@James Page, Thank you for interested in solving this issue. Here are the some informations that you asked. Hope this could help our Linux community.
(restarting the mysql-server does nothing. I'm facing the same issue) I got these messages, For sudo ps -aef | grep mysqld prasanna 1860 1805 0 22:20 pts/0 00:00:00 grep --color=auto mysqld ************************************************************************ For sudo initctl list avahi-daemon start/running, process 675 mountall-net stop/waiting rc stop/waiting rsyslog start/running, process 567 tty4 start/running, process 885 udev start/running, process 288 upstart-udev-bridge start/running, process 261 ureadahead-other stop/waiting apport stop/waiting console-setup stop/waiting hwclock-save stop/waiting irqbalance stop/waiting plymouth-log stop/waiting tty5 start/running, process 902 atd start/running, process 919 dbus start/running, process 616 failsafe-x stop/waiting plymouth stop/waiting udev-fallback-graphics stop/waiting control-alt-delete stop/waiting hwclock stop/waiting mounted-proc stop/waiting network-manager start/running, process 656 alsa-store stop/waiting module-init-tools stop/waiting setvtrgb stop/waiting alsa-restore stop/waiting cron start/running, process 918 gdm start/running, process 629 mountall stop/waiting mounted-debugfs stop/waiting acpid start/running, process 916 plymouth-stop stop/waiting rcS stop/waiting ufw start/running mounted-varrun stop/waiting rc-sysinit stop/waiting cups start/running, process 812 upstart-socket-bridge start/running, process 649 anacron stop/waiting tty2 start/running, process 910 udevtrigger stop/waiting mounted-dev stop/waiting tty3 start/running, process 911 udev-finish stop/waiting hostname stop/waiting mountall-reboot stop/waiting mysql stop/waiting mountall-shell stop/waiting mounted-tmp stop/waiting network-interface (ppp0) start/running network-interface (lo) start/running network-interface (eth0) start/running plymouth-splash stop/waiting plymouth-upstart-bridge stop/waiting tty1 start/running, process 1304 udevmonitor stop/waiting dmesg stop/waiting network-interface-security (network-manager) start/running network-interface-security (network-interface/eth0) start/running network-interface-security (network-interface/ppp0) start/running network-interface-security (network-interface/lo) start/running network-interface-security (networking) start/running networking stop/waiting procps stop/waiting tty6 start/running, process 914 ureadahead stop/waiting ** Attachment added: "Attached file contains the error report of the mysql-server issue" https://bugs.launchpad.net/ubuntu/+source/mysql-5.1/+bug/844712/+attachment/2373090/+files/error.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/844712 Title: package mysql-server-5.1 5.1.54-1ubuntu4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-5.1/+bug/844712/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs