After investigating this thoroughly, it turned out debian-sys-maint’s password differed between /etc/mysql/debian.cnt and the database. After a proper SET PASSWORD FOR 'debian-sys-maint'@'localhost' everything seems ok (and the upgrade ran smoothly), so feel free to close this bug.
-- MySQL server fails to upgrade in Gutsy - debian-sys-maint user permission denied https://bugs.launchpad.net/bugs/153221 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