get-edid does not show the EDID of the monitor with the broken EDID. Booting 11.04, the monitor *works fine*. Nontheless dmesg shows the following, which is nearly the same as on 11.10 and 12.04:
[ 39.328047] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 254 [ 39.328048] [drm:drm_edid_block_valid] *ERROR* Raw EDID: [ 39.328050] <3>ff ff ff ff ff ff ff ff 4d d9 50 1e 01 01 01 01 ........M.P..... [ 39.328052] <3>01 0c 01 02 0e 1e 17 78 ea 7e a9 a0 58 4e 96 25 .......x.~..XN.% [ 39.328053] <3>1e 48 4c a1 08 00 01 01 01 01 01 01 01 01 01 01 .HL............. [ 39.328055] <3>01 01 01 01 01 01 64 19 00 40 41 00 26 30 18 88 ......d..@A.&0.. [ 39.328056] <3>36 00 30 e4 10 00 00 18 00 00 00 fd 00 30 41 1c 6.0..........0A. [ 39.328058] <3>3d 0a 00 0a 20 20 20 20 20 20 00 00 00 fc 00 53 =... .....S [ 39.328060] <3>44 4d 2d 53 35 31 0a 20 20 20 20 20 00 00 00 ff DM-S51. .... [ 39.328061] <3>00 34 35 32 37 39 35 35 0a 20 20 20 20 20 00 97 .4527955. .. [ 39.328062] [ 39.328065] radeon 0000:01:00.0: DVI-I-2: EDID block 0 invalid. [ 39.328067] [drm:radeon_dvi_detect] *ERROR* DVI-I-2: probed a monitor but no|invalid EDID I don't see any "your hardware may be failing" message, neither a "fixing edid header" one. The resolutions in the display settings manager are detected nontheless - see screenshot display- settings-11.04.png ** Attachment added: "display-settings-11.04.png" https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/914437/+attachment/2689216/+files/display-settings-11.04.png -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/914437 Title: Second display not recognized anymore; "EDID checksum is invalid" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/914437/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
