On 8/24/23 23:28, Peter Tribble wrote:
On Thu, Aug 24, 2023 at 9:21 PM Stephan Althaus <
[email protected]> wrote:
Hello!
I have no audio output - anyone else, too ?
Are you logged in on the graphical console?
The way this normally works is that the login display manager will change
ownership of the audio devices to whoever is logged in on the console,
using logindevperm(5) via di_devperm_login() and di_devperm_logout() -
there's a patch 11-login-device-permissions.patch for lightdm that
actually does this for you.
$ prtconf -d | grep -i audio
pci1028,17b1 (pciex10de,fbc) [NVIDIA Corporation GM107 High
Definition Audio Controller [GeForce 940MX]], instance #6
pci1028,7b1 (pciex8086,a171) [Intel Corporation CM238 HD Audio
Controller], instance #5
$ sudo audioctl list-devices
Password:
audiohd#5
audiohd#6
$ audiotest
Sound subsystem and version: SunOS Audio 4.0 (0x00040003)
Platform: SunOS 5.11 illumos-a98a962ff1 i86pc
/dev/sound/audiohd:5dsp: Permission denied
/dev/sound/audiohd:6dsp: Permission denied
*** Errors were detected ***
$ ls -l /dev/sound/audiohd:5dsp
lrwxrwxrwx 1 root root 49 Apr 11 2019
/dev/sound/audiohd:5dsp -> ../../devices/pci@0,0/pci1028,7b1@1f
,3:sound,dsp5
$ ls -l /devices/pci@0,0/pci1028,7b1@1f,3:sound,dsp5
crw------- 1 root root 30, 81 Apr 11 2019
/devices/pci@0,0/pci1028,7b1@1f,3:sound,dsp5
There's no group having rights to access the device, nor "others" - is
this normal ?
Regards,
Stephan
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Hello!
Thanks to Udo and Peter for the insights!
This morning (after reboot) the sound is back.
I switched the Monitor device forth and back yesterday evening,
this might be the cause of the device-files belonging to root:root.
I will try that later.
Thanks!
Regards,
Stephan
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