On Fri, Nov 09, 2001 at 04:35:45PM -0500, Paul Winkler wrote:
> I've got a laptop with a NeoMagic 256 soundcard built in. It pretty
> much sucks, but it's what I have.
(snip)
> I then put alsasound in /etc/init.d and it runs on startup ... but the
> system seems to have about a 50% possibility of hanging as soon as it
> tries to load the sound driver. Anybody else seen this?
OK, I read the INSTALL file notes more carefully - this seems to be a
known problem with this card, but the solution is rather cryptic:
Note: on some notebooks the buffer address cannot be detected
automatically, or causes hang-up during initialization.
In such a case, specify the buffer top address explicity via
snd_buffer_top option.
For example,
Sony F250: snd_buffer_top=0x25a800
Sony F270: snd_buffer_top=0x272800
The driver supports only ac97 codec. It's possible to force
to initialize/use ac97 although it's not detected. In such a
case, use snd_force_ac97=1 option.
So I've added snd_force_ac97=1 to my modules.conf... but how am I
supposed to know the address to use for snd_buffer_top?
Where does one find that information??
I looked in the source for card-nm256.c hoping for some useful
comments, but there's nothing...
I guessed it might be as reported by /proc/iomem but there's a number
of address ranges there and I have no idea which corresponds to
"snd_buffer_top":
f8000000-f9ffffff : PCI Bus #01
f8c00000-f8ffffff : Neomagic Corporation [MagicMedia 256AV Audio]
f9000000-f9ffffff : Neomagic Corporation [MagicMedia 256AV]
fd000000-feffffff : PCI Bus #01
fda00000-fdafffff : Neomagic Corporation [MagicMedia 256AV Audio]
fdb00000-fdbfffff : Neomagic Corporation [MagicMedia 256AV]
fdc00000-fdffffff : Neomagic Corporation [MagicMedia 256AV]
And what's up with the mailing list archive? Search seems to be broken.
Example:
http://www.geocrawler.com/search/?config=12350&words=nm256&SUBMIT=Search+alsa-user
Your search for
htsearch detected an error. Please report this to the returned matches
webmaster of this site. The error message is:
Unable to read configuration file '/bigassraid/htdig//conf/12350.conf'
I've tried Google but found no answer to my problem...
--
paul winkler
home: http://www.slinkp.com
music: http://www.reacharms.com
calendars: http://www.calendargalaxy.com
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