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Created attachment 485756 [details] Output of dmesg Description of problem: Computing checksum of EDID for my monitors fail and wrong resolution is set (1152x864 is set, 1280x1024 is maximum available and native resolution for my displays are 1600x1200). I have two same 20" LCD monitors Dell 2007FP, both connected via DVI. It works fine with F14, after update (via yum) to current F15 it fails. If I add new mode for xrandr with info from Modeline from Xorg.0.log and use it, correct resolution works. Version-Release number of selected component (if applicable): kernel-2.6.38-1.fc15.x86_64 xorg-x11-drv-nouveau-0.0.16-23.20110303git92db2bc.fc15.x86_64 How reproducible: Just start the system and X. Actual results: Wrong resolution is set. Expected results: Correct resolution is set. Additional info: cat /var/log/messages | grep -i edid Mar 16 13:57:34 localhost kernel: [ 241.247765] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 138 Mar 16 13:57:34 localhost kernel: [ 241.247772] [drm:drm_edid_block_valid] *ERROR* Raw EDID: Mar 16 13:57:34 localhost kernel: [ 241.295968] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 154 Mar 16 13:57:34 localhost kernel: [ 241.295974] [drm:drm_edid_block_valid] *ERROR* Raw EDID: Mar 16 13:57:34 localhost kernel: [ 241.297725] [drm] nouveau 0000:07:00.0: DDC responded, but no EDID for DVI-I-1 Mar 16 13:57:34 localhost kernel: [ 241.322360] [drm] nouveau 0000:07:00.0: DDC responded, but no EDID for DVI-I-1 Mar 16 13:57:34 localhost kernel: [ 241.328113] [drm] nouveau 0000:07:00.0: DDC responded, but no EDID for DVI-I-2
Created attachment 485757 [details] /var/log/messages
Created attachment 485758 [details] /var/log/Xorg.0.log
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