Re: [BUG] wireless : cpu stuck for 61s

Pekka Enberg
2008-07-31T09:53:09Z

On Thu, 2008-07-31 at 12:50 +0300, Tomas Winkler wrote:
> > There's ath5k in the stack trace but that, of course, doesn't
> > automatically mean it's at fault here. It could have been just the poor
> > bastard who was the next to allocate 4 KB with kmalloc() noticing the
> > corruption.
> >
> > Hope this helps!
>
> I've seen something similar with fragmentation code in iwl4965 but I
> can reproduce it only when using SLAB. With SLUB it didn't shown up.
> Does anyone know what is difference between SLAB and SLUB in this context.?

Do you have CONFIG_SLUB_DEBUG_ON enabled? (Note: if you only have
CONFIG_SLUB_DEBUG enabled, then you need to enable debugging at run-time
by passing slub_debug to kernel command line.)