no sound on toshiba satellite

Asked by renault

Since I upgrade my edgy to feisty, sound has vanished and I don't know to solve that problem. An error message appears when I write commands in terminal :
ALSA lib pcm_dmix.c:864:(snd_pcm_dmix_open) unable to open slave"
 It's also amazing to see that sound still work when I boot on 2.6.17-10.
For information, my PC is a Toshiba satellite A110-294.

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Ubuntu linux-source-2.6.20 Edit question
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renault
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renault (gautier-renault) said :
#1

nothing

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Cesare Tirabassi (norsetto) said :
#2

Anything here http://alsa.opensrc.org/FAQ056 that can help?

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Best renault (gautier-renault) said :
#3

I red and followed the advices of an other user on ubuntu-fr. sound is came back! I give you the adress: http://forum.ubuntu-fr.org/viewtopic.php?id=115326.
thanks

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matheuu (matheuu) said :
#4