Ok John, step by step instructions to fix the server.

1. kill mysqld
2. mysqld
3. goto 1

Repeat ad stupidum. If it doesn't work, unplug everything, then place in the centre of the room. Now move to the fire point, take out the axe. Holding it high above your head, drop the point straight down the middle. If it's in an earthquake-proof case this may take some time