Public bug reported:
About three weeks back, after installing an Ubuntu upgrade, my sound
hardware disappeared. Since, then I have no sound from my desktop. I
have tried several fixes but with no success....
Any help is greatly appreciated......
Following is the output of the command: ubuntu-bug audio
4509
ERROR: symptom script /usr/share/apport/symptoms/audio.py crashed:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/apport/ui.py", line 56, in
thread_collect_info
package = symb['run'](report, ui)
File "/usr/share/apport/symptoms/audio.py", line 192, in run
(package, card, isOutput, jack) = ask_jack_and_card(report, ui)
File "/usr/share/apport/symptoms/audio.py", line 22, in ask_jack_and_card
cards = parse_cards()
File "/usr/share/apport/symptoms/_audio_data.py", line 301, in parse_cards
cards = add_pa_cards(cards, pactl_parsed)
File "/usr/share/apport/symptoms/_audio_data.py", line 188, in add_pa_cards
for pa_card in pactlvalues['Card'].itervalues():
KeyError: 'Card'
--------------------------------------------------------------------
actionparsnip said on 2011-06-08: #1
Can you give the output of:
wget -O alsa-info.sh http://alsa-project.org/alsa-info.sh && bash
./alsa-info.sh
Thanks
--------------------------------------------------------------------
Saurabh Bajaj said on 2011-06-08: #2
here it is:
http://www.alsa-project.org/db/?f=7c357774e2103d56907068c6a7c7b32468dac87e
Mark Rijckenberg said on 2011-06-10: #3
Driver version:
Library version: 1.0.24.1
Utilities version: 1.0.24.2
You have no ALSA driver version, which you need. Try:
sudo apt-get -y --reinstall install alsa-base alsa-utils; killall
pulseaudio; rm -r ~/.pulse*
Then reboot, should be ok
These instructions have been given in the past by actionparsnip and may
help here.
--------------------------------------------------------------------
Saurabh Bajaj said on 2011-06-10: #4
Thanks for your reply. I ran those three commands, but still no sound
hardware is detected....
I ran the alsa script again, and looks like still there is no ALSA
driver version. Here is the new link: http://www.alsa-
project.org/db/?f=cb73e2841ba221eabc76e25e6c56ec53c4ae67e9
Also, FYI, I noticed the below statements when I ran the above script. I
though they might be useful in diagnosing the problem:
grep: /proc/asound/cards: No such file or directory
cat: /proc/asound/cards: No such file or directory
cat: /proc/asound/modules: No such file or directory
grep: /proc/asound/cards: No such file or directory
/sbin/alsactl: save_state:1519: No soundcards found...
cat: /tmp/alsa-info.tv0FWucEec/alsactl.tmp: No such file or directory
Thanks!
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/798000
Title:
Ubuntu 11.04 No sound cards detected
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