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Re: no sound with 2.6.5 kernel - is it a bug?



On April 19, 2004 04:37 pm, Francesco Paolo Lovergine wrote:
> On Fri, Apr 16, 2004 at 09:30:03PM -0400, Slaven Peles wrote:
> > Hi,
> >
> > Some people have reported that upgrade to 2.6.5 solved their sound
> > problems, but in my case 2.6.5 "turned" sound off. I am running sid with
> > debian precompiled kernel (2.6.5-1-686), I use alsa, and I have Intel's
> > onboard sound card:
> >
> > 0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB (ICH4)
> > AC'97 Audio Controller (rev 03)
>
> 0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801CA/CAM AC'97
> Audio Controller (rev 01)
>
> This works with 2.6.5
>

I believe it should, but I get no sound whatsoever. The puzzling thing is that 
I get all kernel modules loaded properly and I can't find any error messages. 
Moreover, the sound works fine if I boot 2.6.4 kernel (both Debian 
precompiled -686 kernels). 

The only difference between the two cases I could notice so far is that for 
the kernel 2.6.5 driver snd_intel8x0m is loaded. So, for the case with no 
sound lsmod gives me something like:
...
snd_intel8x0           34824  2
snd_ac97_codec         65124  2 snd_intel8x0m,snd_intel8x0
snd_pcm                99236  5 snd_intel8x0m,snd_dummy,snd_intel8x0
snd_timer              25924  1 snd_pcm
snd_page_alloc         11332  4 snd_intel8x0m,snd_dummy,snd_intel8x0,snd_pcm
....

while in the case when sound works (kernel 2.6.4) lsmod gives me
...
snd_intel8x0           34376  0
snd_ac97_codec         63492  1 snd_intel8x0
snd_pcm               101316  2 snd_dummy,snd_intel8x0
snd_timer              25956  1 snd_pcm
...

I'm not sure this is related to the problem I have at all, but this is all I 
could come up with so far. Any help is more than welcome.

Many thanks,
Slaven

> snd_intel8x0           34824  1
> snd_ac97_codec         65124  1 snd_intel8x0
> snd_pcm                99236  1 snd_intel8x0
> snd_timer              25924  1 snd_pcm
> snd_page_alloc         11332  2 snd_intel8x0,snd_pcm
> gameport                4704  1 snd_intel8x0
> snd_mpu401_uart         7840  1 snd_intel8x0
> snd_rawmidi            24928  1 snd_mpu401_uart
> snd_seq_device          8072  1 snd_rawmidi
> snd                    55556  8
> snd_mixer_oss,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer,snd_mpu401_uart
>,snd_rawmidi,snd_seq_device soundcore              10208  2 snd



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