Whatever was causing it appears to have stopped some time ago, but using alsamixer made no difference. I'll close this bug.
** Changed in: linux-source-2.6.20 (Ubuntu) Status: Incomplete => Invalid -- HDA Intel soundcard balance shifts to the right https://bugs.launchpad.net/bugs/106945 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs