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Message-Id: <200803072009.22551.gml@inode.at> Date: Fri, 7 Mar 2008 20:09:22 +0100 From: Gerold Jury <gml@...de.at> To: Tejun Heo <htejun@...il.com> Cc: Sergey Vlasov <vsu@...linux.ru>, Mike Galbraith <efault@....de>, linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org, linux-scsi@...r.kernel.org Subject: Re: extra bytes written to SATA DVD drive on kernel 2.6.23 till 2.6.24.2 Here it goes And the sequence is broken at address 000e1010. 00000000 2a 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 |*.......@.......| 00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| 00000020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 00000030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 00000040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 00000050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| --- skip 0001ffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 0001ffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 0001ffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 0001fff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 00020000 2a 00 00 00 00 40 00 00 40 00 00 00 00 40 00 00 |*....@..@....@..| 00020010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 00020020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 00020030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 00020040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 00020050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 00020060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 0003ffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 0003ffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 0003ffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 0003fff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 00040000 2a 00 00 00 00 80 00 00 40 00 00 00 00 80 00 00 |*.......@.......| 00040010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 00040020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 00040030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 00040040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 00040050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 00040060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 0005ffb0 c8 ff c9 ff ca ff cb ff cc ff cd ff ce ff cf ff |................| 0005ffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 0005ffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 0005ffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 0005fff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 00060000 2a 00 00 00 00 c0 00 00 40 00 00 00 00 c0 00 00 |*.......@.......| 00060010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 00060020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 00060030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 00060040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 00060050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 00060060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 0007ffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 0007ffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 0007ffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 0007fff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 00080000 2a 00 00 00 01 00 00 00 40 00 00 00 01 00 00 00 |*.......@.......| 00080010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 00080020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 00080030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 00080040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 00080050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 00080060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 0009ffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 0009ffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 0009fff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 000a0000 2a 00 00 00 01 40 00 00 40 00 00 00 01 40 00 00 |*....@..@....@..| 000a0010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 000a0020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 000a0030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 000a0040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 000a0050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 000a0060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 000bffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 000bffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 000bffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 000bfff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 000c0000 2a 00 00 00 01 80 00 00 40 00 00 00 01 80 00 00 |*.......@.......| 000c0010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 000c0020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 000c0030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 000c0040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 000c0050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 000c0060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip 000dffc0 d0 ff d1 ff d2 ff d3 ff d4 ff d5 ff d6 ff d7 ff |................| 000dffd0 d8 ff d9 ff da ff db ff dc ff dd ff de ff df ff |................| 000dffe0 e0 ff e1 ff e2 ff e3 ff e4 ff e5 ff e6 ff e7 ff |................| 000dfff0 e8 ff e9 ff ea ff eb ff ec ff ed ff ee ff ef ff |................| 000e0000 2a 00 00 00 01 c0 00 00 02 00 00 00 01 c0 00 00 |*...............| 000e0010 08 ff 09 ff 0a ff 0b ff 08 ff 09 ff 0a ff 0b ff |................| 000e0020 00 00 01 00 02 00 03 00 04 00 05 00 06 00 07 00 |................| 000e0030 08 00 09 00 0a 00 0b 00 0c 00 0d 00 0e 00 0f 00 |................| 000e0040 10 00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 |................| 000e0050 18 00 19 00 1a 00 1b 00 1c 00 1d 00 1e 00 1f 00 |................| 000e0060 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 | .!.".#.$.%.&.'.| --- skip to the not so funny part 000e0fc0 d0 07 d1 07 d2 07 d3 07 d4 07 d5 07 d6 07 d7 07 |................| 000e0fd0 d8 07 d9 07 da 07 db 07 dc 07 dd 07 de 07 df 07 |................| 000e0fe0 e0 07 e1 07 e2 07 e3 07 e4 07 e5 07 e6 07 e7 07 |................| 000e0ff0 e8 07 e9 07 ea 07 eb 07 ec 07 ed 07 ee 07 ef 07 |................| 000e1000 f0 07 f1 07 f2 07 f3 07 f4 07 f5 07 f6 07 f7 07 |................| 000e1010 f8 07 f9 07 fa 07 fb 07 2a 00 00 00 01 c2 00 00 |........*.......| 000e1020 3e 00 00 00 01 c2 00 00 08 07 09 07 0a 07 0b 07 |>...............| 000e1030 08 07 09 07 0a 07 0b 07 00 08 01 08 02 08 03 08 |................| 000e1040 04 08 05 08 06 08 07 08 08 08 09 08 0a 08 0b 08 |................| 000e1050 0c 08 0d 08 0e 08 0f 08 10 08 11 08 12 08 13 08 |................| 000e1060 14 08 15 08 16 08 17 08 18 08 19 08 1a 08 1b 08 |................| 000e1070 1c 08 1d 08 1e 08 1f 08 20 08 21 08 22 08 23 08 |........ .!.".#.| 000e1080 24 08 25 08 26 08 27 08 28 08 29 08 2a 08 2b 08 |$.%.&.'.(.).*.+.| --- skip 000fffa0 b4 ff b5 ff b6 ff b7 ff b8 ff b9 ff ba ff bb ff |................| 000fffb0 bc ff bd ff be ff bf ff c0 ff c1 ff c2 ff c3 ff |................| 000fffc0 c4 ff c5 ff c6 ff c7 ff c8 ff c9 ff ca ff cb ff |................| 000fffd0 cc ff cd ff ce ff cf ff d0 ff d1 ff d2 ff d3 ff |................| 000fffe0 d4 ff d5 ff d6 ff d7 ff d8 ff d9 ff da ff db ff |................| 000ffff0 dc ff dd ff de ff df ff e0 ff e1 ff e2 ff e3 ff |................| 00100000 Regards Gerold On Friday 07 March 2008 09:40:07 Tejun Heo wrote: >Hello, > >Gerold Jury wrote: >> Yes it happens with the DVD+RW (testet with dd now) and with DVD+R >> >> Thank you for the byte interpretation. >> Now I have a hint where to start with the debugging. > >I've tried to reproduce the problem here but failed. Can you please try >the test with the file generated with the attached program? "genseqfile >524288 > testfile" will give you 1 meg testfile and it will give us >better idea how the data is getting corrupted. > >Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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