[Bug 657509] Re: DRM: Invalid EDID Checksum - External Monitor DVI -D not recognized by Kernel / Intel Graphisc Driver

[Corné Verbruggen]

Well, i DO get the same messages:

[   91.665785] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 72
[   91.665789] [drm:drm_edid_block_valid] *ERROR* Raw EDID:
[   91.665792] <3>f8 f8 f8 00 00 00 00 ff ff ff ff ff ff ff ff ff  ................
[   91.665793] <3>ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 00  ................
[   91.665795] <3>00 00 00 00 4c 4c 4c 4c 2d 2d 2d 2d ae ae ae ae  ....LLLL----....
[   91.665796] <3>01 01 01 01 30 30 30 30 32 32 32 32 52 52 52 52  ....00002222RRRR
[   91.665797] <3>42 42 42 42 24 24 24 24 0f 0f 0f 0f 01 01 01 01  BBBB$$$$........
[   91.665799] <3>03 03 03 03 80 80 80 80 29 29 29 29 1f 1f 1f 1f  ........))))....
[   91.665800] <3>78 78 78 78 2a 2a 2a 2a ee ee ee ee 95 95 95 95  xxxx****........
[   91.665801] <3>a3 a3 a3 a3 54 54 54 54 4c 4c 4c 4c 99 99 99 99  ....TTTTLLLL....
[   91.665802] 
[   91.730098] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 230
[   91.730100] [drm:drm_edid_block_valid] *ERROR* Raw EDID:
[   91.730101] <3>26 26 26 26 0f 0f 0f 0f 50 50 50 50 54 54 54 54  &&&&....PPPPTTTT
[   91.730102] <3>bf bf bf bf ef ef ef ef 80 80 80 80 a9 a9 a9 a9  ................
[   91.730104] <3>40 40 40 40 81 81 81 81 80 80 80 80 81 81 81 81  @@@@............
[   91.730105] <3>40 40 40 40 71 71 71 71 4f 4f 4f 4f 01 01 01 01  @@@@qqqqOOOO....
[   91.730106] <3>01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01  ................
[   91.730108] <3>01 01 01 01 01 01 01 01 01 01 01 01 48 48 48 48  ............HHHH
[   91.730109] <3>3f 3f 3f 3f 40 40 40 40 30 30 30 30 30 62 62 62  ????@@@@00000bbb
[   91.730110] <3>62 62 b0 b0 b0 b0 32 32 32 32 40 40 40 40 40 40  bb....2222@@@@@@
[   91.730111] 
[   91.796170] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 72
[   91.796171] [drm:drm_edid_block_valid] *ERROR* Raw EDID:
[   91.796174] <3>c0 c0 c0 c0 13 13 13 13 00 00 00 00 98 98 98 98  ................
[   91.796175] <3>32 32 32 32 11 11 11 11 00 00 00 00 00 00 00 00  2222............
[   91.796176] <3>1e 1e 1e 1e 00 00 00 00 00 00 00 00 00 00 00 00  ................
[   91.796178] <3>fd fd fd fd 00 00 00 00 38 38 38 38 4b 4b 4b 4b  ........8888KKKK
[   91.796179] <3>1e 1e 1e 1e 51 51 51 51 11 11 11 11 00 00 00 00  ....QQQQ........
[   91.796180] <3>0a 0a 0a 0a 20 20 20 20 20 20 20 20 20 20 20 20  ....            
[   91.796181] <3>20 20 20 20 20 20 20 20 20 20 20 20 00 00 00 00              ....
[   91.796183] <3>00 00 00 00 00 00 00 00 fc fc fc fc 00 00 00 00  ................
[   91.796184] 
[   91.861438] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 52
[   91.861440] [drm:drm_edid_block_valid] *ERROR* Raw EDID:
[   91.861441] <3>53 53 53 53 79 79 79 79 6e 6e 6e 6e 63 63 63 63  SSSSyyyynnnncccc
[   91.861442] <3>4d 4d 4d 4d 61 61 61 61 73 73 73 73 74 74 74 74  MMMMaaaasssstttt
[   91.861444] <3>65 65 65 65 72 72 72 72 0a 0a 0a 0a 20 20 20 20  eeeerrrr....    
[   91.861445] <3>20 20 20 20 00 00 00 00 00 00 00 00 00 00 00 00      ............
[   91.861446] <3>ff ff ff ff 00 00 00 00 48 48 48 48 53 53 53 53  ........HHHHSSSS
[   91.861447] <3>43 43 43 43 59 59 59 59 39 39 39 39 30 30 30 30  CCCCYYYY99990000
[   91.861449] <3>33 33 33 33 37 37 37 37 36 36 36 36 31 31 31 31  3333777766661111
[   91.861450] <3>0a 0a 0a 0a 20 20 20 20 20 20 20 20 00 00 00 00  ....        ....
[   91.861451] 
[   91.861453] i915 0000:00:02.0: DisplayPort-2: EDID block 1 invalid.

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DRM: Invalid EDID Checksum - External Monitor DVI -D not recognized by Kernel / Intel Graphisc Driver
https://bugs.launchpad.net/bugs/657509
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