Latest update broke the sound.
Wendell Nichols
wcn00 at shaw.ca
Mon Sep 14 16:20:26 UTC 2009
Wendell Nichols wrote:
> I installed an update after being offline for 3 weeks. My machine is
> a Thinkpad t61p and after the update sound does not work. kmix will
> not start and kde complains that the sound devices are not available.
> The sound driver (snd_hda_intel) is loaded as are the other usual
> suspects.
> Has anyone else had a similar problem?
> Wendell Nichols
>
>
> sound system info:
> [root at bilbo wcn00]# uname -a
> Linux bilbo 2.6.27.30-170.2.82.fc10.x86_64 #1 SMP Mon Aug 17 08:18:34
> EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
>
> lspci -v
> 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio
> Controller (rev 03)
> Subsystem: Lenovo ThinkPad
> T61 Flags: bus
> master, fast devsel, latency 0, IRQ 17
> Memory at fe220000 (64-bit, non-prefetchable)
> [size=16K] Capabilities: [50] Power
> Management version 2
> Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+
> Count=1/1 Enable- Capabilities: [70] Express Root Complex
> Integrated Endpoint, MSI 00 Capabilities: [100]
> Virtual Channel <?>
> Capabilities: [130] Root Complex Link
> <?> Kernel driver in use:
> HDA Intel
> Kernel modules: snd-hda-intel
> [root at bilbo wcn00]# lsmod |grep snd
> snd_hda_intel 480288 1
> snd_seq_dummy 11396 0
> snd_seq_oss 39232 0
> snd_seq_midi_event 14848 1 snd_seq_oss
> snd_seq 61968 5
> snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
> snd_seq_device 15380 3 snd_seq_dummy,snd_seq_oss,snd_seq
> snd_pcm_oss 52352 0
> snd_mixer_oss 23168 2 snd_pcm_oss
> snd_pcm 85768 2 snd_hda_intel,snd_pcm_oss
> snd_timer 30352 2 snd_seq,snd_pcm
> snd_page_alloc 16656 2 snd_hda_intel,snd_pcm
> snd_hwdep 16392 1 snd_hda_intel
> snd 68984 10
> snd_hda_intel,snd_seq_dummy,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_hwdep
>
> soundcore 14992 2 snd
>
>
More information:
I rebooted and noticed a popup dialog from arts:
Informational - artsmessage
Sound server informational message:
Error while initializing the sound driver:
device /dev/dsp can't be opened (Permission denied)
The sound server will continue, using the null output device.
I checked /dev/dsp /dev/mixer etc:
crw-rw---- 1 root root 14, 3 2009-09-14 09:51 /dev/dsp
crw-rw---- 1 root root 14, 0 2009-09-14 09:51 /dev/mixer
It doesn't help to change the permissions cause they get reset at boot
time. Most devices are owned exclusively by the system anyway.
wcn
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