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Date: Thu, 30 Nov 2006 23:16:27 -0800
From: Andrew Morton <akpm@osdl.org>
To: Mike Mattie <codermattie@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: PROBLEM: snd-usb-audio (I think) hangs apps ( audacious media
 player )  in 'D' state, linux = 2.6.18.3
Message-Id: <20061130231627.d1df7c58.akpm@osdl.org>
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On Thu, 30 Nov 2006 22:21:45 -0800
Mike Mattie <codermattie@gmail.com> wrote:

> I use a soundblaster audigy 2 NX external sound card in USB 2.0 high
> speed mode. 
> 
> Until 2.6.18 pausing the player would instantly 'D' state
> audacious, requiring a re-boot. I thought it went away in 2.6.18 but
> it recently hung again when the system was under heavy load. This
> most recent hang occured while playing for the first
> time, and produced a 'Zl' state in audacious instead of a D state.

Next time it happens please do

	echo t > /proc/sysrq-trigger
	dmesg -s 1000000 > foo

and send foo.