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Old 03-10-2019, 06:52 PM   #1
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Registered: Mar 2019
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Exclamation Audio issues in arch-like system

i have a recently installed parabola OS (basically arch with openrc) on my LENOVO 3134A11 and since the begging i have no audio in the system. The thing is that when i run `pavucontrol` the emergent window frozen in "Establishing connection to PulseAudio. Please wait." and trying any `pactl` variants says "Connection refused". Seeing this i went to `alsamixer` to see what's happening so i put everything to the maximum and notice that increasing-decreasing "Rear mic" with loopback enabled causes noise in the speaker so i think what that means is that the system and alsa recognizes the driver, but i still have no audio.

There is some general info that i hope help to solve the problem:

Kernel version: 4.20.11-gnu-1

lspci -v:
    00:1b.0 Audio device: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller (rev 05)
	        Subsystem: Lenovo 6 Series/C200 Series Chipset Family High Definition Audio Controller
        	Flags: bus master, fast devsel, latency 0, IRQ 31
	        Memory at fe600000 (64-bit, non-prefetchable) [size=16K]
	        Capabilities: <access denied>
	        Kernel driver in use: snd_hda_intel
	        Kernel modules: snd_hda_intel
aplay -l:
 aplay: device_list:272: no soundcards found...
    amixer: Mixer attach default error: No such file or directory
sudo aplay /usr/share/sounds/alsa/Front_Center.wav
    ALSA lib pcm_direct.c:1966:(snd1_pcm_direct_parse_open_conf) The field ipc_gid must be a valid group (create group audio)
    aplay: main:828: audio open error: Invalid argument
("root" user has the same issues)
find /lib/modules/`uname -r` | grep snd-hda-intel
alsa force-reload
   bash: alsa: command not found
cat /proc/asound/modules
    0 snd_hda_intel
cat /proc/asound/version
  Advanced Linux Sound Architecture Driver Version k4.20.11-gnu-1.
cat /proc/asound/cards
     0 [PCH            ]: HDA-Intel - HDA Intel PCH
                          HDA Intel PCH at 0xfe600000 irq 31
Hope that you guys can find this out!


It turns out that for some god-knows-why reason pulseaudio didn't start on startup (thats why running pavucontrol frozens the window either in normal and root, pactl din't worked, etc). After initialize pulseaudio with `pulseaudio --start` it turns out another problem: audio only works in root, so after a little research i discover that i can add audio group manually with no issues with `sudo groupadd audio`(i thought that it has to come "by fabric") and `sudo gpasswd -a *user* audio`, then i just reset and woosh audio.

Last edited by Noonehar; 03-10-2019 at 10:41 PM. Reason: Solved by myself
Old 03-13-2019, 11:01 AM   #2
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