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Date: Sun, 19 Oct 2003 16:01:27 -0700
From: Andrew Morton <akpm@osdl.org>
To: piotr@member.fsf.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [BUG] D-states in test8
Message-Id: <20031019160127.191a189a.akpm@osdl.org>
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Pedro Larroy <piotr@member.fsf.org> wrote:
>
> Process just started to get into D state, all subsequent ps got into D.
>  The first that got into D state was mplayer.

This might help.

--- 25/sound/core/pcm_native.c~pcm_native-deadlock-fix	2003-10-19 15:58:31.000000000 -0700
+++ 25-akpm/sound/core/pcm_native.c	2003-10-19 15:58:48.000000000 -0700
@@ -1982,9 +1982,9 @@ int snd_pcm_open(struct inode *inode, st
 		}
 	}
 	remove_wait_queue(&pcm->open_wait, &wait);
+	up(&pcm->open_mutex);
 	if (err < 0)
 		goto __error;
-	up(&pcm->open_mutex);
 	return err;
 
       __error:

_