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pavel.stratil
Tux's lil' helper
Tux's lil' helper


Joined: 23 Oct 2005
Posts: 116

PostPosted: Mon Aug 17, 2015 8:41 pm    Post subject: No audio (PCM device missing) Reply with quote

So I plunged into the brave new world of testing gentoo+gnome3+systemd. Alas I found out too late, that this involves pulseaudio (which i have no previous experience with) and that using systemd feels superdifferent from good old openrc. My problem is as follows:

- gnome is mute
- the gtk audio utility has only the "dummy" device
- kernel .config here https://bpaste.net/show/015fb75f7395

Code:
# ls -ahl /dev/snd
total 0
drwxr-xr-x   3 root root      160 17. srp 22.12 .
drwxr-xr-x  19 root root     3,7K 17. srp 22.12 ..
drwxr-xr-x   2 root root       60 17. srp 22.12 by-path
crw-rw----+  1 root audio 116,  0 17. srp 22.12 controlC0
crw-rw----+  1 root audio 116,  4 17. srp 22.12 hwC0D0
crw-rw----+  1 root audio 116,  7 17. srp 22.12 hwC0D3
crw-rw----+  1 root audio 116,  1 17. srp 22.12 seq
crw-rw----+  1 root audio 116, 33 17. srp 22.12 timer


Code:
# lspci -v
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
   Subsystem: Dell 7 Series/C210 Series Chipset Family High Definition Audio Controller
   Flags: bus master, fast devsel, latency 0, IRQ 28
   Memory at f7e30000 (64-bit, non-prefetchable) [size=16K]
   Capabilities: [50] Power Management version 2
   Capabilities: [60] MSI: Enable+ Count=1/1 Maskable- 64bit+
   Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
   Capabilities: [100] Virtual Channel
   Capabilities: [130] Root Complex Link
   Kernel driver in use: snd_hda_intel


Code:
# pulseaudio -v  --log-level=0
E: [pulseaudio] pid.c: Daemon already running.
E: [pulseaudio] main.c: pa_pid_file_create() failed.


Code:
# cat /proc/asound/cards
 0 [PCH            ]: HDA-Intel - HDA Intel PCH
                      HDA Intel PCH at 0xf7e30000 irq 28


Code:
# cat /proc/asound/devices
  0: [ 0]   : control
  1:        : sequencer
  4: [ 0- 0]: hardware dependent
  7: [ 0- 3]: hardware dependent
 33:        : timer


Would someone help me out please? Multimedia are definitely not my strong point. TIA
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eccerr0r
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Joined: 01 Jul 2004
Posts: 4602
Location: USA

PostPosted: Fri Aug 21, 2015 3:14 pm    Post subject: Reply with quote

What hda_codec are you using? It looks like none of them are being compiled/loaded?

lsmod|grep snd_hda_codec

My Gigabyte Z68 board uses snd_hda_codec_realtek ... which needs to be loaded.

Was this working with OpenRC or did you jump into the deep end with systemd on this particular machine?
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