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SubjectRe: NFS oops in 2.6.26rc4
On Fri, May 30, 2008 at 03:37:01PM -0400, Chuck Lever wrote:

> > Something else of note which I hadn't seen before, usually things lock
> > up just after that first oops. For some reason, today it survived
> > a little longer, but things really went downhill fast.
> > It survived a 'dmesg ; scp dmesg davej@gelk', and then wedged solid.
> > So as well as the oops, it seems we're corrupting memory too.
> > For reference, this kernel has both SLUB_DEBUG and PAGEALLOC_DEBUG
> > enabled.
>
> I haven't seen this kind of problem here with .26, but yes, it does
> look like something is clobbering memory during an NFS mount.
>
> I introduced some NFS mount parsing changes in this commit range:
>
> 2d767432..82d101d5
>
> A quick bisect should show which, if any of these, is the guilty
> party. If any of these are the problem, I suspect it's 3f8400d1.

I didn't get time to try this out yet (hopefully tomorrow).
In the meantime, we've just gotten word of another user seeing memory
corruption with nfs - https://bugzilla.redhat.com/show_bug.cgi?id=449958

Dave

--
http://www.codemonkey.org.uk


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