From owner-freebsd-current@FreeBSD.ORG  Mon Jan 26 09:25:48 2004
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Date: Mon, 26 Jan 2004 09:25:27 -0800 (PST)
From: Don Lewis <truckman@FreeBSD.org>
To: gbergling@0xfce3.net
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cc: freebsd-current@FreeBSD.org
Subject: Re: dev/sound/pcm/* patch testers wanted
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On 26 Jan, Gordon Bergling wrote:

> The "Danger!" message wasn't appeared, but I got the following on the
> console.
> 
> malloc() of "1024" with the following non-sleepable locks held:
> exclusive sleep mutex pcm0:play:0 (pcm play channel) r = 0 (0xc2be8a80)
> locked @
> /storage/os/src/freebsd-current/src/sys/dev/sound/pcm/buffer.c:195
> malloc() of "4096" with the following non-sleepable locks held:
> exclusive sleep mutex pcm0:play:0 (pcm play channel) r = 0 (0xc2be8a80)
> locked @
> /storage/os/src/freebsd-current/src/sys/dev/sound/pcm/buffer.c:195

A stack trace would be helpful so that we know where malloc() was being
called.  I've got a hunch, though.  What hardware specific driver are
you using?