Re: [bug, netconsole, SLUB] BUG skbuff_head_cache: Poison overwritten

Evgeniy Polyakov
2008-07-21T12:58:24Z

On Mon, Jul 21, 2008 at 01:55:55PM +0200, Ingo Molnar (mingo@elte.hu) wrote:
> > > I could try run tests with netconsole deactivated, if you think
> > > that's a worthwile line of probing this problem. (although that
> > > would make me do blind tests in essence - having kernel log output
> > > is really essential.)
> >
> > Let's try this way first. If system will continue to crash, we will
> > add some debug options in various pathes. Existing reports do not
> > contain enough information unfortunately, so we will not lose too
> > much.
>
> ok. I've turned off netconsole - 8 successful bootups in a row so far.
> The box is a slow booter/builder with an 8 kernels/hour test throughput,
> so if everything goes fine we should have meaningful results in about 10
> hours.
>
> ( there are other, faster testboxes in -tip testing with 33 kernels/hour
> build+boot throughput where we'd have to wait only 2 hours - but as
> per Murphy's law they dont trigger this bug ;-)

Since 2.6.25 there was only single change in netpoll.c:
f5184d267c1aedb9b7a8cc44e08ff6b8d382c3b5
Which looks innocent.

Is your driver e1000 or e1000e? Can you check different one?

--
Evgeniy Polyakov