[Mageia-dev] No sound after reboot.

Wed Dec 14 11:27:55 CET 2011

'Twas brillig, and Charles A Edwards at 14/12/11 04:45 did gyre and gimble:
+> After rebooting tonight for the first time in approx a week I find that
+> sound no longer works.
+> 
+> Sound card is c-media and is properly detected in both harddrake and
+> alsaconf and uses the snd_cmipci driver and is set to use pulseaudio.
+> 
+> Driver and modules are loaded
+> 
+> [root at SuperSize ~]# lspcidrake -v |grep AUDIO
+> snd_cmipci      : C-Media Electronics Inc|CM8738 [MULTIMEDIA_AUDIO]
+> (vendor:13f6 device:0111 subv:584d subd:3731) (rev: 10) [root at SuperSize
+> ~]# lsmod |grep snd 
+> snd_cmipci             40460  0 
+> gameport               14963  1 snd_cmipci
+> snd_pcm                84041  1 snd_cmipci
+> snd_page_alloc         18101  1 snd_pcm
+> snd_opl3_lib           18620  1 snd_cmipci
+> snd_timer              28855  2 snd_pcm,snd_opl3_lib
+> snd_hwdep              13515  1 snd_opl3_lib
+> snd_mpu401_uart        13992  1 snd_cmipci
+> snd_rawmidi            29657  1 snd_mpu401_uart
+> snd_seq_device         14136  2 snd_opl3_lib,snd_rawmidi
+> snd                    70007  8
+> snd_cmipci,snd_pcm,snd_opl3_lib,snd_timer,snd_hwdep,snd_mpu401_uart,snd_rawmidi,snd_seq_device
+> soundcore              14491  1 snd
+> 
+> But the card is not detected by pulseaudio
+> Running PulseAudio Volumne Control:
+> Shows only for Dummy Output
+> Configuration:
+> Shows: No cards available for configuration
+
+Generally this relates to a permissions issue (although it can also
+indicate a problem with dbus)
+
+1. cat /proc/asound/cards
+2. getfacl /dev/snd/pcm*
+3. sudo fuser -v /dev/snd/pcm*
+
+Col
+
+
+-- 
+
+Colin Guthrie
+colin(at)mageia.org
+http://colin.guthr.ie/
+
+Day Job:
+  Tribalogic Limited http://www.tribalogic.net/
+Open Source:
+  Mageia Contributor http://www.mageia.org/
+  PulseAudio Hacker http://www.pulseaudio.org/
+  Trac Hacker http://trac.edgewall.org/
+