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#1 2015-02-21 02:08:52

ewtoombs
Member
Registered: 2009-07-23
Posts: 28

ALSA has stopped working (nforce/hda_intel)

I don't know what else to say other than what's in the subject. All programs using alsa fail to play music. Mplayer delivers the following error message:

[AO_ALSA] alsa-lib: pcm_hw.c:1557:(snd_pcm_hw_open) open '/dev/snd/pcmC0D0p' failed (-2): No such file or directory
[AO_ALSA] alsa-lib: pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave
[AO_ALSA] Playback open error: No such file or directory
Failed to initialize audio driver 'alsa'
Could not open/initialize audio device -> no sound.

A cursory search of the interwebs has come up empty. I have no idea what to do. My sound card is one of those nforce things. Here's its lspci entry:

00:07.0 Audio device: NVIDIA Corporation MCP72XE/MCP72P/MCP78U/MCP78S High Definition Audio (rev a1)

I also got this in the dmesg:

[    3.553272] sound hdaudioC0D0: autoconfig: line_outs=4 (0x1c/0x19/0x22/0x23/0x0) type:line
[    3.553284] sound hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[    3.553290] sound hdaudioC0D0:    hp_outs=1 (0x1d/0x0/0x0/0x0/0x0)
[    3.553294] sound hdaudioC0D0:    mono: mono_out=0x0
[    3.553299] sound hdaudioC0D0:    dig-out=0x20/0x21
[    3.553302] sound hdaudioC0D0:    inputs:
[    3.553307] sound hdaudioC0D0:      Rear Mic=0x1a
[    3.553311] sound hdaudioC0D0:      Front Mic=0x1e
[    3.553315] sound hdaudioC0D0:      Line=0x1b
[    3.553318] sound hdaudioC0D0:      CD=0x1f
[    3.730233] nvidia 0000:02:00.0: irq 26 for MSI/MSI-X
[    4.491693] forcedeth 0000:00:0a.0 enp0s10: link up
[    4.699571] NVRM: Your system is not currently configured to drive a VGA console
[    4.699579] NVRM: on the primary VGA device. The NVIDIA Linux graphics driver
[    4.699585] NVRM: requires the use of a text-mode VGA console. Use of other console
[    4.699589] NVRM: drivers including, but not limited to, vesafb, may result in
[    4.699592] NVRM: corruption and stability problems, and is not supported.
[    4.952581] sound hdaudioC0D0: rates == 0 (nid=0x10, val=0x0, ovrd=1)
[    4.952590] sound hdaudioC0D0: cannot attach PCM stream 0 for codec #0 <----
[    5.226358] input: HDA NVidia Rear Mic as /devices/pci0000:00/0000:00:07.0/sound/card0/input5
[    5.226473] input: HDA NVidia Line as /devices/pci0000:00/0000:00:07.0/sound/card0/input6
[    5.226564] input: HDA NVidia Line Out Front as /devices/pci0000:00/0000:00:07.0/sound/card0/input7
[    5.226647] input: HDA NVidia Line Out Surround as /devices/pci0000:00/0000:00:07.0/sound/card0/input8
[    5.226754] input: HDA NVidia Line Out CLFE as /devices/pci0000:00/0000:00:07.0/sound/card0/input9
[    5.226838] input: HDA NVidia Line Out Side as /devices/pci0000:00/0000:00:07.0/sound/card0/input10
[    5.226931] input: HDA NVidia HDMI/DP,pcm=7 Phantom as /devices/pci0000:00/0000:00:07.0/sound/card0/input11

Others have had the error I put the arrow beside before, but their problems were either transient or fixed with a kernel update that happened months ago. Mine is persisting, though. Any ideas? Is this happening to anybody else?

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