Comment 23 for bug 256637

The problem still occurs in 2.6.27-10.20 (SATA DVD Drive):

user@host:~$ uname -a
Linux host 2.6.27-10-generic #1 SMP Fri Nov 21 19:19:18 UTC 2008 x86_64 GNU/Linux

[ 1029.427799] UDF-fs: Partition marked readonly; forcing readonly mount
[ 1029.476928] UDF-fs INFO UDF: Mounting volume 'UDF Volume', timestamp 2008/01/21 21:00 (103c)
[ 1115.628122] ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 1115.628146] ata2.00: cmd a0/01:00:00:00:08/00:00:00:00:00/a0 tag 0 dma 2048 in
[ 1115.628149] cdb 28 00 00 00 01 86 00 00 01 00 00 00 00 00 00 00
[ 1115.628152] res 40/00:03:00:fe:00/00:00:00:00:00/a0 Emask 0x4 (timeout)
[ 1115.628159] ata2.00: status: { DRDY }
[ 1115.628169] ata2: hard resetting link
[ 1120.988131] ata2: link is slow to respond, please be patient (ready=0)
[ 1125.636081] ata2: COMRESET failed (errno=-16)
[ 1125.636098] ata2: hard resetting link
[ 1130.996083] ata2: link is slow to respond, please be patient (ready=0)
[ 1135.644076] ata2: COMRESET failed (errno=-16)
[ 1135.644093] ata2: hard resetting link
[ 1141.004075] ata2: link is slow to respond, please be patient (ready=0)
[ 1170.684080] ata2: COMRESET failed (errno=-16)
[ 1170.684098] ata2: limiting SATA link speed to 1.5 Gbps
[ 1170.684104] ata2: hard resetting link
[ 1175.708079] ata2: COMRESET failed (errno=-16)
[ 1175.708094] ata2: reset failed, giving up
[ 1175.708100] ata2.00: disabled
[ 1175.708124] ata2: EH complete
[ 1175.708184] sr 1:0:0:0: [sr0] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK,SUGGEST_OK
[ 1175.708194] end_request: I/O error, dev sr0, sector 1560
[ 1175.709616] VFS: busy inodes on changed media.