linux-kernel - Re: usb alsa oops in 2.6.28 in snd_mixer_oss_notify

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Message-ID: <20090111180020.GK26290@one.firstfloor.org>
Date:	Sun, 11 Jan 2009 19:00:20 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: usb alsa oops in 2.6.28 in snd_mixer_oss_notify_handler

On Sun, Jan 11, 2009 at 01:06:00PM +0100, Takashi Iwai wrote:
> At Fri, 9 Jan 2009 19:26:53 +0100,
> Andi Kleen wrote:
> > 
> > 
> > Just got this oops in ALSA with 2.6.28 when I pulled a usb 
> > sound device while something was writing to it.
> > It looks like it jumped to Nirvana through a bad function
> > pointer.
> 
> Bah, this is a die-hard bug.
> 
> What kind of apps and sound-subsystem were you running while it's
> disconnected?

Just mpg321 playing (that's also what crashed), nothing more (no sound server
or similar) 

The system has two sound outputs, one motherboard snd_hda and
a usb headset. The output was on the USB headset in this case
which I pulled out.

-Andi


-- 
ak@...ux.intel.com
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