Re: BUG in free_block (tainted)

[Simon Arlott]

On 18/08/08 22:37, Pekka Enberg wrote:
> Hi Simon,
>
> On Tue, Aug 19, 2008 at 12:28 AM, Simon Arlott <simon@xxxxxxxxxxx> wrote:
> > http://img169.imageshack.us/img169/1170/1005548cp9.jpg
> >
> > 2.6.27-rc3 09873-gb08c7f5
> >
> > (Tainted with fglrx, but X hadn't been run...)
>
> Looks like SLAB corruption so fglrx could have caused this even if you
> just loaded the module. Do you have CONFIG_DEBUG_SLAB enabled? If not,
> you might want to try to reproduce this with it. Of course,
> reproducing the oops without fglrx would be most helpful. :-)

In that case please disregard this completely. It's not yet happened again.

fglrx completely breaks slab in fantastic ways... I could show you my 
/proc/slabinfo... the start of it is badly corrupted - but only if X 
has been started (attached).

I might try enabling CONFIG_DEBUG_SLAB, perhaps it can detect that bug...

--
Simon Arlott

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