Control: reassign 894306 libmutter-2-0 Control: retitle 894306 external monitor resolution higher than 1920x1080 freezes rendering Control: forwarded 894306 https://gitlab.gnome.org/GNOME/mutter/issues/81 Control: affects 894306 + gnome-shell gnome-control-center
On Mon, 02 Apr 2018 at 11:10:10 -0400, toddjsni...@gmail.com wrote: > Similar to the linked bug reports, my syslog is littered with the > following message: > Apr 2 10:00:29 todd-debian gnome-shell[1007]: Failed to set CRTC mode > 3840x2160: Invalid argument > > When the display lockup occurs, the machine still responds to pings and > the caps lock LED toggles with button presses (my keyboard doesn't have > scroll lock or number lock LEDs.) However, pressing Ctrl+Alt+F6 has no > visible effect, nor does pressing Ctrl+Alt+Del afterward. That sounds like <https://gitlab.gnome.org/GNOME/mutter/issues/81> which is thought to have been avoided in libmutter-2-0 3.28.1 (by turning "modifiers" into a hidden experimental feature that is off by default, with the intention of fixing and re-enabling them in 3.29.x). Please could you try with libmutter-2-0 3.28.1 or later? Thanks, smcv