Messages in this thread | | | Date | Thu, 2 Jul 2009 13:07:28 -0700 | From | Andrew Morton <> | Subject | Re: [BUG] Linux-2.6.31-rc1-git9 Cannot Recognize Empty DVD Media |
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(cc linux-scsi)
On Thu, 02 Jul 2009 16:23:00 +0300 Tarkan Erimer <tarkan.erimer@turknet.net.tr> wrote:
> Hi, > > I just compiled 2.6.31-rc1-git9 to give it a try. The problem I > encountered with this release is that it cannot recognize empty DVD > (probably CD will be the same. But, I didn't try it.) media with K3b. > I'm having the below error messages in dmesg. Also, I tried with several > new empty DVD medias. So, I'm sure that it's not a faulty DVD media. The > same media burns fine with K3b under <= 2.6.31-rc1-git6. > > > [ 4526.724245] cdrom: This disc doesn't have any tracks I recognize! > [ 4526.748278] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK > driverbyte=DRIVER_SENSE > [ 4526.748285] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current] > [ 4526.748292] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track > [ 4526.748300] end_request: I/O error, dev sr0, sector 0 > [ 4526.748307] Buffer I/O error on device sr0, logical block 0 > [ 4526.750295] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK > driverbyte=DRIVER_SENSE > [ 4526.750302] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current] > [ 4526.750308] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track > [ 4526.750316] end_request: I/O error, dev sr0, sector 0 > [ 4526.750321] Buffer I/O error on device sr0, logical block 0 > [ 4586.738212] cdrom: This disc doesn't have any tracks I recognize! > [ 4586.753644] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK > driverbyte=DRIVER_SENSE > [ 4586.753652] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current] > [ 4586.753659] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track > [ 4586.753668] end_request: I/O error, dev sr0, sector 0 > [ 4586.753673] Buffer I/O error on device sr0, logical block 0 > [ 4586.757373] sr 0:0:0:0: [sr0] Result: hostbyte=DID_OK > driverbyte=DRIVER_SENSE > [ 4586.757379] sr 0:0:0:0: [sr0] Sense Key : Illegal Request [current] > [ 4586.757384] sr 0:0:0:0: [sr0] Add. Sense: Illegal mode for this track > [ 4586.757391] end_request: I/O error, dev sr0, sector 0 > [ 4586.757395] Buffer I/O error on device sr0, logical block 0
There are no recent changes to cdrom.c. Maybe it's due to a scsi change?
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