Comment # 3 on bug 1015018 from Mindaugas Baranauskas

I updated kernel (via online updates) to 4.4.36-8 version, also installed 
xf86-video-fbdev-debuginfo
xf86-video-fbdev-debugsource
xf86-video-intel-debuginfo
xf86-video-intel-debugsource
xf86-video-vesa-debuginfo
xf86-video-vesa-debugsource
Mesa-debuginfo
Mesa-debugsource
xorg-x11-server-debuginfo
xorg-x11-server-debugsource

But  today I did not reproduced crash of X (only LibreOffice crash) twice, 
but tried time X crashed. Previous I could consistently reproduce bug.