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    SubjectRe: [linux-lvm] 2.6.22-rc4 XFS fails after hibernate/resume
    David Greaves wrote:
    > David Robinson wrote:
    >> David Greaves wrote:
    >>> This isn't a regression.
    >>>
    >>> I was seeing these problems on 2.6.21 (but 22 was in -rc so I waited
    >>> to try it).
    >>> I tried 2.6.22-rc4 (with Tejun's patches) to see if it had improved -
    >>> no.
    >>>
    >>> Note this is a different (desktop) machine to that involved my recent
    >>> bugs.
    >>>
    >>> The machine will work for days (continually powered up) without a
    >>> problem and then exhibits a filesystem failure within minutes of a
    >>> resume.

    <snip>

    > OK, that gave me an idea.
    >
    > Freeze the filesystem
    > md5sum the lvm
    > hibernate
    > resume
    > md5sum the lvm
    <snip>
    > So the lvm and below looks OK...
    >
    > I'll see how it behaves now the filesystem has been frozen/thawed over
    > the hibernate...


    And it appears to behave well. (A few hours compile/clean cycling kernel builds
    on that filesystem were OK).


    Historically I've done:
    sync
    echo platform > /sys/power/disk
    echo disk > /sys/power/state
    # resume

    and had filesystem corruption (only on this machine, my other hibernating xfs
    machines don't have this problem)

    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)

    David
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