MySQL server has gone away

[old-square-eyes]

PHP Fatal error:  Uncaught Exception: SQLSTATE[HY000]: General error: 2006 MySQL server has gone away in /usr/bin/greyhole:730
Stack trace:
#0 /usr/bin/greyhole(740): DB::execute('SELECT GET_LOCK...', Array)
#1 /usr/bin/greyhole(748): DB::getFirst('SELECT GET_LOCK...', Array)
#2 /usr/bin/greyhole(792): DB::getFirstValue('SELECT GET_LOCK...', Array)
#3 /usr/bin/greyhole(4440): DB::acquireLock('read_smb_spool', 5)
#4 /usr/bin/greyhole(7909): SambaSpool::parse_samba_spool()
#5 /usr/bin/greyhole(8629): ProcessSpoolCliRunner->run()
#6 {main}
  thrown in /usr/bin/greyhole on line 730

Log tail is stuck on the below...

root@openmediavault:~# greyhole -L
Oct 01 08:14:30 INFO fsck: Cleaning executed tasks: keeping the last 60 days of logs.

[uSlackr]

The obvious question is whether MySQL is healthy.

[old-square-eyes]

Rebooted and it seems to be fine now. Machine is shared with OMV. Though I hadn't used OMV features since before it apparently failed at the above line in a fsck.