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X11 will flicker with FC 15 nvidia GeForce GT 430/PCIe/SSE2 card , and monitor LG Flatron E2041. This error occurs a lot of time per seconds. The kernel message are: Apr 8 03:11:01 sedna kernel: [376645.968175] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:01 sedna kernel: [376645.968178] Raw EDID: Apr 8 03:11:01 sedna kernel: [376645.968179] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376645.968180] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:01 sedna kernel: [376645.968181] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376645.968182] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:01 sedna kernel: [376645.968183] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:01 sedna kernel: [376645.968184] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:01 sedna kernel: [376645.968185] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:01 sedna kernel: [376645.968186] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:01 sedna kernel: [376645.968189] nouveau 0000:04:00.0: VGA-1: EDID block 0 invalid. Apr 8 03:11:01 sedna kernel: [376645.968192] [drm] nouveau 0000:04:00.0: DDC responded, but no EDID for VGA-1 Apr 8 03:11:01 sedna kernel: [376646.135459] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:01 sedna kernel: [376646.135462] Raw EDID: Apr 8 03:11:01 sedna kernel: [376646.135463] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.135465] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:01 sedna kernel: [376646.135466] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.135467] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:01 sedna kernel: [376646.135468] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:01 sedna kernel: [376646.135469] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:01 sedna kernel: [376646.135470] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:01 sedna kernel: [376646.135471] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:01 sedna kernel: [376646.239410] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:01 sedna kernel: [376646.239412] Raw EDID: Apr 8 03:11:01 sedna kernel: [376646.239414] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.239415] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:01 sedna kernel: [376646.239416] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.239417] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:01 sedna kernel: [376646.239418] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:01 sedna kernel: [376646.239419] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:01 sedna kernel: [376646.239420] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:01 sedna kernel: [376646.239421] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:01 sedna kernel: [376646.343355] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:01 sedna kernel: [376646.343357] Raw EDID: Apr 8 03:11:01 sedna kernel: [376646.343359] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.343360] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:01 sedna kernel: [376646.343361] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.343362] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:01 sedna kernel: [376646.343363] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:01 sedna kernel: [376646.343364] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:01 sedna kernel: [376646.343365] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:01 sedna kernel: [376646.343366] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:01 sedna kernel: [376646.447350] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:01 sedna kernel: [376646.447352] Raw EDID: Apr 8 03:11:01 sedna kernel: [376646.447354] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.447355] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:01 sedna kernel: [376646.447356] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:01 sedna kernel: [376646.447357] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:01 sedna kernel: [376646.447358] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:01 sedna kernel: [376646.447359] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:01 sedna kernel: [376646.447360] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:01 sedna kernel: [376646.447361] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:01 sedna kernel: [376646.447364] nouveau 0000:04:00.0: VGA-1: EDID block 0 invalid. Apr 8 03:11:01 sedna kernel: [376646.447366] [drm] nouveau 0000:04:00.0: DDC responded, but no EDID for VGA-1 Apr 8 03:11:10 sedna kernel: [376654.715870] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:10 sedna kernel: [376654.715873] Raw EDID: Apr 8 03:11:10 sedna kernel: [376654.715875] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:10 sedna kernel: [376654.715876] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:10 sedna kernel: [376654.715877] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:10 sedna kernel: [376654.715878] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:10 sedna kernel: [376654.715879] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:10 sedna kernel: [376654.715880] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:10 sedna kernel: [376654.715881] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:10 sedna kernel: [376654.715882] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e Apr 8 03:11:10 sedna kernel: [376654.816959] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 208 Apr 8 03:11:10 sedna kernel: [376654.816962] Raw EDID: Apr 8 03:11:10 sedna kernel: [376654.816963] d0 ff ff ff ff ff ff 00 1e 6d c9 4e 01 01 01 01 Apr 8 03:11:10 sedna kernel: [376654.816964] 09 15 01 03 6c 2d 19 78 ea 95 35 a1 59 57 9f 27 Apr 8 03:11:10 sedna kernel: [376654.816965] 0e 50 54 a7 6a 80 71 4f a9 c0 01 01 01 01 01 01 Apr 8 03:11:10 sedna kernel: [376654.816966] 01 01 01 01 01 01 30 2a 40 c8 60 84 64 30 18 50 Apr 8 03:11:10 sedna kernel: [376654.816967] 13 00 bb f9 10 00 00 1e 00 00 00 fd 00 38 4b 1e Apr 8 03:11:10 sedna kernel: [376654.816968] 53 0d 00 0a 20 20 20 20 20 20 00 00 00 fc 00 45 Apr 8 03:11:10 sedna kernel: [376654.816969] 32 30 34 31 0a 20 20 20 20 20 20 20 00 00 00 ff Apr 8 03:11:10 sedna kernel: [376654.816970] 00 53 65 72 69 61 6c 4e 75 6d 62 65 72 0a 00 0e
Which kernel version?
http://lists.freedesktop.org/archives/dri-devel/2012-April/021533.html Should get merged upstream soonish.
(In reply to comment #1) > Which kernel version? kernel 2.6.42.12-1.fc15.x86_64 With the problem, I'm cant set resolution higher than 1024x768. Actually I have solved the problem puting "drm_kms_helper.poll=0" in the kernel options at grub.conf. REF: (http://lists.debian.org/debian-x/2011/05/msg00522.html) After I have put the kernel option above, I can set normal resolution 1600X900 and everything works.