Same issue: DVD spools up to ungodly speed and makes alarming rattling noises, followed by VLC refusing to play the disc. So does Ubuntu Movie Player. Ubuntu Version: Lucid Lynx 10.04 Hardware: Dell Latitude E6400 ATG laptop DVD drive: Ubuntu cannot identify type - returns 'unknown type' under disc properties. I can confirm this is not a region issue. My laptop is dual-booting and under Windows 7 this DVD player plays Region 4 (my home country's region) discs without any problems. Except one: VLC for Windows makes the same ungodly speed/rattling noise/refusal to play, very unusual behaviour for VLC under Windows. I must play DVDs through Windows Media Player instead. So I don't discount this could be a hardware issue. In my case I get the strong feeling that the system's failure to identify disc drive type is behind these errors.
Log: Sep 30 07:43:40 bagend kernel: [ 5688.963385] UDF-fs: Partition marked readonly; forcing readonly mount Sep 30 07:43:40 bagend kernel: [ 5688.997502] UDF-fs INFO UDF: Mounting volume 'ROMULUS MY FATHER DISC1', timestamp 2007/10/09 14:42 (1258) Sep 30 07:43:41 bagend kernel: [ 5690.803287] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:41 bagend kernel: [ 5690.803292] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:41 bagend kernel: [ 5690.803296] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:41 bagend kernel: [ 5690.803302] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 01 9e 00 00 10 00 Sep 30 07:43:41 bagend kernel: [ 5690.803310] end_request: I/O error, dev sr0, sector 1656 Sep 30 07:43:41 bagend kernel: [ 5690.803314] __ratelimit: 24 callbacks suppressed Sep 30 07:43:41 bagend kernel: [ 5690.803317] Buffer I/O error on device sr0, logical block 414 Sep 30 07:43:41 bagend kernel: [ 5690.803321] Buffer I/O error on device sr0, logical block 415 Sep 30 07:43:41 bagend kernel: [ 5690.803324] Buffer I/O error on device sr0, logical block 416 Sep 30 07:43:41 bagend kernel: [ 5690.803326] Buffer I/O error on device sr0, logical block 417 Sep 30 07:43:41 bagend kernel: [ 5690.803331] Buffer I/O error on device sr0, logical block 418 Sep 30 07:43:41 bagend kernel: [ 5690.803333] Buffer I/O error on device sr0, logical block 419 Sep 30 07:43:41 bagend kernel: [ 5690.803335] Buffer I/O error on device sr0, logical block 420 Sep 30 07:43:41 bagend kernel: [ 5690.803337] Buffer I/O error on device sr0, logical block 421 Sep 30 07:43:41 bagend kernel: [ 5690.803340] Buffer I/O error on device sr0, logical block 422 Sep 30 07:43:41 bagend kernel: [ 5690.803342] Buffer I/O error on device sr0, logical block 423 Sep 30 07:43:42 bagend kernel: [ 5690.886043] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5690.886051] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5690.886057] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5690.886065] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 8a 42 00 00 08 00 Sep 30 07:43:42 bagend kernel: [ 5690.886078] end_request: I/O error, dev sr0, sector 141576 Sep 30 07:43:42 bagend kernel: [ 5690.891857] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5690.891863] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5690.891869] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5690.891877] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 8a 44 00 00 02 00 Sep 30 07:43:42 bagend kernel: [ 5690.891889] end_request: I/O error, dev sr0, sector 141584 Sep 30 07:43:42 bagend kernel: [ 5690.896942] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5690.896952] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5690.896962] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5690.896978] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 8a 44 00 00 02 00 Sep 30 07:43:42 bagend kernel: [ 5690.897001] end_request: I/O error, dev sr0, sector 141584 Sep 30 07:43:42 bagend kernel: [ 5690.904452] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5690.904464] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5690.904476] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5690.904493] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 8a 44 00 00 02 00 Sep 30 07:43:42 bagend kernel: [ 5690.904518] end_request: I/O error, dev sr0, sector 141584 Sep 30 07:43:42 bagend kernel: [ 5691.163676] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5691.163688] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5691.163700] Info fld=0x11fe2 Sep 30 07:43:42 bagend kernel: [ 5691.163705] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5691.163722] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 01 1f e2 00 00 02 00 Sep 30 07:43:42 bagend kernel: [ 5691.163747] end_request: I/O error, dev sr0, sector 294792 Sep 30 07:43:42 bagend kernel: [ 5691.170323] sr 1:0:0:0: [sr0] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE Sep 30 07:43:42 bagend kernel: [ 5691.170336] sr 1:0:0:0: [sr0] Sense Key : Illegal Request [current] Sep 30 07:43:42 bagend kernel: [ 5691.170347] Info fld=0x11fe2 Sep 30 07:43:42 bagend kernel: [ 5691.170351] sr 1:0:0:0: [sr0] Add. Sense: Media region code is mismatched to logical unit region Sep 30 07:43:42 bagend kernel: [ 5691.170369] sr 1:0:0:0: [sr0] CDB: Read(10): 28 00 00 01 1f e2 00 00 02 00 Sep 30 07:43:42 bagend kernel: [ 5691.170393] end_request: I/O error, dev sr0, sector 294792 -- DVD playback broken in Karmic https://bugs.launchpad.net/bugs/502426 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs