys/power/state
> >>> # resume
> >>> xfs_freeze -u /scratch
> >>>
> >>> Works (for now - more usage testing tonight)
> >>
> >> Verrry interesting.
> > Good :)
> Now, not so good :)
>
>
> >> What you were seeing was an XFS shutdown occurring because the free space
> >> btree was corrupted. IOWs, the process of suspend/resume has resulted
> >> in either bad data being written to disk, the correct data not being
> >> written to disk or the cached block being corrupted in memory.
> > That's the kind of thing I was suspecting, yes.
> >
> >> If you run xfs_check on the filesystem after it has shut down after a
> >> resume,
> >> can you tell us if it reports on-disk corruption? Note: do not run
> >> xfs_repair
> >> to check this - it does not check the free space btrees; instead it
> >> simply
> >> rebuilds them from scratch. If xfs_check reports an error, then run
> >> xfs_repair
> >> to fix it up.
> > OK, I can try this tonight...
>
>
> This is on 2.6.22-rc5

Is the Tejun's patch

http://www.sisk.pl/kernel/hibernation_and_suspend/2.6.22-rc5/patches/30-block-always-requeue-nonfs-requests-at-the-front.patch

applied on top of that?

Rafael


--
"Premature optimization is the root of all evil." - Donald Knuth
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