Thanks! Yes that kernel message happens just before the Xorg failure, so it sounds related.
Jul 24 01:21:56 u-XPS-13-9380 kernel: [ 1993.239046] [drm:intel_dp_start_link_train [i915]] *ERROR* failed to enable link training ... Jul 24 01:25:24 u-XPS-13-9380 kernel: [ 2201.963876] [drm] Reducing the compressed framebuffer size. This may lead to less power savings than a non-reduced-size. Try to increase stolen memory size if available in BIOS. Jul 24 01:25:24 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (EE) modeset(0): failed to set mode: Invalid argument Jul 24 01:25:24 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (II) event10 - ELAN2934:00 04F3:2934: is tagged by udev as: Touchscreen Jul 24 01:25:24 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (II) event10 - ELAN2934:00 04F3:2934: device is a touch device Jul 24 01:25:24 u-XPS-13-9380 /usr/lib/gdm3/gdm-x-session[2217]: (WW) modeset(0): flip queue failed: Invalid argument ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1837683 Title: Screen stops updating after about 8 hours - (EE) modeset(0): present flip failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1837683/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
