How to troubleshoot sound problems
From FedoraProject
Hi! This page exists to help you make your sound working and to help us prevent others from spotting your problems.
Use the list below to identify the component that is making your sound not working and to aid you providing the debugging information when you file a bug report. Please add output of relevant commands to the report:
1. Add shorter texts, such as getfacl output or fact that aplay did not play sound as comments
1. Attach longer outputs, such as pulseaudio -vvv log as attachments
Feel free to improve this text to reflect your experience, or mail suggestions to lkundrak@redhat.com. Thanks!
ALSA
- Relevant pacakges:
kernel,alsa-lib,alsa-plugins-pulseaudio - Permissions on device files are managed by HAL
- Relevant pacakges:
hal,hal-libs - See what ACLs are set with
getfacl /dev/snd/pcmC0D0c- Users with active sessions should have write privilege
- Relevant pacakges:
ConsoleKit,ConsoleKit-libs - Check which sessions are active with
ck-list-sessions
- Relevant pacakges:
- Users with active sessions should have write privilege
- Relevant pacakges:
- Pulseaudio backend is in package
alsa-plugins-pulseaudio - Volume settings are adjusted with
alsamixer -c 0 - You can play sound with
aplay -D hw:0 /usr/share/sounds/startup3.wav- When pulseaudio is running, use
pasuspender /usr/bin/aplay -- -D hw:0 /usr/share/sounds/startup3.wav
- When pulseaudio is running, use
PulseAudio daemon
- Relevant packages:
pulseaudio - Starts with the session
- In GNOME see System->Preferences->Personal->Sessions
- In KDE, you should have
kde-settings-pulseaudioinstalled - Check if it runs with
ps aux |grep pulseaudio
-
grep pulseaudio /var/log/messagesto see if it had any problems - Audio devices are discovered by HAL
- Relevant pacakges:
hal,hal-libs - Use
hal-find-by-capability --capability alsato list them
- Relevant pacakges:
- Run verbose pulseaudio on foreground to see detailed messages
- Kill running pulseaudio
pulseaudio -korpkill -KILL pulseaudio - Clean up the leftover temporary files
rm -rf /tmp/pulse-* - Run
pulseaudio -vvv - You can play sound with
paplay /usr/share/sounds/startup3.wav
GStreamer
- Relevant packages:
gstreamer,gstreamer-plugins-pulse - Default sound devices is set by
gnome-sound-properties - Either ALSA or pulse should work. Also default.
- Check the values with
gconftool-2 --recursive-list /system/gstreamer/0.10/default - You can play sound with
gst-launch audiotestsrc \! autoaudiosink - Also try
pulsesinkinstead
