$ journalctl -f
...
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0):     device LG Electronics 24MP55 (DFP-1) (Using EDID
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0):     frequencies has been enabled on all display devices.)
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0): The EDID for LG Electronics 24MP55 (DFP-1) contradicts itself:
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     mode "1920x1080" is specified in the EDID; however, the
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     EDID's valid HorizSync range (30.000-83.000 kHz) would
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     exclude this mode's HorizSync (28.1 kHz); ignoring
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     HorizSync check for mode "1920x1080".
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0): The EDID for LG Electronics 24MP55 (DFP-1) contradicts itself:
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     mode "1920x1080" is specified in the EDID; however, the
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     EDID's valid VertRefresh range (56.000-61.000 Hz) would
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     exclude this mode's VertRefresh (50.0 Hz); ignoring
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     VertRefresh check for mode "1920x1080".
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0): The EDID for LG Electronics 24MP55 (DFP-1) contradicts itself:
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     mode "720x576" is specified in the EDID; however, the
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     EDID's valid VertRefresh range (56.000-61.000 Hz) would
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     exclude this mode's VertRefresh (50.0 Hz); ignoring
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     VertRefresh check for mode "720x576".
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0): The EDID for LG Electronics 24MP55 (DFP-1) contradicts itself:
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     mode "1920x1080" is specified in the EDID; however, the
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     EDID's valid VertRefresh range (56.000-61.000 Hz) would
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     exclude this mode's VertRefresh (50.0 Hz); ignoring
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     VertRefresh check for mode "1920x1080".
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0): The EDID for LG Electronics 24MP55 (DFP-1) contradicts itself:
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     mode "1280x720" is specified in the EDID; however, the
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     EDID's valid VertRefresh range (56.000-61.000 Hz) would
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     exclude this mode's VertRefresh (50.0 Hz); ignoring
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (WW) NVIDIA(GPU-0):     VertRefresh check for mode "1280x720".
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0): Using HorizSync/VertRefresh ranges from the EDID for display
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0):     device LG Electronics 19EN33 (CRT-1) (Using EDID
Apr 10 13:55:39 arch /usr/lib/gdm/gdm-x-session[3888]: (**) NVIDIA(0):     frequencies has been enabled on all display devices.)
Apr 10 13:55:40 arch kernel: traps: totem[22686] trap int3 ip:7f9393d7dac0 sp:7ffeb770e860 error:0
Apr 10 13:55:40 arch systemd-coredump[22688]: Process 22686 (totem) of user 1000 dumped core.
...