Same problem here after an upgrade from 6.04 to 6.10. Also on AMD64 install.
There are more people with this problem: http://www.ubuntuforums.org/showthread.php?t=284950 -- 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
