Re: BUG at mm/slab.c:2990 with 2.6.33-rc5-tuxonice

[Pekka Enberg]

Matt Mackall wrote:
> On Wed, 2010-01-27 at 07:39 +1100, Nigel Cunningham wrote:
> > Hi.
> >
> > Pedro Ribeiro wrote:
> > > Hi,
> > >
> > > I hit a bug at mm/slab.c:2990 with .33-rc5.
> > > Unfortunately nothing more is available than a screen picture with a
> > > crash dump, although it is a good one.
> > > The bug was hit almost at the end of a hibernation cycle with
> > > Tux-on-Ice, while saving memory contents to an encrypted swap
> > > partition.
> > >
> > > The image is here http://img264.imageshack.us/img264/9634/mmslab.jpg (150 kb)
> > >
> > > Hopefully it is of any use for you. Please let me know if you need any
> > > more info.
> > Looks to me to be completely unrelated to TuxOnIce - at least at a first
> > glance.
> >
> > Ccing the slab allocator maintainers listed in MAINTAINERS.
>
> Not sure if this will do us any good, it's the second oops.

Looks like slab corruption to me which is usually not a slab bug but 
caused by buggy callers. Is CONFIG_DEBUG_SLAB enabled?
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