Can you please rollback the kernel and grab the EDID and the boot dmesg for both kernels with drm.debug=6 appended to the kernel command line?
** Summary changed: - xrandr doesn't recognize correctly monitor's resolutions samsung s24b350h + [945gm] fails to read EDID over VGA: samsung s24b350h ** Changed in: xserver-xorg-video-intel (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1179899 Title: [945gm] fails to read EDID over VGA: samsung s24b350h To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1179899/+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