升级到ubuntu10.04后无法挂载移动硬盘，附出错日志，向高手求助。

升级到ubuntu10.04（alpha3）后就无法挂载移动硬盘了，以前9.10的时候很正常，不只是什么原因，希望各位高手帮帮忙，下面是出错日志：
[ 3343.333043] Buffer I/O error on device sdb1, logical block 29
[ 3343.333050] Buffer I/O error on device sdb1, logical block 30
[ 3343.333056] Buffer I/O error on device sdb1, logical block 31
[ 3344.265511] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3344.265519] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3344.265529] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3344.265539] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3344.265552] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 77 00 00 08 00
[ 3344.265576] end_request: I/O error, dev sdb, sector 119
[ 3344.265587] Buffer I/O error on device sdb1, logical block 28
[ 3344.265596] Buffer I/O error on device sdb1, logical block 29
[ 3344.265603] Buffer I/O error on device sdb1, logical block 30
[ 3344.265609] Buffer I/O error on device sdb1, logical block 31
[ 3345.199324] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3345.199333] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3345.199342] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3345.199353] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3345.199365] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 77 00 00 08 00
[ 3345.199389] end_request: I/O error, dev sdb, sector 119
[ 3345.199401] Buffer I/O error on device sdb1, logical block 28
[ 3345.199410] Buffer I/O error on device sdb1, logical block 29
[ 3346.132232] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3346.132241] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3346.132250] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3346.132261] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3346.132273] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 77 00 00 08 00
[ 3346.132298] end_request: I/O error, dev sdb, sector 119
[ 3347.066578] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3347.066587] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3347.066596] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3347.066607] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3347.066619] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 b7 00 00 08 00
[ 3347.066643] end_request: I/O error, dev sdb, sector 183
[ 3347.998998] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3347.999006] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3347.999015] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3347.999026] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3347.999038] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 b7 00 00 08 00
[ 3347.999063] end_request: I/O error, dev sdb, sector 183
[ 3348.932385] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3348.932394] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3348.932404] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3348.932414] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3348.932427] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 b7 00 00 08 00
[ 3348.932451] end_request: I/O error, dev sdb, sector 183
[ 3348.932461] __ratelimit: 14 callbacks suppressed
[ 3348.932469] Buffer I/O error on device sdb1, logical block 60
[ 3348.932478] Buffer I/O error on device sdb1, logical block 61
[ 3348.932484] Buffer I/O error on device sdb1, logical block 62
[ 3348.932491] Buffer I/O error on device sdb1, logical block 63
[ 3349.866205] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3349.866214] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3349.866223] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3349.866234] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3349.866246] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 b7 00 00 08 00
[ 3349.866271] end_request: I/O error, dev sdb, sector 183
[ 3349.866283] Buffer I/O error on device sdb1, logical block 60
[ 3349.866291] Buffer I/O error on device sdb1, logical block 61
[ 3349.866298] Buffer I/O error on device sdb1, logical block 62
[ 3349.866305] Buffer I/O error on device sdb1, logical block 63
[ 3350.799259] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3350.799268] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3350.799277] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3350.799288] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3350.799300] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 3350.799325] end_request: I/O error, dev sdb, sector 63
[ 3350.799337] Buffer I/O error on device sdb1, logical block 0
[ 3350.799346] Buffer I/O error on device sdb1, logical block 1
[ 3351.732872] sd 9:0:0:0: [sdb] Unhandled sense code
[ 3351.732881] sd 9:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 3351.732890] sd 9:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 3351.732901] sd 9:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 3351.732913] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 3351.732937] end_request: I/O error, dev sdb, sector 63
[ 3352.361859] usb 2-3: USB disconnect, address 6
[ 3352.362185] sd 9:0:0:0: [sdb] Unhandled error code
[ 3352.362193] sd 9:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
[ 3352.362202] sd 9:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 47 00 00 08 00
[ 3352.362226] end_request: I/O error, dev sdb, sector 71
[ 4000.084145] usb 2-3: new high speed USB device using ehci_hcd and address 7
[ 4000.218951] usb 2-3: configuration #1 chosen from 1 choice
[ 4000.220259] scsi10 : SCSI emulation for USB Mass Storage devices
[ 4000.220672] usb-storage: device found at 7
[ 4000.220678] usb-storage: waiting for device to settle before scanning
[ 4005.220432] usb-storage: device scan complete
[ 4005.221179] scsi 10:0:0:0: Direct-Access Hitachi HTS545025B9A300 PQ: 0 ANSI: 0
[ 4005.222172] sd 10:0:0:0: Attached scsi generic sg2 type 0
[ 4005.225350] sd 10:0:0:0: [sdb] 488397168 512-byte logical blocks: (250 GB/232 GiB)
[ 4005.226760] sd 10:0:0:0: [sdb] Write Protect is off
[ 4005.226769] sd 10:0:0:0: [sdb] Mode Sense: 03 00 00 00
[ 4005.226775] sd 10:0:0:0: [sdb] Assuming drive cache: write through
[ 4005.230516] sd 10:0:0:0: [sdb] Assuming drive cache: write through
[ 4005.230522] sdb: sdb1
[ 4005.255441] sd 10:0:0:0: [sdb] Assuming drive cache: write through
[ 4005.255452] sd 10:0:0:0: [sdb] Attached SCSI disk
[ 4008.939351] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4008.939361] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4008.939370] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4008.939381] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4008.939394] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 20 00
[ 4008.939419] end_request: I/O error, dev sdb, sector 0
[ 4008.939429] __ratelimit: 10 callbacks suppressed
[ 4008.939435] Buffer I/O error on device sdb, logical block 0
[ 4008.939449] Buffer I/O error on device sdb, logical block 1
[ 4008.939456] Buffer I/O error on device sdb, logical block 2
[ 4008.939462] Buffer I/O error on device sdb, logical block 3
[ 4009.872744] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4009.872753] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4009.872761] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4009.872772] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4009.872785] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
[ 4009.872809] end_request: I/O error, dev sdb, sector 0
[ 4009.872820] Buffer I/O error on device sdb, logical block 0
[ 4010.806120] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4010.806129] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4010.806138] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4010.806149] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4010.806162] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4010.806186] end_request: I/O error, dev sdb, sector 63
[ 4010.806198] Buffer I/O error on device sdb1, logical block 0
[ 4010.806207] Buffer I/O error on device sdb1, logical block 1
[ 4010.806214] Buffer I/O error on device sdb1, logical block 2
[ 4010.806220] Buffer I/O error on device sdb1, logical block 3
[ 4011.739493] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4011.739502] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4011.739511] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4011.739522] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4011.739535] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 02 00
[ 4011.739559] end_request: I/O error, dev sdb, sector 63
[ 4011.739571] Buffer I/O error on device sdb1, logical block 0
[ 4012.673811] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4012.673820] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4012.673829] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4012.673840] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4012.673853] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 41 00 00 02 00
[ 4012.673877] end_request: I/O error, dev sdb, sector 65
[ 4013.606687] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4013.606696] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4013.606705] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4013.606716] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4013.606728] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
[ 4013.606753] end_request: I/O error, dev sdb, sector 0
[ 4014.540064] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4014.540074] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4014.540083] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4014.540094] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4014.540106] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 43 00 00 04 00
[ 4014.540130] end_request: I/O error, dev sdb, sector 67
[ 4014.540140] __ratelimit: 2 callbacks suppressed
[ 4014.540148] Buffer I/O error on device sdb1, logical block 2
[ 4014.540157] Buffer I/O error on device sdb1, logical block 3
[ 4015.473369] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4015.473378] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4015.473387] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4015.473397] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4015.473410] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4015.473434] end_request: I/O error, dev sdb, sector 63
[ 4015.473446] Buffer I/O error on device sdb1, logical block 0
[ 4015.473455] Buffer I/O error on device sdb1, logical block 1
[ 4015.473462] Buffer I/O error on device sdb1, logical block 2
[ 4015.473469] Buffer I/O error on device sdb1, logical block 3
[ 4016.406496] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4016.406505] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4016.406514] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4016.406525] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4016.406537] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4016.406561] end_request: I/O error, dev sdb, sector 63
[ 4016.406573] Buffer I/O error on device sdb1, logical block 0
[ 4016.406583] Buffer I/O error on device sdb1, logical block 1
[ 4016.406590] Buffer I/O error on device sdb1, logical block 2
[ 4016.406596] Buffer I/O error on device sdb1, logical block 3
[ 4017.339863] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4017.339871] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4017.339880] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4017.339891] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4017.339904] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4017.339928] end_request: I/O error, dev sdb, sector 63
[ 4018.273246] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4018.273255] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4018.273265] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4018.273275] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4018.273288] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4018.273312] end_request: I/O error, dev sdb, sector 63
[ 4019.206621] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4019.206630] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4019.206640] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4019.206650] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4019.206663] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4019.206687] end_request: I/O error, dev sdb, sector 63
[ 4020.139989] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4020.139997] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4020.140040] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4020.140052] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4020.140066] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4020.140102] end_request: I/O error, dev sdb, sector 63
[ 4020.140113] __ratelimit: 12 callbacks suppressed
[ 4020.140121] Buffer I/O error on device sdb1, logical block 0
[ 4020.140131] Buffer I/O error on device sdb1, logical block 1
[ 4020.140139] Buffer I/O error on device sdb1, logical block 2
[ 4020.140146] Buffer I/O error on device sdb1, logical block 3
[ 4021.073372] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4021.073381] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4021.073390] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4021.073401] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4021.073413] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4021.073437] end_request: I/O error, dev sdb, sector 63
[ 4021.073449] Buffer I/O error on device sdb1, logical block 0
[ 4021.073458] Buffer I/O error on device sdb1, logical block 1
[ 4021.073464] Buffer I/O error on device sdb1, logical block 2
[ 4021.073471] Buffer I/O error on device sdb1, logical block 3
[ 4022.006746] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4022.006755] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4022.006763] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4022.006774] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4022.006787] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 77 00 00 08 00
[ 4022.006811] end_request: I/O error, dev sdb, sector 119
[ 4022.006823] Buffer I/O error on device sdb1, logical block 28
[ 4022.006832] Buffer I/O error on device sdb1, logical block 29
[ 4022.940081] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4022.940089] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4022.940099] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4022.940109] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4022.940122] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4022.940147] end_request: I/O error, dev sdb, sector 63
[ 4023.873493] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4023.873502] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4023.873511] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4023.873522] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4023.873534] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4023.873558] end_request: I/O error, dev sdb, sector 63
[ 4024.806870] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4024.806879] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4024.806888] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4024.806898] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4024.806911] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 44 bf 00 00 08 00
[ 4024.806935] end_request: I/O error, dev sdb, sector 488391871
[ 4025.740233] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4025.740242] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4025.740251] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4025.740262] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4025.740274] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 6f 00 00 08 00
[ 4025.740299] end_request: I/O error, dev sdb, sector 488392047
[ 4025.740308] __ratelimit: 14 callbacks suppressed
[ 4025.740316] Buffer I/O error on device sdb1, logical block 244195992
[ 4025.740324] Buffer I/O error on device sdb1, logical block 244195993
[ 4025.740330] Buffer I/O error on device sdb1, logical block 244195994
[ 4025.740337] Buffer I/O error on device sdb1, logical block 244195995
[ 4026.673618] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4026.673627] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4026.673637] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4026.673647] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4026.673660] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4026.673684] end_request: I/O error, dev sdb, sector 63
[ 4026.673696] Buffer I/O error on device sdb1, logical block 0
[ 4026.673705] Buffer I/O error on device sdb1, logical block 1
[ 4026.673712] Buffer I/O error on device sdb1, logical block 2
[ 4026.673718] Buffer I/O error on device sdb1, logical block 3
[ 4027.607436] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4027.607445] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4027.607455] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4027.607465] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4027.607478] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 47 00 00 08 00
[ 4027.607502] end_request: I/O error, dev sdb, sector 71
[ 4027.607514] Buffer I/O error on device sdb1, logical block 4
[ 4027.607523] Buffer I/O error on device sdb1, logical block 5
[ 4028.540815] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4028.540823] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4028.540833] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4028.540843] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4028.540856] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4028.540881] end_request: I/O error, dev sdb, sector 488392063
[ 4029.474310] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4029.474319] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4029.474329] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4029.474339] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4029.474352] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4029.474376] end_request: I/O error, dev sdb, sector 488392063
[ 4030.407243] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4030.407252] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4030.407261] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4030.407272] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4030.407284] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4030.407309] end_request: I/O error, dev sdb, sector 488392063
[ 4031.340618] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4031.340626] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4031.340635] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4031.340646] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4031.340659] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4031.340683] end_request: I/O error, dev sdb, sector 488392063
[ 4031.340693] __ratelimit: 5 callbacks suppressed
[ 4031.340700] Buffer I/O error on device sdb1, logical block 244196000
[ 4032.273996] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4032.274004] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4032.274014] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4032.274025] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4032.274037] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4032.274061] end_request: I/O error, dev sdb, sector 488392063
[ 4032.274073] Buffer I/O error on device sdb1, logical block 244196000
[ 4033.207866] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4033.207874] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4033.207883] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4033.207894] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4033.207906] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4033.207930] end_request: I/O error, dev sdb, sector 488392063
[ 4033.207943] Buffer I/O error on device sdb1, logical block 244196000
[ 4034.140744] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4034.140753] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4034.140762] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4034.140773] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4034.140785] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 3f 00 00 08 00
[ 4034.140810] end_request: I/O error, dev sdb, sector 488391999
[ 4034.140822] Buffer I/O error on device sdb1, logical block 244195968
[ 4034.140831] Buffer I/O error on device sdb1, logical block 244195969
[ 4034.140838] Buffer I/O error on device sdb1, logical block 244195970
[ 4034.140844] Buffer I/O error on device sdb1, logical block 244195971
[ 4035.074120] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4035.074129] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4035.074137] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4035.074148] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4035.074161] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 6f 00 00 08 00
[ 4035.074185] end_request: I/O error, dev sdb, sector 488392047
[ 4035.074197] Buffer I/O error on device sdb1, logical block 244195992
[ 4035.074207] Buffer I/O error on device sdb1, logical block 244195993
[ 4035.074213] Buffer I/O error on device sdb1, logical block 244195994
[ 4036.007481] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4036.007490] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4036.007499] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4036.007509] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4036.007522] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 47 00 00 08 00
[ 4036.007547] end_request: I/O error, dev sdb, sector 71
[ 4036.940802] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4036.940806] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4036.940809] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4036.940814] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4036.940819] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 47 00 00 08 00
[ 4036.940829] end_request: I/O error, dev sdb, sector 71
[ 4037.874381] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4037.874389] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4037.874399] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4037.874409] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4037.874422] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4037.874446] end_request: I/O error, dev sdb, sector 488392063
[ 4037.874456] __ratelimit: 9 callbacks suppressed
[ 4037.874464] Buffer I/O error on device sdb1, logical block 244196000
[ 4038.807592] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4038.807600] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4038.807609] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4038.807620] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4038.807632] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 7f 00 00 02 00
[ 4038.807656] end_request: I/O error, dev sdb, sector 488392063
[ 4038.807668] Buffer I/O error on device sdb1, logical block 244196000
[ 4039.740939] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4039.740942] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4039.740946] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4039.740951] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4039.740956] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 1d 1c 45 77 00 00 08 00
[ 4039.740966] end_request: I/O error, dev sdb, sector 488392055
[ 4039.740971] Buffer I/O error on device sdb1, logical block 244195996
[ 4039.740975] Buffer I/O error on device sdb1, logical block 244195997
[ 4039.740978] Buffer I/O error on device sdb1, logical block 244195998
[ 4039.740980] Buffer I/O error on device sdb1, logical block 244195999
[ 4040.674815] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4040.674825] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4040.674834] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4040.674845] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4040.674857] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4040.674881] end_request: I/O error, dev sdb, sector 63
[ 4040.674893] Buffer I/O error on device sdb1, logical block 0
[ 4040.674902] Buffer I/O error on device sdb1, logical block 1
[ 4040.674909] Buffer I/O error on device sdb1, logical block 2
[ 4040.674915] Buffer I/O error on device sdb1, logical block 3
[ 4041.607744] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4041.607752] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4041.607762] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4041.607772] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4041.607785] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4041.607809] end_request: I/O error, dev sdb, sector 63
[ 4042.541624] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4042.541633] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4042.541642] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4042.541653] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4042.541666] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4042.541690] end_request: I/O error, dev sdb, sector 63
[ 4043.474996] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4043.475005] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4043.475015] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4043.475025] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4043.475038] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4043.475062] end_request: I/O error, dev sdb, sector 63
[ 4044.408446] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4044.408455] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4044.408464] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4044.408475] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4044.408487] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4044.408512] end_request: I/O error, dev sdb, sector 63
[ 4044.408521] __ratelimit: 12 callbacks suppressed
[ 4044.408529] Buffer I/O error on device sdb1, logical block 0
[ 4044.408539] Buffer I/O error on device sdb1, logical block 1
[ 4044.408545] Buffer I/O error on device sdb1, logical block 2
[ 4044.408552] Buffer I/O error on device sdb1, logical block 3
[ 4045.341751] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4045.341760] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4045.341769] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4045.341780] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4045.341793] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4045.341817] end_request: I/O error, dev sdb, sector 63
[ 4045.341829] Buffer I/O error on device sdb1, logical block 0
[ 4045.341838] Buffer I/O error on device sdb1, logical block 1
[ 4045.341844] Buffer I/O error on device sdb1, logical block 2
[ 4045.341851] Buffer I/O error on device sdb1, logical block 3
[ 4046.274744] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4046.274753] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4046.274763] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4046.274773] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4046.274786] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 00 3f 00 00 08 00
[ 4046.274810] end_request: I/O error, dev sdb, sector 63
[ 4046.274822] Buffer I/O error on device sdb1, logical block 0
[ 4046.274831] Buffer I/O error on device sdb1, logical block 1
[ 4047.209067] sd 10:0:0:0: [sdb] Unhandled sense code
[ 4047.209076] sd 10:0:0:0: [sdb] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[ 4047.209085] sd 10:0:0:0: [sdb] Sense Key : Medium Error [current]
[ 4047.209096] sd 10:0:0:0: [sdb] Add. Sense: Address mark not found for id field
[ 4047.209109] sd 10:0:0:0: [sdb] CDB: Read(10): 28 00 00 00 08 3f 00 00 08 00
[ 4047.209133] end_request: I/O error, dev sdb, sector 2111
（硬盘应该是好的，在xp下和9.10下都是正常的。另外，能给我解释解释上面出错信息的意思吗？），在这先谢谢各位朋友了。