mysqld
InnoDB: The log sequence number in ibdata files does not match
InnoDB: the log sequence number in the ib_logfiles!
110415 18:06:32  InnoDB: Database was not shut down normally!
InnoDB: Starting crash recovery.
InnoDB: Reading tablespace information from the .ibd files...
InnoDB: Restoring possible half-written data pages from the doublewrite
InnoDB: buffer...
110415 18:06:32  InnoDB: Started; log sequence number 0 43685
110415 18:06:32 [ERROR] mysqld: Table './mysql/user' is marked as crashed and should be repaired
110415 18:06:32 [Warning] Checking table:   './mysql/user'
110415 18:06:32 [ERROR] 1 client is using or hasn't closed the table properly
110415 18:06:32 [Note] mysqld: ready for connections.
Version: '5.0.81-1'  socket: '/var/run/mysqld/mysqld.sock'  port: 3306  (Debian)