Public bug reported:
lsb_release -rd:
Description: Ubuntu karmic (development branch)
Release: 9.10
Audio driver: AC'97
Kernel version: 2.6.31-4-generic
After update, the sound output was very low, inaudible for most
speakers, so I checked the volume levels, and all of them was if all on
max and not muted, gnome-volume-control, alsamixer, pavumeter, so the
only option was the kernel, i restarted the system and booted with
2.6.28-14-generic, and believe or not, the sound volume was fine.
Another important thing, as my speaker has a sound amplifier, on full
volume, i can hear the static noise, and with 2.6.31-4-generic this
noise was ok same as with 2.6.28-14-generic. So the problem isn't with
the sound card, or with volume control, but with the software amplifier.
As i'm on 2.6.28-14-generic, i will reboot, and later post
2.6.31-4-generic system info.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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Sound very low when on kernel 2.6.31-4-generic
https://bugs.launchpad.net/bugs/405109
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