Oliver Tennert wrote:
"hdparm -I /dev/dvdrecorder" leads to the output:
/dev/dvdrecorder:
HDIO_DRIVE_CMD(identify) failed: Input/output error
The kernel tells me:
[4296893.262000] hdd: drive_cmd: status=0x51 { DriveReady SeekComplete Error }
[4296893.262000] hdd: drive_cmd: error=0x04 { AbortedCommand }
[4296893.262000] ide: failed opcode was: 0xec
Those messages are "normal" for an ATAPI drive.
hdparm first tries the IDENTIFY opcode (0xec), and if that fails (above)
it then tries the PACKET_IDENTIFY opcode (0xa1), which should work for ATAPI.
I'm not sure why the "failed: Input/output error" (-EIO) result is
being returned from the ATA layer in this case. Driver bug, most likely.
Cheers
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