Re: LOR in PCM

From: Gordon Tetlow <gordont_at_gnf.org>
Date: Wed, 2 Apr 2003 15:16:06 -0800
I just wanted to apologize for my poor taste in the subject. It
wasn't really called for.

-gordon

On Wed, Apr 02, 2003 at 01:46:28PM -0800, Gordon Tetlow wrote:
> Just thought I would report it:
> 
> lock order reversal
>  1st 0xc61f5940 pcm0 (sound softc) _at_ /local/usr.src/sys/dev/sound/pci/cmi.c:520
>  2nd 0xc6209e80 pcm0:play:0 (pcm channel) _at_ /local/usr.src/sys/dev/sound/pcm/channel.c:440
> Stack backtrace:
> backtrace(c04e759f,c6209e80,c61a9b54,c06a2127,c06a21a5) at backtrace+0x17
> witness_lock(c6209e80,8,c06a21a5,1b8,c61a9b00) at witness_lock+0x692
> _mtx_lock_flags(c6209e80,0,c06a21a5,1b8,800000c1) at _mtx_lock_flags+0xb2
> chn_intr(c61a9b00,c,10000,208,c61f5a40) at chn_intr+0x2f
> cmi_intr(c61a9c00,0,c04e258e,217,c61a43c0) at cmi_intr+0xa6
> ithread_loop(c61fa980,df0f0d48,c04e23fe,314,c21c9390) at ithread_loop+0x16c
> fork_exit(c02e7dd0,c61fa980,df0f0d48) at fork_exit+0xc4
> fork_trampoline() at fork_trampoline+0x1a
> --- trap 0x1, eip = 0, esp = 0xdf0f0d7c, ebp = 0 ---
> 
> -gordon



Received on Wed Apr 02 2003 - 13:16:07 UTC

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