I have the same problem on IBM server 2x XEON - kernel-amd64 . Temporary I forced version from dapper to work Mysql .
-- mysql-server-5.0 5.0.24a-9 receives signal 4 on startup https://launchpad.net/bugs/66702 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
