On Fri, Oct 8, 2010 at 2:10 PM, Bruno Randolf <b...@einfach.org> wrote:
> On Fri October 8 2010 13:05:51 Ben Greear wrote:
>> On 10/07/2010 08:12 PM, Jonathan Guerin wrote:
>> > On Thu, Oct 7, 2010 at 4:22 PM, Bruno Randolf<b...@einfach.org>  wrote:
>> >> On Thu October 7 2010 14:41:18 Jonathan Guerin wrote:
>> >>>> I seem to be getting a kernel panic when creating an IBSS with the
>> >>>> latest ath5k driver. I remember Bruno submitting patches recently
>> >>>> which modifies the behaviour of timestamps in ath5k, so I was
>> >>>> wondering if this was related.
>> >>
>> >> did i? ;) i don't remember that.
>> >>
>> >>> Correction, this is not when creating an IBSS, but when bringing up an
>> >>> interface in monitor-mode.
>> >>
>> >> hmm... i don't see that with current wireless-testing. how do you create
>> >> your monitor interface?
>> >
>> > iw dev wlan0 interface add mon0 type monitor
>> > ifconfig mon0 up
>> >
>> >> bruno
>> >
>> > I've just tried the latest wireless-testing build (2.6.36-rc7) on two
>> > different machines with different hardware configurations (but both
>> > with ath5k). I get the same kernel panic, repeatable every time I
>> > bring up a monitor mode interface (or not long after, as soon as it
>> > sees traffic).
>> >
>> > I reverted the kernels to 2.6.35 and this crash no longer happens. I'm
>> > not sure if this is related to the 'rx memory clobbering' post, so I
>> > haven't gone and tainted it. I'm happy to provide more data if
>> > necessary.
>>
>> The ath5k STA/AP virtualization patch went in as well.  Any chance you
>> could bisect to see what patch causes the problem?

I'm not familiar with doing it, but one of my colleagues is. I'll try
to apply just that one patch to the 2.6.35 branch and see if it still
occurs.

>
> and, not to forget the multi queue stuff. this opens up a few possibilites for
> HW races, etc... i have been running it here for month, though, but only on
> single CPU systems.

Both these systems are also single-core.

Thanks,

Jonathan

>
> bruno
>
>
_______________________________________________
ath5k-devel mailing list
ath5k-devel@lists.ath5k.org
https://lists.ath5k.org/mailman/listinfo/ath5k-devel

Reply via email to