Subject: Re: kern/32473: GUS PnP audio device seem to be broken in NetBSD
To: Ben Collver <collver@peak.org>
From: Mike M. Volokhov <mishka@intostroy.com>
List: tech-kern
Date: 04/14/2006 10:25:01
On Thu, 13 Apr 2006 20:04:24 -0700 Ben Collver wrote:
[snip]
> I reproduced the problem in NetBSD 2.0, and the backtrace looks pretty
> much the same as the 3.0 backtrace.
Oh, thank you very much for testing this!
> Since this release pre-dates Tamura
> Kent's changes, I am guessing he is not responsible for the problem.
Yes, it is. We have also built the kernels just before and after
kent-audio1 merging and problem was obscured on both too. So mentioned
changes definitively not related here.
> The error message I get is:
>
> isa0: dma start on free channel 5
> panic: _isa_dmastart
> Stopped in pid 526.1 (audioplay) at netbsd:cpu_Debugger+0x4: leave
> db>
So we should investigate it in usual way :-) Could you support my very
limited kernel knowledge by recompiling kernel with following options
and posting resulting kernel messages, panic output, and backtrace here:
options DIAGNOSTIC
options DEBUG
options ISADMA_DEBUG
options DEBUG_ISAPNP
options AUDIO_DEBUG
options GUSPLAYDEBUG
Thanks in advance.
--
Mishka.
P.S. I've asked to add this PR to the 4.0 showstoppers list.
P.P.S. Any help from competent people would be appreciated :-)