Le 02/09/2014 12:35, Tanu Kaskinen a ?crit : > On Tue, 2014-09-02 at 11:24 +0200, DIEHCO R&D wrote: >> Le 02/09/2014 10:57, Tanu Kaskinen a ?crit : >>>>>> (...) >>>>>> I: [pulseaudio] module-udev-detect.c: Found 0 cards. >>>>> The debug logs before this line should tell why there weren't any sound >>>>> cards found. >>>> module-udev-detect.so found. I don't see if there is problem in log below. >>> Ok, so according to udev there are no sound devices. What does "ls >>> -l /dev/snd" print? >>> >> root at eukrea-cpuimx25:~# ls -l /dev/snd >> crw-rw---- 1 root root 116, 0 Sep 2 09:13 controlC0 >> crw-rw---- 1 root root 116, 24 Sep 2 09:13 pcmC0D0c >> crw-rw---- 1 root root 116, 16 Sep 2 09:13 pcmC0D0p >> crw-rw---- 1 root root 116, 1 Sep 2 09:13 seq >> crw-rw---- 1 root root 116, 33 Sep 2 09:13 timer > Hmm, pulseaudio probably can't use these devices, because they are > accessible only to root and pulseaudio runs under the "pulse" user, so > modifying the access rights is required, but I think the log indicates > that pulseaudio doesn't even try, because according to udev there are no > sound cards. > > What does "udevadm info /dev/snd/controlC0" print? root at eukrea-cpuimx25:~# udevadm info /dev/snd/controlC0 missing option root at eukrea-cpuimx25:~# udevadm info --query=all --name=/dev/snd/controlC0 P: /devices/platform/soc-audio/sound/card0/controlC0 N: snd/controlC0 E: DEVNAME=/dev/snd/controlC0 E: DEVPATH=/devices/platform/soc-audio/sound/card0/controlC0 E: MAJOR=116 E: MINOR=0 E: SUBSYSTEM=sound > >> and see attached the "pulseaudio --system -vvvv &" and "pactl list >> cards" outputs with the lines: >> W: [pulseaudio] protocol-native.c: Denied access to client with invalid >> authorization data. >> Connection failure: Access denied > Add the user to the "pulse-access" group, or pass "auth-anonymous=true" > to module-native-protocol-unix in /etc/pulse/system.pa to allow any user > to access the server. > I use second way and then : root at eukrea-cpuimx25:~# pactl list cards I: [pulseaudio] client.c: Created 0 "Native client (UNIX socket client)" I: [pulseaudio] protocol-native.c: Client authenticated anonymously. D: [pulseaudio] protocol-native.c: Protocol version: remote 29, local 29 D: [pulseaudio] protocol-native.c: SHM possible: no D: [pulseaudio] protocol-native.c: Negotiated SHM: no I: [pulseaudio] client.c: Freed 0 "pactl" I: [pulseaudio] protocol-native.c: Connection died. (pulseaudio still running)