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nukem996
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PostPosted: Sun Mar 06, 2005 5:54 am    Post subject: 2.6.11 and no sound Reply with quote

After I upgraded my laptop to the 2.6.11 kernel I realized that no sound was playing from anything(kde xmms xine or even aplay). I booted back into the 2.6.10 kernel and sound was working fine. I recompiling alsa-libs arts and xmms and nothing fixed the problem. Anyone have any clue whats wrong?

Here is my system info

IBM Thinkpad T40
Kernel: 2.6.11-ck1
Sound Card: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01) - using kernel driver snd_intel8x0.

Thanks

nuke
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thebigslide
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PostPosted: Sun Mar 06, 2005 6:02 am    Post subject: Reply with quote

Do the alsa modules get loaded with the 2.6.11 kernel?
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nukem996
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PostPosted: Sun Mar 06, 2005 6:10 am    Post subject: Reply with quote

Yes here is a the sound modules that are loaded from lsmod

snd_intel8x0 29248 3
snd_ac97_codec 75256 1 snd_intel8x0
snd_pcm 84936 4 snd_pcm_oss,snd_intel8x0,snd_ac97_codec
snd_timer 22084 2 snd_seq,snd_pcm
snd 47140 12 snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_seq_device,snd_intel8x0,snd_ac97_codec,snd_pcm,snd_timer
snd_page_alloc 7620 2 snd_intel8x0,snd_pcm
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thebigslide
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PostPosted: Sun Mar 06, 2005 6:21 am    Post subject: Reply with quote

hmm
can you run alsamixer?
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nukem996
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PostPosted: Sun Mar 06, 2005 6:30 am    Post subject: Reply with quote

Yes and everything is turned all the way up. When I play a sound in xmms the visualization runs normally, everything runs normally but I get no sound out of the speakers or headphone jack.
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Nemein
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PostPosted: Sun Mar 06, 2005 6:34 am    Post subject: Reply with quote

I had the same problem yet the only thing I had to do was unmute a few channels in alsamixer and voila.
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thebigslide
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PostPosted: Sun Mar 06, 2005 6:39 am    Post subject: Reply with quote

Some cards have a digital/analog out toggle near the end of the settings. maybe this has defaulted differently.
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Cintra
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PostPosted: Sun Mar 06, 2005 6:44 am    Post subject: Reply with quote

Could be your two iec958 settings in alsamixer aren't zero and unmuted..
mvh
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nukem996
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PostPosted: Sun Mar 06, 2005 7:07 am    Post subject: Reply with quote

Cintra: I dont see that anywere in amixer or alsamixer.
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dave_pretty
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PostPosted: Sun Mar 06, 2005 8:37 am    Post subject: Reply with quote

I have the same problem using 2.6.11-ck1 on a Thinkpad R40.
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Cintra
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PostPosted: Sun Mar 06, 2005 12:20 pm    Post subject: Reply with quote

nukem996 wrote:
Cintra: I dont see that anywere in amixer or alsamixer.
Perhaps the laptop version excludes s/pdif..
How about Kmix? There too I would expect you to have a slider "IEC958 Playback AC97-SPSA" which MUST be zero.
And two IEC958 columns on Kmix's 'switches' tab?
I have the same controller on an ASUS p4pe board..
Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller(rev 02)
mvh
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nukem996
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PostPosted: Sun Mar 06, 2005 7:25 pm    Post subject: Reply with quote

Here is what I have in Kmix everything is on at 100% unless otherwise stated

Output:
Master
Master Mono
Headphone
PCM

Input:
Line
CD
Mic (0 and muted)
Phone
Aux
Capture (0 and muted)

Switches:
Headphone Jack Sense
Line Jack Sense
Mic Boost (+20dB)
Mic Select
Video(off)
Mono Output Select
Mix(off)
Mix Mono(off)
External Amplifer
Stereo Mic

On the Botton of each screen
Intel 82801 DB-ICH4 - says its for right left balancing so its in the middle
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dave_pretty
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PostPosted: Sun Mar 06, 2005 11:04 pm    Post subject: Reply with quote

I don't have time to look at this right now, I've gone back to 2.6.10 for the time being, but it appears to be a problem with alsa 1.0.8 and snd_intel8x0:

http://www.google.com/search?q=alsa+1.0.8+thinkpad&ie=UTF-8&oe=UTF-8
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nukem996
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PostPosted: Sun Mar 06, 2005 11:43 pm    Post subject: Reply with quote

hmm that would make sense since the 2.6.11 kernel upgraded to alsa 1.0.8. Thanks for the tip ill look through google and see if I find a solution other then reverting
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Nemein
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PostPosted: Mon Mar 07, 2005 1:36 am    Post subject: Reply with quote

I'm currently using gentoo-dev-source-2.6.11-r2 on an nForce mb and using the onboard sound (snd-intel8x0) and am having no troubles whatsoever. ALSA was built into the kernel for me.
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gna
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PostPosted: Mon Mar 07, 2005 6:19 am    Post subject: Reply with quote

It might be related to this. Search for thinkpad on the page.

http://kerneltrap.org/mailarchive/1/message/29288/thread?from=260&messages_per_page=10
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jabberwauki
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PostPosted: Mon Mar 07, 2005 6:46 am    Post subject: I have this problem on 2.6.10 kernel Reply with quote

Files appear to play but there is no sound output. I see dummy card in my alsamixer and not the regular one.
Sound plays perfectly in 2.6.9 series.

Please direct me towards the solution... thanks!
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lefou
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PostPosted: Mon Mar 07, 2005 10:37 am    Post subject: Reply with quote

I have no sound, too, since I installed the new kernel 2.6.11. The system behaves as everything will go fine except: you will her nothing. :cry: But the hardware is ok.
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lefou
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PostPosted: Mon Mar 07, 2005 10:42 am    Post subject: Reply with quote

I found a solution for the ThinkPad R50. :D

In alsamixer switch «Headphone Jack Sense» to off-state. Maybe the headphone-detection is broken or need some extra conector that is not implemented in the ThinkPad. Never mind. I'm happy now, hope, you will get your sound back, too.
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nukem996
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PostPosted: Mon Mar 07, 2005 12:40 pm    Post subject: Reply with quote

Yes!!! That fixed it!!! Thanks lefou!!!
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