I also have this problem and confirmed workaround....
You will find the error at the end of the attached log and it looks like this:
ata3.00: status: { DRDY ERR }
[ 2444.768392] ata3: hard resetting link
[ 2445.252019] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 2445.280061] ata3.00: configured for UDMA/100
[ 2445.280598] ata3: EH complete
[ 2866.980021] ata3.00: qc timeout (cmd 0xa0)
[ 2866.980033] ata3.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
[ 2866.980093] ata3.00: irq_stat 0x40000001
[ 2866.980152] ata3.00: cmd a0/00:00:00:00:00/00:00:00:00:00/a0 tag 0
[ 2866.980153] cdb 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 2866.980155] res 51/20:03:00:00:00/00:00:00:00:00/a0 Emask 0x5
(timeout)
>From the log ata3 refers to the cdrom drive:
[ 2.698013] ata3.00: ATAPI: Optiarc DVD RW AD-7640S, HX04, max UDMA/100, ATAPI
AN.
The " leave cd in cdrom player " works!!!! ..yesss finally....but I
would love a real solution......
(I tried 9.10 but the same error is also there)
** Attachment added: "msg-dmesg.pdf"
http://launchpadlibrarian.net/35433047/msg_dmesg.pdf
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AHCI Hard Drive constantly erroring
https://bugs.launchpad.net/bugs/383632
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