Re: Corrupted files after suspend to disk

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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.

	Dave

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