From: Borislav Petkov <petkov@uni-muenster.de>
To: "Chen, Kenneth W" <kenneth.w.chen@intel.com>
Cc: "'Andrew Morton'" <akpm@osdl.org>,
"Wolfgang Wander" <wwc@rentec.com>,
rlrevell@joe-job.com, pharon@gmail.com,
linux-kernel@vger.kernel.org, alsa-devel@lists.sourceforge.net
Subject: Re: 2.6.12-rc5-mm1 alsa oops
Date: Sat, 28 May 2005 11:10:26 +0200 [thread overview]
Message-ID: <200505281110.26790.petkov@uni-muenster.de> (raw)
In-Reply-To: <200505271642.j4RGgbg03476@unix-os.sc.intel.com>
On Friday 27 May 2005 18:42, Chen, Kenneth W wrote:
> Andrew Morton wrote on Thursday, May 26, 2005 2:25 PM
>
> > > >>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 :))
> > > >
> > > > Any idea which patches to back out?
> > >
> > > avoiding-mmap-fragmentation-fix-2.patch
> > >
> > > seems to do the trick. Ken will likely have a fix-3 shortly ;-)
> >
> > Yup. This appears to be not-an-alsa-bug. Thanks.
>
> I'm the guilty one here. avoiding-mmap-fragmentation-fix-2.patch has
> a major clash using vm_private_data where alsa is also using. I just
> posted a patch, please try that out. Thanks.
>
> http://marc.theaimsgroup.com/?l=linux-mm&m=111721191501940&w=2
this one seems to be fine. Lightly tested for several hours yesterday.
Regards,
Boris.
next prev parent reply other threads:[~2005-05-28 9:10 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-26 7:32 2.6.12-rc5-mm1 alsa oops Islam Amer
2005-05-26 17:44 ` Borislav Petkov
2005-05-26 18:01 ` Lee Revell
2005-05-26 18:12 ` Borislav Petkov
2005-05-26 18:32 ` Lee Revell
2005-05-26 18:35 ` Wolfgang Wander
2005-05-26 18:59 ` Lawrence Walton
2005-05-26 21:24 ` Andrew Morton
2005-05-27 16:42 ` Chen, Kenneth W
2005-05-28 9:10 ` Borislav Petkov [this message]
[not found] ` <4296100F.2090202@rentec.com>
2005-05-26 18:33 ` Islam Amer
-- strict thread matches above, loose matches on Subject: below --
2005-05-26 18:42 Colin Harrison
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