Every so often the DVD driver crashes, after that the drive is inaccsible, I can't even open the tray. The only recourse I know is a reboot.
Is there a way to revive the DVD driver without a reboot.
Feb 1 22:37:32 machine4 kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
Feb 1 22:37:32 machine4 kernel: ata2.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
Feb 1 22:37:32 machine4 kernel: cdb bb 00 ff ff 00 00 00 00 00 00 00 00 00 00 00 00
Feb 1 22:37:32 machine4 kernel: res 40/00:02:00:08:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
Feb 1 22:37:32 machine4 kernel: ata2.00: status: { DRDY }
Feb 1 22:37:32 machine4 kernel: ata2: hard resetting link
Feb 1 22:37:32 machine4 kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Feb 1 22:38:02 machine4 kernel: ata2.00: qc timeout (cmd 0xa1)
Feb 1 22:38:02 machine4 kernel: ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Feb 1 22:38:02 machine4 kernel: ata2.00: revalidation failed (errno=-5)
Feb 1 22:38:02 machine4 kernel: ata2: failed to recover some devices, retrying in 5 secs
Feb 1 22:38:07 machine4 kernel: ata2: hard resetting link
Feb 1 22:38:07 machine4 kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Feb 1 22:38:37 machine4 kernel: ata2.00: qc timeout (cmd 0xa1)
Feb 1 22:38:37 machine4 kernel: ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Feb 1 22:38:37 machine4 kernel: ata2.00: revalidation failed (errno=-5)
Feb 1 22:38:37 machine4 kernel: ata2: failed to recover some devices, retrying in 5 secs
Feb 1 22:38:42 machine4 kernel: ata2: hard resetting link
Feb 1 22:38:43 machine4 kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Feb 1 22:39:13 machine4 kernel: ata2.00: qc timeout (cmd 0xa1)
Feb 1 22:39:13 machine4 kernel: ata2.00: failed to IDENTIFY (I/O error, err_mask=0x4)
Feb 1 22:39:13 machine4 kernel: ata2.00: revalidation failed (errno=-5)
Feb 1 22:39:13 machine4 kernel: ata2.00: disabled
Feb 1 22:39:13 machine4 kernel: ata2: hard resetting link
Feb 1 22:39:14 machine4 kernel: ata2: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Feb 1 22:39:14 machine4 kernel: ata2: EH complete
Feb 1 22:39:14 machine4 kernel: VFS: busy inodes on changed media.
Feb 1 22:39:47 machine4 last message repeated 10 times
Feb 1 22:39:47 machine4 kernel: VFS: busy inodes on changed media.
Feb 1 22:40:03 machine4 kernel: VFS: busy inodes on changed media.