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CD 引起的I/O错误

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发表于 2011-3-8 22:49:40 | 显示全部楼层 |阅读模式
装了squeeze,发现一个问题:当加载TAO (track at once)模式刻录的光盘时,不管是SCSI光驱还是ATAPI光驱,都会在/var/log/kern.log里面产生大量的I/O错误。

Mar  4 22:36:11 debian kernel: [  331.426616] sr 3:0:3:0: [sr1] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar  4 22:36:11 debian kernel: [  331.426631] sr 3:0:3:0: [sr1] Sense Key : Illegal Request [current]
Mar  4 22:36:11 debian kernel: [  331.426642] Info fld=0x5085a
Mar  4 22:36:11 debian kernel: [  331.426647] sr 3:0:3:0: [sr1] Add. Sense: Illegal mode for this track
Mar  4 22:36:11 debian kernel: [  331.426671] sr 3:0:3:0: [sr1] CDB: Read(10): 28 00 00 05 08 5a 00 00 02 00
Mar  4 22:36:11 debian kernel: [  331.426692] end_request: I/O error, dev sr1, sector 1319272
Mar  4 22:36:11 debian kernel: [  331.426704] Buffer I/O error on device sr1, logical block 164909
Mar  4 22:36:14 debian kernel: [  333.811424] sr 3:0:3:0: [sr1] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar  4 22:36:14 debian kernel: [  333.811439] sr 3:0:3:0: [sr1] Sense Key : Illegal Request [current]
Mar  4 22:36:14 debian kernel: [  333.811450] Info fld=0x5085a
Mar  4 22:36:14 debian kernel: [  333.811455] sr 3:0:3:0: [sr1] Add. Sense: Illegal mode for this track
Mar  4 22:36:14 debian kernel: [  333.811479] sr 3:0:3:0: [sr1] CDB: Read(10): 28 00 00 05 08 5a 00 00 02 00
Mar  4 22:36:14 debian kernel: [  333.811500] end_request: I/O error, dev sr1, sector 1319272
Mar  4 22:36:14 debian kernel: [  333.811512] Buffer I/O error on device sr1, logical block 164909
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Mar  4 22:36:22 debian kernel: [  342.504479] sr 3:0:3:0: [sr1] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Mar  4 22:36:22 debian kernel: [  342.504494] sr 3:0:3:0: [sr1] Sense Key : Illegal Request [current]
Mar  4 22:36:22 debian kernel: [  342.504506] Info fld=0x5085a
Mar  4 22:36:22 debian kernel: [  342.504511] sr 3:0:3:0: [sr1] Add. Sense: Illegal mode for this track
Mar  4 22:36:22 debian kernel: [  342.504535] sr 3:0:3:0: [sr1] CDB: Read(10): 28 00 00 05 08 5a 00 00 02 00
Mar  4 22:36:22 debian kernel: [  342.504556] end_request: I/O error, dev sr1, sector 1319272
Mar  4 22:36:22 debian kernel: [  342.504567] Buffer I/O error on device sr1, logical block 164909
Mar  4 22:36:23 debian kernel: [  343.177396] UDF-fs: No VRS found
Mar  4 22:36:23 debian kernel: [  343.177407] UDF-fs: No partition found (1)
Mar  4 22:36:23 debian kernel: [  343.191075] ISO 9660 Extensions: Microsoft Joliet Level 3
Mar  4 22:36:23 debian kernel: [  343.369785] ISO 9660 Extensions: RRIP_1991A

同样刻录机用DAO模式刻录的光盘在加载的时候不会有任何问题,用压制的光盘也没有任何问题。花了好长时间试验才确定光驱没有问题,问题出在刻录模式上,只要用TAO模式不管怎么刻录,用什么软件刻录,就出现同样的I/O错误。

同一台机器以前在Sarge,Etch,Lenny上面一直没有出现这样的问题。请问有人知道是怎么回事吗?
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