Bug 513714
| Summary: | ACL handling of audio devices broken. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Quentin Armitage <quentin> | ||||||||
| Component: | pulseaudio | Assignee: | Lennart Poettering <lpoetter> | ||||||||
| Status: | CLOSED UPSTREAM | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||||||
| Severity: | medium | Docs Contact: | |||||||||
| Priority: | low | ||||||||||
| Version: | rawhide | CC: | lkundrak, lpoetter, quentin, wtogami | ||||||||
| Target Milestone: | --- | ||||||||||
| Target Release: | --- | ||||||||||
| Hardware: | All | ||||||||||
| OS: | Linux | ||||||||||
| Whiteboard: | |||||||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||||||
| Doc Text: | Story Points: | --- | |||||||||
| Clone Of: | Environment: | ||||||||||
| Last Closed: | 2009-08-24 02:40:13 UTC | Type: | --- | ||||||||
| Regression: | --- | Mount Type: | --- | ||||||||
| Documentation: | --- | CRM: | |||||||||
| Verified Versions: | Category: | --- | |||||||||
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||||||
| Cloudforms Team: | --- | Target Upstream Version: | |||||||||
| Embargoed: | |||||||||||
| Bug Depends On: | 514084, 514086 | ||||||||||
| Bug Blocks: | |||||||||||
| Attachments: |
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This is mst likely due to some driver problem which causes PA to unload the ALSA module. Please open a new terminal. Do a "pulseaudio -k" and a "pulseaudio -vvvvv" there. Then try to reproduce. This should generate some output in the terminal which I'd like you to provide me with. Output of pulseaudio -vvvvv aleady attached. I found that when I did pulseaudio -k, pulseaudio restarted automatically. I had to log out from the GUI and run it from a text mode virtual console in order to be able to get pulseaudio not running. PA autospawns on first use if it isn't running. Try to run "pulseaudio -k ; pulseaudio -vvvvv" in one line to make sure you are quicker than the autospawning. And please get me that pulseaudio -vvvv output *when the issue happens*. I want to see the lines that are generated when you reproduce the issue. Created attachment 355181 [details]
Output of pulseaudio -vvvvv including running of audacity
Attached is the output of pulseaudio -vvvvv when after running pulseaudio I set the output volume to something unmuted, then ran audacity (after which the output volume again showed muted).
PA cannot open your sound card: E: module-alsa-card.c: Card '0' doesn't exist: Permission denied This is a permission issue. Created attachment 355250 [details]
Output of pulseaudio - attempting to set output volume
Looking through the source code of pulseaudio and alsa--libs, I see that the permissions problem occurs when attempting to open /dev/snd/ControlC[12]. An ls --lcontext /dev/snd shows:
drwxr-xr-x. 2 system_u:object_r:device_t:s0 root root 80 2009-07-27 09:19 by-path
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 12 2009-07-27 09:19 controlC0
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 5 2009-07-27 09:19 controlC1
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 11 2009-07-27 09:19 pcmC0D0c
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 10 2009-07-27 09:19 pcmC0D0p
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 9 2009-07-27 09:19 pcmC0D1c
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 8 2009-07-27 09:19 pcmC0D2c
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 7 2009-07-27 09:19 pcmC0D3c
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 6 2009-07-27 09:19 pcmC0D4p
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 4 2009-07-27 09:19 pcmC1D0c
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 3 2009-07-27 09:19 pcmC1D0p
crw-rw----+ 1 system_u:object_r:sound_device_t:s0 root audio 116, 2 2009-07-27 09:19 timer
I have changed the permissions of /dev/snd/[cpt]* to 0666, and I don't get the permissions error anymore. What is responsible for setting the permissions of the /dev/snd/* files; is it udev or ConsoleKit or something else? I am not aware that I have altered anything that would cause anything to have non-standard behaviour in that area. [PROBLEM 1]
[PROBLEM 2]: Now that I can open the /dev/snd/ControlC[12] files, I have attempted to set the output volume above zero/non-muted. Whenever I attempt to do that with Sound Preferences, on exiting Sound Preferences the volume displayed by the icon shows that it is muted again. The attachment is the output of pulseaudio -vvvvv while attempting to set the output volume.
ACL handling is the job of HAL+ck on F11 and udev-acl+ck on F12. udev/acl handling should be fixed in test6 now. (Which is commit but not in koji since perl is currently broken) |
Created attachment 355105 [details] Output of pulseaudio -vvvvv Description of problem: I get no sound output or input in Rawhide. Fedora11 on the same systems works fine. Version-Release number of selected component (if applicable): pulseaudio-0.9.16-2.test2.fc12.i586 How reproducible: Always Steps to Reproduce: 1.Attempt to generate sound output (e.g. GUI login) 2. 3. Actual results: No sound Expected results: Sound output Additional info: Sound works fine on the same machine running Fedora11. If I set an output volume in Sound Preferences, after a sort while it sets itself back to muted. On the Input tab, it lists no input devices, and on the output tabs it lists Null Output - Stereo.