Adding the following line at the end of the /etc/modprobe.d/alsa-base file allows this workaround to be permanent.
options snd-hda-intel probe_mask=8 model=3stack
That worked for me to get sound working on a Toshiba A135-S2266 with Kubuntu 7.04 Feisty. I did not have to download and compile the newer ALSA drivers.
Adding the following line at the end of the /etc/modprobe. d/alsa- base file allows this workaround to be permanent.
options snd-hda-intel probe_mask=8 model=3stack
That worked for me to get sound working on a Toshiba A135-S2266 with Kubuntu 7.04 Feisty. I did not have to download and compile the newer ALSA drivers.
See also: /bugs.launchpad .net/ubuntu/ +source/ alsa-driver/ +bug/88570
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