[ARM] default user audio goes to /dev/null
Bug #396716 reported by
Alan Tull
This bug report is a duplicate of:
Bug #420447: no sound devices on babbage board with linux-image-2.6.31-100-imx51.
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This bug affects 1 person
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
Ubuntu |
Triaged
|
Low
|
Unassigned |
Bug Description
Release: Ubuntu 9.04 on Babbage1
I'm not changing anything from the 9.04 release.
After install, audio is defaulting to /dev/null
The volume control applet's heading says "Volume Control: Playback: Null Output (PulseAudio Mixer)
The problem is that the default user that was created during install isn't a member of the audio group. Same can be said for video.
Default groups after a install for the install user are:
ubuntu(the default user was named ubuntu in my case) adm dialout cdrom plugdev lpadmin admin sambashare
Doing this added my default user "ubuntu" to the audio and video groups to enable audio and video playback.
sudo usermod -a -G audio,video ubuntu
summary: |
- default user audio goes to /dev/null + [ARM] default user audio goes to /dev/null |
tags: | added: armel |
Changed in ubuntu: | |
importance: | Undecided → Low |
status: | New → Triaged |
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since the switch to pulseaudio and policykit the audio group is obsolete and not used in ubuntu anymore
sound is routed through the in-session pulseaudio server who talks to the system soundserver process via dbus.
access is controlled by policykit, the group defaults are absolutely right here ...
since our imx51 kernel in 9.04 has no audio support enabled at all, pulse does what it is supposed to do if there is no alsa device and points correctly to its builtin /dev/null audio device so processes and applications sitting on top of pulse can still connect to something and dont break.