Here's a screen dump from the serial port.. any ideas?

hda: drive not ready for command
ide0: reset: success
hda: irq timeout: status=0xd0
ide0: reset: success
hda: irq timeout: status=0xd0
ide0: reset: success
hda: irq timeout: status=0xd0
end_request: I/O error, dev 03:04 (hda), sector 18689640
hda: status timeout: status=0xd0
hda: drive not ready for command
ide0: reset: success
hda: irq timeout: status=0xd0
ide0: reset: success
hda: irq timeout: status=0xd0
ide0: reset: success
hda: irq timeout: status=0xd0
end_request: I/O error, dev 03:04 (hda), sector 18689960
hda: status timeout: status=0xd0
hda: drive not ready for command
ide0: reset: success
hda: irq timeout: status=0xd0
ide0: reset: success