Getting these errors too. I also noticed that they drive disappears every once and a while. Again it is a usb drive. Its formatted as ext. It is not in fstab.
01 03/31/08 0:56:25.621 Socket 0x83914f78 failure waiting for response to message from device 22 type 1 id 38 <0xa02eab90>
01 03/31/08 0:56:25.622 The target device 22 didn't respond to stop media command! <0x740e0b90>
01 03/31/08 0:56:53.000 MythBackEnd_Socket::Close <0x9e2e6b90>
01 03/31/08 0:57:02.822 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:02.822 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:02.822 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:02.823 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:02.870 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:02.870 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:02.954 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:02.955 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:02.955 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:02.955 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:03.004 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:03.005 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:03.091 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:03.091 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:03.091 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:03.091 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:03.140 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:03.140 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:09.420 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:09.420 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.420 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:09.420 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.468 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:09.468 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:09.641 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:09.641 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.641 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:09.641 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.692 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:09.693 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:09.778 Query failed (MySQL server has gone away): SELECT PK_Device,FK_DeviceCategory,FK_DeviceTemplate,FK_Device_ControlledVia FROM Device JOIN DeviceTemplate ON FK_DeviceTemplate=PK_DeviceTemplate LEFT JOIN Device_DeviceData ON FK_Device=PK_Device AND FK_DeviceData=195 WHERE FK_DeviceCategory IN (155,158,59,144,165,166) AND (IK_DeviceData IS NULL OR IK_DeviceData<>0) (1) <0x922ceb90>
01 03/31/08 0:57:09.778 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.778 Query failed (MySQL server has gone away): DELETE `pluto_media`.File FROM `pluto_media`.File LEFT JOIN `pluto_main`.Device ON EK_Device=PK_Device WHERE EK_Device IS NOT NULL AND EK_Device>0 AND PK_Device IS NULL (1) <0x922ceb90>
01 03/31/08 0:57:09.778 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x922ceb90>
01 03/31/08 0:57:09.829 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=-1003 (1) <0x748e1b90>
01 03/31/08 0:57:09.829 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:10.196 Query failed (MySQL server has gone away): UPDATE Device SET Registered=0,psc_mod=psc_mod WHERE PK_Device=22 (1) <0x7b8efb90>
01 03/31/08 0:57:10.196 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x7b8efb90>
01 03/31/08 0:57:10.196 Query failed (MySQL server has gone away): UPDATE Device SET Registered=1,psc_mod=psc_mod WHERE PK_Device=22 (1) <0x7b8efb90>
01 03/31/08 0:57:10.197 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x7b8efb90>
01 03/31/08 0:57:10.225 Connect failed Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2) <0x748e1b90>
01 03/31/08 0:57:10.225 Table_Device_DeviceData::FetchRow Cannot perform query [select * from Device_DeviceData where `FK_Dev