richard@gentbox ~ $ dmesg| grep hdc ATAPI device hdc: end_request: I/O error, dev hdc, sector 363776 Buffer I/O error on device hdc, logical block 90944 Buffer I/O error on device hdc, logical block 90945 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 363776 Buffer I/O error on device hdc, logical block 90944 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 363780 Buffer I/O error on device hdc, logical block 90945 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 4 Buffer I/O error on device hdc, logical block 1 Buffer I/O error on device hdc, logical block 2 Buffer I/O error on device hdc, logical block 3 Buffer I/O error on device hdc, logical block 4 Buffer I/O error on device hdc, logical block 5 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 4 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: rw=0, want=68, limit=4 isofs_fill_super: bread failed, dev=hdc, iso_blknum=16, block=16 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 hdc: command error: status=0x51 { DriveReady SeekComplete Error } hdc: command error: error=0x54 { AbortedCommand LastFailedSense=0x05 } ATAPI device hdc: end_request: I/O error, dev hdc, sector 0 Buffer I/O error on device hdc, logical block 0 cdrom: hdc: mrw address space DMA selected richard@gentbox ~ $