When I sync it attempts to sync, quits, reboots the player. Does the same thing with jemplode and emplode. HELP. What's going on?

Adding Swap: 16596k swap-space (priority -6)
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
ext2fs_check_if_mount: No such file or directory while determining whether /dev/
hda4 is mounted.
e2fsck 1.19, 13-Jul-2000 for EXT2 FS 0.5b, 95/08/09
ext2fs_check_if_mount: No such file or directory while determining whether /dev/
hdc4 is mounted.
Restored terminal settings
Remounting first music partition read-only
Remounting second music partition read-only
Restart code received
Starting player