Temporarily enablingdisabling a sound card in SuSE 9.3 212
On 25 Jan 2006 08:51:17 -0800, AN O'Nymous staggered into the Black Sun and said:
problems with ALSA and multiple soundcards, AN wants to use 2 soundcards for playback at the same time, and SuSE's automatic setup is confusing him and-or doing the wrong thing.
Right, there are 4 sound device files. If SuSE hasn't switched to udev yet, it's highly probable that some of these won't be connected to anything. So try them all out with "play -ddev-dsp something.wav" "play -ddev-dsp1 something.wav" etcetera and see if your sound comes out of the speakers or the headphones for each device.
symlink: dev-cdrom is a symlink ("pointer", "shortcut") to the real CD-ROM device atdev-ide-host0-bus1-target0-lun0-cd . Symlinks are used extensively in Linux for simplicity and-or short names.
I finally got someone at Verizon who was not in the marketing department. He said the software they install on the users...
udev: The new way to manage devices under Linux. When the kernel finds a device, it writes information about that device tosys . udevd, the udev daemon, reads that information and creates appropriate device files for that device indev . So if your USB keychain drive isdev-sda1, thendev-sda1 will only exist when your drive is plugged in--any other time, that symlink won't be there.
The advantage of udev is thatdev contains all the devices the kernel currently knows about, instead of all the devices the distro manufacturers thought you might need. This makesdev easier to read, more flexible, and easier to deal with since it has fewer files in it than an old staticdev . HTH, see what you get from play.
-- Matt GThere is no Darkness in Eternity-But only Light too dim for us to see Brainbench MVP for Linux Admin mail: TRAP + SPAN don't belong ----------------------------- penguins, is Tux." --MegaHAL
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