Re: extra bytes written to SATA DVD drive on kernel 2.6.23 till 2.6.24.2
From: Gerold Jury
Date: Fri Mar 07 2008 - 14:06:59 EST
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.
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