Timothy Murphy a écrit : > François Patte wrote: > > >>>I took a disk out of one computer, and put it in another >>>(more precisely, I took out the Utrabay hard disk from a ThinkPad T20 >>>and put it in a ThinkPad T23) >>>and now I am told there is no sound because >>>"Device /dev/dsp does not exist". >> >>You can create all sound devices running the command : MAKEDEV sound >> >>The problem is: do these devices will survive to a reboot. >> >>Had you kudzu enabled when you put your drive in your new laptop? If not >>it is not too late to enable it and reboot and see what happens. >> >>Another post suggest to run snd-config from the menu "System >>configuration" This can work too. > > > Thanks for your response. > I now have /dev/dsp, but still no sound! > > I discovered, as was suggested, that I did not have an appropriate driver > for the sound card (Intel 82801CA/CAM AC'97 according to lspci) > in my ThinkPad T23. > > I had assumed (from a quick look on the web) > that I needed the ALSA OSS-compatibility module snd_emu10k1 > but it seems that this is not sufficient on its own. > I now have the module snd_intel8x0 running as well, > and this is shown (eg on running system-config-soundcard) > as the module attached to the soundcard. > This says that the "Default PCM Device" (whatever that means) > is "Intel ICH [Intel 82801CA-ICH3]". > > What I don't understand is the various aliases that it has been suggested > one should put in /etc/modprobe.conf . > I now have > ------------------------------------------ > alias char-major-116 snd > alias char-major-14 soundcore > alias sound-service-0-0 snd-mixer-oss > alias sound-service-0-1 snd-seq-oss > alias sound-service-0-3 snd-pcm-oss > alias sound-service-0-8 snd-seq-oss > alias sound-service-0-12 snd-pcm-oss > > #alias sound-slot-0 snd_emu10k1 > #alias snd-card-0 snd_emu10k1 > alias snd-card-0 snd-intel8x0 > ------------------------------------------ > > But I have no idea what these instructions mean > and have been unable to find information on them on the web. You can have these information installing kernel-doc and have a look at: /usr/share/doc/kernel-doc-2.6.17/Documentation/sound (if your kernel is 2.6.17) did you run the "dectection of sound card" from the gnome menu? If yes did it find the card? Have you a /proc/asound/ directory and, if yes, what is inside? Try to run alsamixer from a terminal and see if you speakers are unmute .... -- François Patte UFR de mathématiques et informatique Université Paris 5 - Paris http://www.math-info.univ-paris5.fr/~patte
