As a workaround, try selecting 'Ubuntu on Wayland' on the login screen just before you enter your password.
** Summary changed: - Xorg freeze on Intel Core 2 T5800 + Xorg sessions fail to start on Intel Core 2 T5800: modeset(0): drmSetMaster failed: Permission denied ** Also affects: gdm3 (Ubuntu) Importance: Undecided Status: New ** Changed in: mutter (Ubuntu) Status: Incomplete => New ** Changed in: xorg-server (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1901342 Title: Xorg sessions fail to start on Intel Core 2 T5800: modeset(0): drmSetMaster failed: Permission denied To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm3/+bug/1901342/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs