Re: 2.6.12-rc5-mm1 alsa oops

[Borislav Petkov]

On Thursday 26 May 2005 20:01, Lee Revell wrote:
> On Thu, 2005-05-26 at 19:44 +0200, Borislav Petkov wrote:
> > <snip>
> >
> > Andrew,
> >
> > similar oopses as the one I'm replying to all over the place. At it
> > happens m in snd_pcm_mmap_data_close(). Here's a stack trace:
>
> No one using ALSA CVS or any of the 1.0.9 release candidates ever
> reported this, but lots of -mm users are... does that help at all?  I
> suspect some upstream bug that ALSA just happens to trigger.
yeah,

this has to do with alsa indirectly. snd_pcm_mmap_data_close() accesses some 
vm_area_struct->vm_private_data and apparently there have been some 
optimizations to mmap code to avoid fragmentation of vma's so i think there's 
the problem. However, we'll need the smarter ones here :))

Regards,
Boris.
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