more mythbackend.log | grep error -A 2

Driver error was [2/1016]:
QMYSQL3: Unable to execute query
Database error was:
Can't open file: 'recordedprogram.MYI'. (errno: 145)

--
strange error flushing buffer ...
2006-07-09 14:00:06.202 Commercial Flagging Starting for MythBusters "Exploding Toilet" recorded from channel 5057 at Sun Jul 9 14:00:00 2006
2006-07-09 14:00:08.878 Using runtime prefix = /usr

ls -l /var/lib/mysql/mythconverg/recordedprogram.MYD
-rw-rw----  1 mysql mysql 20020 Jun 19 08:55 /var/lib/mysql/mythconverg/recordedprogram.MYD

du -h /var/log
1.6M    /var/log/apache
4.0K    /var/log/apache-perl
1.4M    /var/log/exim4
24K     /var/log/gdm
4.0K    /var/log/isdn
22M     /var/log/mysql
738M    /var/log/mythtv
4.0K    /var/log/news
292K    /var/log/ntpstats
44K     /var/log/samba
4.0K    /var/log/webmin/diffs
8.0K    /var/log/webmin
777M    /var/log