Thank you very much, Joshua, this solved indeed my problem! Cheers, Alex
On Fri, Jul 8, 2016 at 5:18 PM, <[email protected]> wrote: > sudo usermod -a -G $USER audio > > On Saturday, September 19, 2015 at 6:35:55 PM UTC-7, [email protected] > wrote: >> >> Hi all, >> >> Unfortunately I cannot get the sound to work on my BeagleBoard (rev C5) >> with Ubuntu 14.04.3. I try to use the internal stereo out jack. >> >> Playing any file fails with the following error: >> >> abarth@arm:~$ aplay /usr/share/sounds/alsa/Front_Left.wav >> ALSA lib confmisc.c:768:(parse_card) cannot find card '0' >> ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_card_driver >> returned error: No such file or directory >> ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings >> ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_concat >> returned error: No such file or directory >> ALSA lib confmisc.c:1251:(snd_func_refer) error evaluating name >> ALSA lib conf.c:4248:(_snd_config_evaluate) function snd_func_refer >> returned error: No such file or directory >> ALSA lib conf.c:4727:(snd_config_expand) Evaluate error: No such file or >> directory >> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM default >> aplay: main:722: audio open error: No such file or directory >> >> >> The sound card does not seem to be recognized: >> abarth@arm:~$ aplay -l >> aplay: device_list:268: no soundcards found... >> >> However, in /proc/asound, I see a card0: >> >> abarth@arm:~$ ls /proc/asound >> card0 cards devices modules omap3beagle oss pcm seq timers >> version >> >> Sound kernel modules seem to be loaded: >> >> abarth@arm:~$ lsmod | grep snd >> snd_soc_twl4030 42147 1 >> snd_soc_omap_mcbsp 25505 2 >> snd_soc_omap 3125 1 snd_soc_omap_mcbsp >> snd_soc_omap_twl4030 7256 0 >> snd_seq_midi 6165 0 >> snd_seq_midi_event 7274 1 snd_seq_midi >> snd_soc_core 191982 4 >> snd_soc_omap_twl4030,snd_soc_omap,snd_soc_omap_mcbsp,snd_soc_twl4030 >> snd_compress 13928 1 snd_soc_core >> snd_pcm_dmaengine 5682 2 snd_soc_core,snd_soc_omap >> snd_pcm_oss 41006 0 >> snd_rawmidi 24220 1 snd_seq_midi >> snd_mixer_oss 15253 1 snd_pcm_oss >> snd_pcm 97788 6 >> snd_pcm_oss,snd_soc_core,snd_soc_omap,snd_soc_omap_mcbsp,snd_pcm_dmaengine,snd_soc_twl4030 >> snd_seq 67850 2 snd_seq_midi_event,snd_seq_midi >> snd_seq_device 5368 3 snd_seq,snd_rawmidi,snd_seq_midi >> snd_timer 22978 2 snd_pcm,snd_seq >> snd 72286 9 >> snd_pcm_oss,snd_soc_core,snd_timer,snd_pcm,snd_seq,snd_rawmidi,snd_seq_device,snd_compress,snd_mixer_oss >> soundcore 8445 1 snd >> >> >> >> I have the following alsa packages installed: >> >> abarth@arm:~$ dpkg -l | grep alsa >> ii alsa-base 1.0.25+dfsg-0ubuntu4 >> all ALSA driver configuration files >> ii alsa-utils 1.0.27.2-1ubuntu2 >> armhf Utilities for configuring and using ALSA >> >> Some more info on my system: >> >> abarth@arm:~$ uname -a >> Linux arm 4.1.5-armv7-x2 #1 SMP Tue Aug 11 21:04:06 UTC 2015 armv7l armv7l >> armv7l GNU/Linux >> abarth@arm:~$ cat /etc/issue >> Ubuntu 14.04.3 LTS \n \l >> >> rcn-ee.net console Ubuntu Image 2015-08-17 >> >> Any help or directions would be greatly appreciated! >> >> Cheers, >> Alex >> >> > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAHL-S0bEkZ0hx%2B-KAZ9K0jpdoOGbyyAMyYGMULXqi8tjr2GEZA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
