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

Tomas Winkler
2008-07-31T10:29:13Z

On Thu, Jul 31, 2008 at 12:53 PM, Pekka Enberg <penberg@cs.helsinki.fi> wrote:
> 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.)

Yes sure I've done that with slub_debug=FZPU
Tomas