This bug can also cause very noisy sound in speakers and laptops.
This bug can be fixed by setting back "options snd-pcsp index=-2" to
"options snd-pcsp index=-1" in /etc/modprobe.d/alsa-base
** Changed in: alsa-driver (Ubuntu)
Importance: Undecided => Medium
Status: Confirmed => Triaged
** Summary changed:
- snd_pcsp can take precedence of usb soundcard
+ snd_pcsp can take precedence of soundcards
** Description changed:
(Ubuntu Intrepid)
Latest changes in ALSA brought a snd-pcsp driver (and gave its module -2
index), which loads automatically. In my case, it took place of a USB
soundcard (card index 1 changed to 2, after recent changes). As
configuration files (/etc/asound.conf) refer to this card numerically,
- sound stopped working.
+ sound stopped working. Sound might also become very noisy in some
+ laptops due to snd-pcsp.
cat /proc/asound/cards revealed the source of the problem (the snd-pcsp
module).
Suggested solution: blacklist snd-pcsp, which will eliminate this
problem OR throw this module out of the kernel.
+
+ Update : This bug could be fixed by setting back "options snd-pcsp
+ index=-2" to "options snd-pcsp index=-1" in /etc/modprobe.d/alsa-base
--
snd_pcsp can take precedence of soundcards
https://bugs.launchpad.net/bugs/242966
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