snd-nm256 crash

snd-nm256 crash

[Russell Neches]

Hey there --

I'm trying to get my laptop working with ALSA, but, sadly, my laptop
contains the lamentable NeoMagic 256AV chip. With ALSA 0.9.0beta12,
loading snd-nm256 causes the machine to lock up so tight that the soft
power switch stops working. 

I presume that if the module is included with ALSA that it has at
least "been known to work." I've tried 2.4.18 and 2.4.19 (both regular
old generic unpatched source tarballs from kernel.org), with identical
results. 

I'm converting all my various Linux boxen to ALSA, but this has been
the only one that's up and crashed. I'm new to the ALSA codebase, so
I'm not sure where to start. At the very least, I'd like to submit a
coherent bug report. Would anyone mind helping me understand what is
(and isn't) broken?

Thanks!

Russell





-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf

Re: snd-nm256 crash

[Takashi Iwai]

At 11 Aug 2002 22:08:53 -0400,
Russell Neches wrote:
> 
> I'm trying to get my laptop working with ALSA, but, sadly, my laptop
> contains the lamentable NeoMagic 256AV chip. With ALSA 0.9.0beta12,
> loading snd-nm256 causes the machine to lock up so tight that the soft
> power switch stops working. 
 
nm256 driver is fairly unstable.
i've checked the code and found that ac97 initialization causes
the problem.  the reason is mysterious and the fix is difficult, since
we have no information about this chipset at all.

anyway, the current cvs version is more stable (but not perfect).
it would be appreciated if you can help debugging, too.


Takashi


-------------------------------------------------------
This sf.net email is sponsored by:ThinkGeek
Welcome to geek heaven.
http://thinkgeek.com/sf

Re: snd-nm256 crash

[Russell Neches]

I'd be glad to help, but until I get more familiar with the code base,
I'll need some guidance. How can I help?

Russell


Takashi Iwai <tiwai@suse.de> writes:

> At 11 Aug 2002 22:08:53 -0400,
> Russell Neches wrote:
> > 
> > I'm trying to get my laptop working with ALSA, but, sadly, my laptop
> > contains the lamentable NeoMagic 256AV chip. With ALSA 0.9.0beta12,
> > loading snd-nm256 causes the machine to lock up so tight that the soft
> > power switch stops working. 
>  
> nm256 driver is fairly unstable.
> i've checked the code and found that ac97 initialization causes
> the problem.  the reason is mysterious and the fix is difficult, since
> we have no information about this chipset at all.
> 
> anyway, the current cvs version is more stable (but not perfect).
> it would be appreciated if you can help debugging, too.
> 
> 
> Takashi



-------------------------------------------------------
This sf.net email is sponsored by: Dice - The leading online job board
for high-tech professionals. Search and apply for tech jobs today!
http://seeker.dice.com/seeker.epl?rel_code=31