Description of problem: After recent update after varying time of using system display doesn't show anything except of blinking in white to gray colors. Log from dnf history: [marek@marek-fedora ~]$ LANG=C ; sudo dnf history info 62 Last metadata expiration check performed 0:45:02 ago on Sat Sep 26 11:04:23 2015. Transaction ID : 62 Begin time : Mon Sep 14 18:08:13 2015 Begin rpmdb : 2757:9a09a42bbca90b8554ed24301c8a16a475da49a2 End time : 18:08:57 2015 (44 seconds) End rpmdb : 2757:b9fefb66150a79850df011919ee04f14f24f7c4c User : Marek Michał Mazur <marek> Return-Code : Success Command Line : update Transaction performed with: Installed dnf-1.1.1-2.fc22.noarch @updates Installed rpm-4.12.0.1-12.fc22.x86_64 @updates Packages Altered: Upgraded libxml2-2.9.2-3.fc22.i686 @fedora Upgraded libxml2-2.9.2-3.fc22.x86_64 (unknown) Upgrade 2.9.2-4.fc22.i686 @updates Upgrade 2.9.2-4.fc22.x86_64 @updates Upgraded libxml2-devel-2.9.2-3.fc22.x86_64 @fedora Upgrade 2.9.2-4.fc22.x86_64 @updates Upgraded libxml2-python-2.9.2-3.fc22.x86_64 (unknown) Upgrade 2.9.2-4.fc22.x86_64 @updates Upgraded mesa-dri-drivers-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-dri-drivers-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-filesystem-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-filesystem-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libEGL-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-libEGL-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libEGL-devel-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libGL-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-libGL-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libGL-devel-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libGLES-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libOSMesa-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-libOSMesa-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libgbm-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-libgbm-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libglapi-10.6.3-1.20150729.fc22.i686 (unknown) Upgraded mesa-libglapi-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.i686 @updates Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libwayland-egl-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates Upgraded mesa-libxatracker-10.6.3-1.20150729.fc22.x86_64 (unknown) Upgrade 10.6.3-2.20150729.fc22.x86_64 @updates This error have been shown in past, around year ago. Display comes back to original state after switching with ctrl+alt+3 -> ctrl+alt+2 shortcuts.
And this is how does it look like: https://drive.google.com/file/d/0BymA17d9rFGnTW1BeURScEZkT0k/view?usp=sharing
This is very old bug, if you still can reproduce it - please reopen.