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SubjectRe: WARNING: at mm/slub.c:3357, kernel BUG at mm/slub.c:3413
On 2011.11.21 at 09:05 +0100, Markus Trippelsdorf wrote:
> On 2011.11.21 at 08:44 +0800, Alex,Shi wrote:
> > On Fri, 2011-11-18 at 20:02 +0800, Markus Trippelsdorf wrote:
> > > On 2011.11.18 at 09:54 +0100, Markus Trippelsdorf wrote:
> > > > On 2011.11.18 at 16:43 +0800, Alex,Shi wrote:
> > > > > > >
> > > > > > > The dirty flag comes from a bunch of unrelated xfs patches from Christoph, that
> > > > > > > I'm testing right now.
> > > > >
> > > > > Where is the xfs patchset? I am wondering if it is due to slub code.
> > >
> > > I begin to wonder if this might be the result of a compiler bug.
> > > The kernel in question was compiled with gcc version 4.7.0 20111117. And
> > > there was commit to the gcc repository today that looks suspicious:
> > > http://gcc.gnu.org/viewcvs?view=revision&revision=181466
> > >
> >
> > Tell us if it is still there and you can reproduce it.
>
> Hm, just noticed the "3.2.0-rc1 panic on PowerPC" thread:
> http://thread.gmane.org/gmane.linux.kernel/1215584
>
> The backtraces look suspiciously similar to mine.

So everything points to commit 87fb4b7b533:
"net: more accurate skb truesize"

Can you take a look Eric?

--
Markus


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