Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: alsa-driver (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/624316
Title:
No sound using HDA Intel onboard sound - Lenovo ThinkCentre M58
Status in alsa-driver package in Ubuntu:
Confirmed
Bug description:
Out of the box the sound card is not detected by ordinary users in
Ubuntu 10.04 with kernel 2.6.32-24-generic 32 bit. Running 'alsamixer'
returns a "Device not found" error and 'aplay -l' does not detect
anything either. Running the same commands as root return information
about the card. The card is detected in lspci and lshw and according
to lsmod the snd-hda-intel module appears to be loaded correctly.
Adding users to the audio group allows them to run alsamixer and
aplay, including (supposed) playing sound, but no sound is produced.
I've checked the alsamixer settings and everything seems to be okay
there, i.e. nothing is muted. I've also tried installing linux-
backports-modules-alsa-lucid-generic but that hasn't helped either.
Please see attached output from 'ubuntu-bug alsa-base', 'dmesg' and
'lspci -vvv'. If you need further information let me know.
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