linux-kernel - Re: 2.6.36: Sound stop working

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Message-ID: <AANLkTi=-2U3PXeUEXzGDdXti_j5yGbfG3yci909MKEHX@mail.gmail.com>
Date:	Thu, 12 Aug 2010 14:18:54 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Jiri Slaby <jirislaby@...il.com>, Eric Paris <eparis@...hat.com>
Cc:	Takashi Iwai <tiwai@...e.de>, Pekka Enberg <penberg@...nel.org>,
	Thomas Meyer <thomas@...3r.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.36: Sound stop working

Eric needs to be cc'd.. Sorry for the extra quoting.

                      Linus
---
On Thu, Aug 12, 2010 at 2:01 PM, Jiri Slaby <jirislaby@...il.com> wrote:
> On 08/12/2010 10:26 PM, Takashi Iwai wrote:
>> At Thu, 12 Aug 2010 23:10:15 +0300,
>> Pekka Enberg wrote:
>>>
>>> On Thu, Aug 12, 2010 at 11:00 PM, Thomas Meyer <thomas@...3r.de> wrote:
>>>> My sound card stop to work since a few commits. I tried to bisect it and ended up with this:
>>>>
>>>> There are only 'skip'ped commits left to test.
>>>> The first bad commit could be any of:
>>>> 3bcf3860a4ff9bbc522820b4b765e65e4deceb3e
>>>> c1e5c954020e123d30b4abf4038ce501861bcf9f
>>>> We cannot bisect more!
>>>>
>>>> any ideas what to do now?
>>>
>>> Takashi, maybe this is related to Linus' problem?
>>
>> Yeah, I guess so, since I couldn't see any obvious problem in sound/*.
>>
>> PulseAudio uses inotify in udev-detection module, at least.
>> It's possible that inotify change may hit the sound in the end.
>
> Probably I got into this problem yesterday. Found out that PA fails to
> open /dev/snd/pcmC0D0p _second_ time. It opens it, then closes, then
> opens it again and gets EBUSY. aplay is OK.
>
> (If this is the same issue.)
>
> --
> js
>
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