Re: Corrupted files after suspend to disk

Dave Jones
2012-02-16T16:30:31Z

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