Code:
[ 3.826674] sd 0:0:0:0: [sda] 976773168 512-byte logical blocks: (500 GB/465 GiB)
[ 3.826755] sd 0:0:0:0: [sda] Write Protect is off
[ 3.826763] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[ 3.826801] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 10.342431] sd 0:0:0:0: [sda] Unhandled sense code
[ 10.342434] sd 0:0:0:0: [sda]
[ 10.342439] sd 0:0:0:0: [sda]
[ 10.342462] sd 0:0:0:0: [sda]
[ 10.342468] sd 0:0:0:0: [sda] CDB:
[ 10.342479] end_request: I/O error, dev sda, sector 0
[ 10.342538] Buffer I/O error on device sda, logical block 0
[ 15.566799] sd 0:0:0:0: [sda] Unhandled sense code
[ 15.566802] sd 0:0:0:0: [sda]
[ 15.566807] sd 0:0:0:0: [sda]
[ 15.566830] sd 0:0:0:0: [sda]
[ 15.566835] sd 0:0:0:0: [sda] CDB:
[ 15.566846] end_request: I/O error, dev sda, sector 0
[ 15.566917] Buffer I/O error on device sda, logical block 0
[ 20.483059] sd 0:0:0:0: [sda] Unhandled sense code
[ 20.483062] sd 0:0:0:0: [sda]
[ 20.483067] sd 0:0:0:0: [sda]
[ 20.483090] sd 0:0:0:0: [sda]
[ 20.483095] sd 0:0:0:0: [sda] CDB:
[ 20.483105] end_request: I/O error, dev sda, sector 0
[ 20.483177] Buffer I/O error on device sda, logical block 0
[ 25.010978] sd 0:0:0:0: [sda] Unhandled sense code
[ 25.010981] sd 0:0:0:0: [sda]
[ 25.010985] sd 0:0:0:0: [sda]
[ 25.011008] sd 0:0:0:0: [sda]
[ 25.011013] sd 0:0:0:0: [sda] CDB:
[ 25.011024] end_request: I/O error, dev sda, sector 0
[ 25.011095] Buffer I/O error on device sda, logical block 0
[ 30.815978] sd 0:0:0:0: [sda] Unhandled sense code
[ 30.815982] sd 0:0:0:0: [sda]
[ 30.815986] sd 0:0:0:0: [sda]
[ 30.816009] sd 0:0:0:0: [sda]
[ 30.816014] sd 0:0:0:0: [sda] CDB:
[ 30.816025] end_request: I/O error, dev sda, sector 0
[ 30.816096] Buffer I/O error on device sda, logical block 0
[ 36.020268] sd 0:0:0:0: [sda] Unhandled sense code
[ 36.020271] sd 0:0:0:0: [sda]
[ 36.020275] sd 0:0:0:0: [sda]
[ 36.020298] sd 0:0:0:0: [sda]
[ 36.020303] sd 0:0:0:0: [sda] CDB:
[ 36.020314] end_request: I/O error, dev sda, sector 0
[ 36.020386] Buffer I/O error on device sda, logical block 0
[ 40.848374] sd 0:0:0:0: [sda] Unhandled sense code
[ 40.848377] sd 0:0:0:0: [sda]
[ 40.848382] sd 0:0:0:0: [sda]
[ 40.848405] sd 0:0:0:0: [sda]
[ 40.848410] sd 0:0:0:0: [sda] CDB:
[ 40.848420] end_request: I/O error, dev sda, sector 0
[ 40.848493] Buffer I/O error on device sda, logical block 0
[ 45.528371] sd 0:0:0:0: [sda] Unhandled sense code
[ 45.528374] sd 0:0:0:0: [sda]
[ 45.528378] sd 0:0:0:0: [sda]
[ 45.528401] sd 0:0:0:0: [sda]
[ 45.528407] sd 0:0:0:0: [sda] CDB:
[ 45.528417] end_request: I/O error, dev sda, sector 0
[ 45.528490] Buffer I/O error on device sda, logical block 0
[ 50.668817] sd 0:0:0:0: [sda] Unhandled sense code
[ 50.668821] sd 0:0:0:0: [sda]
[ 50.668825] sd 0:0:0:0: [sda]
[ 50.668848] sd 0:0:0:0: [sda]
[ 50.668854] sd 0:0:0:0: [sda] CDB:
[ 50.668864] end_request: I/O error, dev sda, sector 0
[ 50.668936] Buffer I/O error on device sda, logical block 0
[ 50.669045] Dev sda: unable to read RDB block 0
[ 55.436797] sd 0:0:0:0: [sda] Unhandled sense code
[ 55.436800] sd 0:0:0:0: [sda]
[ 55.436804] sd 0:0:0:0: [sda]
[ 55.436827] sd 0:0:0:0: [sda]
[ 55.436832] sd 0:0:0:0: [sda] CDB:
[ 55.436843] end_request: I/O error, dev sda, sector 0
[ 55.436915] Buffer I/O error on device sda, logical block 0
[ 59.608469] sd 0:0:0:0: [sda] Unhandled sense code
[ 59.608472] sd 0:0:0:0: [sda]
[ 59.608476] sd 0:0:0:0: [sda]
[ 59.608499] sd 0:0:0:0: [sda]
[ 59.608505] sd 0:0:0:0: [sda] CDB:
[ 59.608515] end_request: I/O error, dev sda, sector 0
[ 59.608587] Buffer I/O error on device sda, logical block 0
[ 69.240598] sd 0:0:0:0: [sda] Unhandled sense code
[ 69.240602] sd 0:0:0:0: [sda]
[ 69.240606] sd 0:0:0:0: [sda]
[ 69.240629] sd 0:0:0:0: [sda]
[ 69.240635] sd 0:0:0:0: [sda] CDB:
[ 69.240645] end_request: I/O error, dev sda, sector 24
[ 69.240718] Buffer I/O error on device sda, logical block 3
[ 78.192273] sd 0:0:0:0: [sda] Unhandled sense code
[ 78.192276] sd 0:0:0:0: [sda]
[ 78.192280] sd 0:0:0:0: [sda]
[ 78.192303] sd 0:0:0:0: [sda]
[ 78.192309] sd 0:0:0:0: [sda] CDB:
[ 78.192319] end_request: I/O error, dev sda, sector 24
[ 78.192392] Buffer I/O error on device sda, logical block 3
[ 83.332613] sd 0:0:0:0: [sda] Unhandled sense code
[ 83.332616] sd 0:0:0:0: [sda]
[ 83.332621] sd 0:0:0:0: [sda]
[ 83.332644] sd 0:0:0:0: [sda]
[ 83.332649] sd 0:0:0:0: [sda] CDB:
[ 83.332660] end_request: I/O error, dev sda, sector 0
[ 83.332732] Buffer I/O error on device sda, logical block 0
[ 83.332840] sda: unable to read partition table
[ 83.333064] sda: detected capacity change from 0 to 500107862016
[ 83.333128] sd 0:0:0:0: [sda] Attached SCSI disk
[ 88.537043] sd 0:0:0:0: [sda] Unhandled sense code
[ 88.537046] sd 0:0:0:0: [sda]
[ 88.537051] sd 0:0:0:0: [sda]
[ 88.537075] sd 0:0:0:0: [sda]
[ 88.537081] sd 0:0:0:0: [sda] CDB:
[ 88.537092] end_request: I/O error, dev sda, sector 0
[ 88.537164] Buffer I/O error on device sda, logical block 0
[ 93.673429] sd 0:0:0:0: [sda] Unhandled sense code
[ 93.673432] sd 0:0:0:0: [sda]
[ 93.673436] sd 0:0:0:0: [sda]
[ 93.673459] sd 0:0:0:0: [sda]
[ 93.673464] sd 0:0:0:0: [sda] CDB:
[ 93.673475] end_request: I/O error, dev sda, sector 0
[ 93.673546] Buffer I/O error on device sda, logical block 0
[ 102.617024] sd 0:0:0:0: [sda] Unhandled sense code
[ 102.617027] sd 0:0:0:0: [sda]
[ 102.617032] sd 0:0:0:0: [sda]
[ 102.617055] sd 0:0:0:0: [sda]
[ 102.617060] sd 0:0:0:0: [sda] CDB:
[ 102.617070] end_request: I/O error, dev sda, sector 8
[ 102.617142] Buffer I/O error on device sda, logical block 1
[ 111.556625] sd 0:0:0:0: [sda] Unhandled sense code
[ 111.556628] sd 0:0:0:0: [sda]
[ 111.556633] sd 0:0:0:0: [sda]
[ 111.556655] sd 0:0:0:0: [sda]
[ 111.556661] sd 0:0:0:0: [sda] CDB:
[ 111.556671] end_request: I/O error, dev sda, sector 8
[ 111.556743] Buffer I/O error on device sda, logical block 1
[ 120.556264] sd 0:0:0:0: [sda] Unhandled sense code
[ 120.556267] sd 0:0:0:0: [sda]
[ 120.556272] sd 0:0:0:0: [sda]
[ 120.556295] sd 0:0:0:0: [sda]
[ 120.556300] sd 0:0:0:0: [sda] CDB:
[ 120.556311] end_request: I/O error, dev sda, sector 8
[ 120.556383] Buffer I/O error on device sda, logical block 1
[ 129.495876] sd 0:0:0:0: [sda] Unhandled sense code
[ 129.495879] sd 0:0:0:0: [sda]
[ 129.495884] sd 0:0:0:0: [sda]
[ 129.495907] sd 0:0:0:0: [sda]
[ 129.495912] sd 0:0:0:0: [sda] CDB:
[ 129.495923] end_request: I/O error, dev sda, sector 8
[ 129.495996] Buffer I/O error on device sda, logical block 1
[ 134.636231] sd 0:0:0:0: [sda] Unhandled sense code
[ 134.636234] sd 0:0:0:0: [sda]
[ 134.636239] sd 0:0:0:0: [sda]
[ 134.636261] sd 0:0:0:0: [sda]
[ 134.636267] sd 0:0:0:0: [sda] CDB:
[ 134.636277] end_request: I/O error, dev sda, sector 0
[ 134.636349] Buffer I/O error on device sda, logical block 0
[ 139.772637] sd 0:0:0:0: [sda] Unhandled sense code
[ 139.772640] sd 0:0:0:0: [sda]
[ 139.772645] sd 0:0:0:0: [sda]
[ 139.772668] sd 0:0:0:0: [sda]
[ 139.772673] sd 0:0:0:0: [sda] CDB:
[ 139.772684] end_request: I/O error, dev sda, sector 0
[ 139.772756] Buffer I/O error on device sda, logical block 0
[ 144.908989] sd 0:0:0:0: [sda] Unhandled sense code
[ 144.908992] sd 0:0:0:0: [sda]
[ 144.908997] sd 0:0:0:0: [sda]
[ 144.909019] sd 0:0:0:0: [sda]
[ 144.909025] sd 0:0:0:0: [sda] CDB:
[ 144.909035] end_request: I/O error, dev sda, sector 0
[ 144.909106] Buffer I/O error on device sda, logical block 0
[ 150.050897] sd 0:0:0:0: [sda] Unhandled sense code
[ 150.050900] sd 0:0:0:0: [sda]
[ 150.050905] sd 0:0:0:0: [sda]
[ 150.050928] sd 0:0:0:0: [sda]
[ 150.050933] sd 0:0:0:0: [sda] CDB:
[ 150.050944] end_request: I/O error, dev sda, sector 0
[ 150.051014] Buffer I/O error on device sda, logical block 0
[ 156.778881] sd 0:0:0:0: [sda] Unhandled sense code
[ 156.778884] sd 0:0:0:0: [sda]
[ 156.778889] sd 0:0:0:0: [sda]
[ 156.778913] sd 0:0:0:0: [sda]
[ 156.778919] sd 0:0:0:0: [sda] CDB:
[ 156.778930] end_request: I/O error, dev sda, sector 0
[ 156.778981] Buffer I/O error on device sda, logical block 0
[ 161.915605] sd 0:0:0:0: [sda] Unhandled sense code
[ 161.915609] sd 0:0:0:0: [sda]
[ 161.915614] sd 0:0:0:0: [sda]
[ 161.915637] sd 0:0:0:0: [sda]
[ 161.915643] sd 0:0:0:0: [sda] CDB:
[ 161.915654] end_request: I/O error, dev sda, sector 0
[ 161.915705] Buffer I/O error on device sda, logical block 0
[ 170.860954] sd 0:0:0:0: [sda] Unhandled sense code
[ 170.860957] sd 0:0:0:0: [sda]
[ 170.860962] sd 0:0:0:0: [sda]
[ 170.860986] sd 0:0:0:0: [sda]
[ 170.860992] sd 0:0:0:0: [sda] CDB:
[ 170.861003] end_request: I/O error, dev sda, sector 8
[ 170.862024] Buffer I/O error on device sda, logical block 1
[ 179.818735] sd 0:0:0:0: [sda] Unhandled sense code
[ 179.818739] sd 0:0:0:0: [sda]
[ 179.818744] sd 0:0:0:0: [sda]
[ 179.818767] sd 0:0:0:0: [sda]
[ 179.818773] sd 0:0:0:0: [sda] CDB:
[ 179.818784] end_request: I/O error, dev sda, sector 8
[ 179.820158] Buffer I/O error on device sda, logical block 1
[ 188.828333] sd 0:0:0:0: [sda] Unhandled sense code
[ 188.828336] sd 0:0:0:0: [sda]
[ 188.828341] sd 0:0:0:0: [sda]
[ 188.828364] sd 0:0:0:0: [sda]
[ 188.828370] sd 0:0:0:0: [sda] CDB:
[ 188.828381] end_request: I/O error, dev sda, sector 8
[ 188.829991] Buffer I/O error on device sda, logical block 1
[ 197.781623] sd 0:0:0:0: [sda] Unhandled sense code
[ 197.781626] sd 0:0:0:0: [sda]
[ 197.781631] sd 0:0:0:0: [sda]
[ 197.781654] sd 0:0:0:0: [sda]
[ 197.781660] sd 0:0:0:0: [sda] CDB:
[ 197.781671] end_request: I/O error, dev sda, sector 8
[ 197.783415] Buffer I/O error on device sda, logical block 1
[ 202.609601] sd 0:0:0:0: [sda] Unhandled sense code
[ 202.609604] sd 0:0:0:0: [sda]
[ 202.609609] sd 0:0:0:0: [sda]
[ 202.609633] sd 0:0:0:0: [sda]
[ 202.609639] sd 0:0:0:0: [sda] CDB:
[ 202.609650] end_request: I/O error, dev sda, sector 0
[ 202.611363] Buffer I/O error on device sda, logical block 0
[ 208.959097] sd 0:0:0:0: [sda] Unhandled sense code
[ 208.959101] sd 0:0:0:0: [sda]
[ 208.959106] sd 0:0:0:0: [sda]
[ 208.959129] sd 0:0:0:0: [sda]
[ 208.959135] sd 0:0:0:0: [sda] CDB:
[ 208.959146] end_request: I/O error, dev sda, sector 0
[ 208.960866] Buffer I/O error on device sda, logical block 0
[ 214.107669] sd 0:0:0:0: [sda] Unhandled sense code
[ 214.107672] sd 0:0:0:0: [sda]
[ 214.107677] sd 0:0:0:0: [sda]
[ 214.107698] sd 0:0:0:0: [sda]
[ 214.107703] sd 0:0:0:0: [sda] CDB:
[ 214.107714] end_request: I/O error, dev sda, sector 0
[ 214.109325] Buffer I/O error on device sda, logical block 0
[ 219.268521] sd 0:0:0:0: [sda] Unhandled sense code
[ 219.268524] sd 0:0:0:0: [sda]
[ 219.268529] sd 0:0:0:0: [sda]
[ 219.268550] sd 0:0:0:0: [sda]
[ 219.268556] sd 0:0:0:0: [sda] CDB:
[ 219.268566] end_request: I/O error, dev sda, sector 0
[ 219.270218] Buffer I/O error on device sda, logical block 0
[ 225.665542] sd 0:0:0:0: [sda] Unhandled sense code
[ 225.665545] sd 0:0:0:0: [sda]
[ 225.665550] sd 0:0:0:0: [sda]
[ 225.665573] sd 0:0:0:0: [sda]
[ 225.665579] sd 0:0:0:0: [sda] CDB:
[ 225.665590] end_request: I/O error, dev sda, sector 0
[ 230.870303] sd 0:0:0:0: [sda] Unhandled sense code
[ 230.870307] sd 0:0:0:0: [sda]
[ 230.870312] sd 0:0:0:0: [sda]
[ 230.870335] sd 0:0:0:0: [sda]
[ 230.870341] sd 0:0:0:0: [sda] CDB:
[ 230.870352] end_request: I/O error, dev sda, sector 0
[ 239.821621] sd 0:0:0:0: [sda] Unhandled sense code
[ 239.821624] sd 0:0:0:0: [sda]
[ 239.821628] sd 0:0:0:0: [sda]
[ 239.821650] sd 0:0:0:0: [sda]
[ 239.821655] sd 0:0:0:0: [sda] CDB:
[ 239.821666] end_request: I/O error, dev sda, sector 8
[ 244.969871] sd 0:0:0:0: [sda] Unhandled sense code
[ 244.969874] sd 0:0:0:0: [sda]
[ 244.969879] sd 0:0:0:0: [sda]
[ 244.969900] sd 0:0:0:0: [sda]
[ 244.969906] sd 0:0:0:0: [sda] CDB:
[ 244.969916] end_request: I/O error, dev sda, sector 0
[ 250.342758] sd 0:0:0:0: [sda] Unhandled sense code
[ 250.342761] sd 0:0:0:0: [sda]
[ 250.342766] sd 0:0:0:0: [sda]
[ 250.342789] sd 0:0:0:0: [sda]
[ 250.342795] sd 0:0:0:0: [sda] CDB:
[ 250.342806] end_request: I/O error, dev sda, sector 0
[ 255.547278] sd 0:0:0:0: [sda] Unhandled sense code
[ 255.547281] sd 0:0:0:0: [sda]
[ 255.547286] sd 0:0:0:0: [sda]
[ 255.547309] sd 0:0:0:0: [sda]
[ 255.547315] sd 0:0:0:0: [sda] CDB:
[ 255.547326] end_request: I/O error, dev sda, sector 0
[ 264.498595] sd 0:0:0:0: [sda] Unhandled sense code
[ 264.498599] sd 0:0:0:0: [sda]
[ 264.498605] sd 0:0:0:0: [sda]
[ 264.498628] sd 0:0:0:0: [sda]
[ 264.498634] sd 0:0:0:0: [sda] CDB:
[ 264.498645] end_request: I/O error, dev sda, sector 8
[ 269.651074] sd 0:0:0:0: [sda] Unhandled sense code
[ 269.651077] sd 0:0:0:0: [sda]
[ 269.651082] sd 0:0:0:0: [sda]
[ 269.651104] sd 0:0:0:0: [sda]
[ 269.651109] sd 0:0:0:0: [sda] CDB:
[ 269.651120] end_request: I/O error, dev sda, sector 0
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