This confirms another theory, the live-CD you burned was corrupt, and
that this somehow corrupted the kernel module in use, effectively
removing sound from your system. This is the dmesg entry indicating that
the CD is corrupt:
[ 39.403891] SQUASHFS error: squashfs_read_data failed to read
Interesting.
When download of ISO image was finished, the MD5 check said the image was ok.
When I burned the CD, the boot didn't worked after various attempts. So I used
unetbootin to make a flash usb boot. And the system started very well, but with
the problem of sound not working. So I
This almost certainly is a resource allocation issue, which points to
something deeper in the stack than the sound driver.
--
Soundcard not detected
https://bugs.launchpad.net/bugs/551318
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
Solved.
Problem only happend when using live cd. When installed on disk, sound started
working again. And kept working after running update manager.
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete = Confirmed
--
Soundcard not detected
https://bugs.launchpad.net/bugs/551318
You
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/42437662/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/42437663/CurrentDmesg.txt
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/42437664/Dependencies.txt
**
Please update to the latest kernel, 2.6.32-18-generic, and reboot. Once
this is done, please check to see whether your card is again detected,
and report back.
affects ubuntu/alsa-driver
status incomplete
** Changed in: alsa-driver (Ubuntu)
Status: New = Incomplete
--
Soundcard not
** Changed in: alsa-driver (Ubuntu)
Status: Incomplete = New
** Changed in: alsa-driver (Ubuntu)
Status: New = Incomplete
--
Soundcard not detected
https://bugs.launchpad.net/bugs/551318
You received this bug notification because you are a member of Ubuntu
Bugs, which is
I'm just thinking loud here, but I find it strange that PciMultimedia
claims that the snd-hda-intel module is in use, but we see no signs of
this in dmesg. IIRC the daily drivers from ppa:ubuntu-audio-dev spits
out more information in dmesg than the original module does, so that
could be something
