This is clearly a gstremer alsa mixer bug. I found a workaround, which is to switch to OSS mixer in sound settings OSS mixer is just an emulation on top of alsa, but gsteremer doesn't have this bug in oss mixer code.
-- [Gutsy] Erratic volume control behaviour https://bugs.launchpad.net/bugs/158590 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
