Please attach your /var/log/Xorg.0.log[.old] files showing the failure. See https://wiki.ubuntu.com/X/Debugging for more info on debugging X problems, and other info you could include to help triage this bug.
Please attach your /var/log/ Xorg.0. log[.old] files showing the failure. See https:/ /wiki.ubuntu. com/X/Debugging for more info on debugging X problems, and other info you could include to help triage this bug.