I have been troubleshooting a problem with no sound in ET caused by an error message of "unable to map valid mmap /dev/dsp". I have mostly resolved the issue.


As a regular user while dropline is running I can remove the volume control from the panel and "killall -9 esd". Afterwards I "modprobe -r snd-cs46xx" and then "modprobe snd-cs46xx mmap_valid=1". Afterwards I have to unmute and then increase the PCM volume using alsamixer. At this poing sound works correctly in Enemy Territory and I would assume other ID games.

Now how can I add this to my modules.conf to allow 'snd-cs46xx mmap_valid=1' to be loaded automatically as slack is loading? My modules.conf currently ONLY has the current line.

alias char-major-195 nvidia

From what I've read the line
"options mmap_valid=1" needs to be added directly after ALSA information in the modules.conf. But as you can see I have practically nothing in my modules.conf just a line about the Geforce Ti4400 card I have.

Any help would be greatly appreciated.

P.S. I searched dmesg for any references to ALSA to determine a slot number. The only thing returned with "dmesg | grep ALSA" was

ALSA ../../alsa-kernel/pci/cs46xx/cs46xx_lib.c:416: cs46xx: failure waiting for FIFO command to complete
ALSA ../../alsa-kernel/pci/cs46xx/cs46xx_lib.c:416: cs46xx: failure waiting for FIFO command to complete

but sound works fine in most things normally and in ET if I used the first posted procedure.

You can add the line:
to your /etc/modules file or add the line:
to any point in the modules.conf file. The second method is probably preferable.