From: Lubomir Rintel <lkundrak@v3.sk>
To: linux-kernel@vger.kernel.org
Cc: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.de>,
Lennart Poettering <mzjro@0pointer.net>,
stable@kernel.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH] Tell user that stream to be rewound is suspended
Date: Sun, 02 Aug 2009 18:32:57 +0200 [thread overview]
Message-ID: <1249230777.4890.6.camel@localhost.localdomain> (raw)
In-Reply-To: <1249229684-8292-1-git-send-email-lkundrak@v3.sk>
On Sun, 2009-08-02 at 18:14 +0200, Lubomir Rintel wrote:
> Return STRPIPE instead of EBADF when userspace attempts to rewind
> of forward a stream that was suspended in meanwhile, so that it
> can be recovered by snd_pcm_recover().
>
> This was causing Pulseaudio to unload the ALSA sink module under a race
> condition when it attempted to rewind the stream right after resume from
> suspend, before writing to the stream which would cause it to revive the
> stream otherwise. Tested to work with Pulseaudio patched to attempt to
> snd_pcm_recover() upon receiving an error from snd_pcm_rewind().
The userspace part is filed here:
http://www.pulseaudio.org/ticket/616
--
"Excuse all the blood" -- Dead
next prev parent reply other threads:[~2009-08-02 16:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-02 16:14 [PATCH] Tell user that stream to be rewound is suspended Lubomir Rintel
2009-08-02 16:32 ` Lubomir Rintel [this message]
2009-08-03 6:53 ` Takashi Iwai
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