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    SubjectRe: Corrupted files after suspend to disk
    Date
    On Thursday, February 16, 2012, Dave Jones wrote:
    > On Thu, Feb 16, 2012 at 11:52:27AM +0100, richard -rw- weinberger wrote:
    >
    > > >> >> Of course, please test the above separately. :-)
    > > >> >
    > > >> > Ok, I'll test this when I'm at home.
    > > >> >
    > > >> > BTW: dropping the caches helps, when some files seem corrupted.
    > > >> > Today /usr/bin/okular was broken.
    > > >> > After setting vm.drop_caches=1 it worked again.
    > > >>
    > > >> On Linux 2.6.38 I'm unable to reproduce the issue.
    > > >> Only 2.6.37 seems to be affected.
    > > >> So, I'm moving over to 2.6.38. :)
    > > >
    > > Bad news:
    > > I saw the issue on 3.x too but thought it's because my IdeaPad s10 is crap.
    > > Now with my shiny new Lenovo x121e I have the same issue! :-(
    > >
    > > OpenSUSE 12.1, kernel 3.2.7.
    > > After a few suspend2disk iterations random files are corrupted.
    > > But only cached files. A reboot solves the problem.
    >
    > FWIW, we've been seeing a number of hard to diagnose failures
    > with suspend to disk for the last few releases in Fedora.
    > Eric Sandeen has been chasing https://bugzilla.redhat.com/show_bug.cgi?id=744275
    > for a while, but there's no smoking gun that really explains what's
    > getting into these states. Further complicating things, is that it
    > doesn't seem to be 100% reproducable.

    I wonder if that's reproducible with the filesystems freezing patch I posted
    some time ago (it will need some rebasing to apply to the current mainline or
    3.2.y).

    I also thing that this problem discovered by Alan Stern may be involved:

    http://marc.info/?l=linux-pm&m=132940331030253&w=4

    Thanks,
    Rafael


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