Still reproducible but the log messages changed: > Mar 01 11:53:03 i10pc82 kernel: snd_hda_codec_hdmi hdaudioC0D0: HDMI: ELD buf > size is 0, force 128 > Mar 01 11:53:03 i10pc82 kernel: snd_hda_codec_hdmi hdaudioC0D0: HDMI: invalid > ELD data byte 0 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) intel(0): > resizing framebuffer to 1920x1080 > Mar 01 11:53:03 i10pc82 gnome-session[830]: (gnome-shell:838): Gdk-ERROR **: > The program 'gnome-shell' received an X Window System error. > Mar 01 11:53:03 i10pc82 gnome-session[830]: This probably reflects a bug in > the program. > Mar 01 11:53:03 i10pc82 gnome-session[830]: The error was 'BadRROutput > (invalid Output parameter)'. > Mar 01 11:53:03 i10pc82 gnome-session[830]: (Details: serial 583 error_code > 147 request_code 140 (RANDR) minor_code 9) > Mar 01 11:53:03 i10pc82 gnome-session[830]: (Note to programmers: normally, > X errors are reported asynchronously; > Mar 01 11:53:03 i10pc82 gnome-session[830]: that is, you will receive the > error a while after causing it. > Mar 01 11:53:03 i10pc82 gnome-session[830]: To debug your program, run it > with the GDK_SYNCHRONIZE environment > Mar 01 11:53:03 i10pc82 gnome-session[830]: variable to change this > behavior. You can then get a meaningful > Mar 01 11:53:03 i10pc82 gnome-session[830]: backtrace from your debugger > if you break on the gdk_x_error() function.) > Mar 01 11:53:03 i10pc82 gnome-session[830]: (gnome-settings-daemon:931): > Gdk-ERROR **: The program 'gnome-settings-daemon' received an X Window System > error. > Mar 01 11:53:03 i10pc82 gnome-session[830]: This probably reflects a bug in > the program. > Mar 01 11:53:03 i10pc82 gnome-session[830]: The error was 'BadRROutput > (invalid Output parameter)'. > Mar 01 11:53:03 i10pc82 gnome-session[830]: (Details: serial 254 error_code > 147 request_code 140 (RANDR) minor_code 9) > Mar 01 11:53:03 i10pc82 gnome-session[830]: (Note to programmers: normally, > X errors are reported asynchronously; > Mar 01 11:53:03 i10pc82 gnome-session[830]: that is, you will receive the > error a while after causing it. > Mar 01 11:53:03 i10pc82 gnome-session[830]: To debug your program, run it > with the GDK_SYNCHRONIZE environment > Mar 01 11:53:03 i10pc82 gnome-session[830]: variable to change this > behavior. You can then get a meaningful > Mar 01 11:53:03 i10pc82 gnome-session[830]: backtrace from your debugger > if you break on the gdk_x_error() function.) > Mar 01 11:53:03 i10pc82 kernel: traps: gnome-shell[838] trap int3 > ip:7f147107687b sp:7ffd656e3ba0 error:0 > Mar 01 11:53:03 i10pc82 kernel: traps: gnome-settings-[931] trap int3 > ip:7fc335ea387b sp:7ffcbdf3bae0 error:0 > Mar 01 11:53:03 i10pc82 gnome-session[830]: gnome-session-binary[830]: > WARNING: Application 'gnome-settings-daemon.desktop' killed by signal 5 > Mar 01 11:53:03 i10pc82 gnome-session-binary[830]: WARNING: Application > 'gnome-settings-daemon.desktop' killed by signal 5 > Mar 01 11:53:03 i10pc82 kernel: gnome-settings-[8696]: segfault at 10 ip > 00007fc9a07fc427 sp 00007ffc11076a50 error 4 in > libgdk-3.so.0.1800.8[7fc9a079c000+c7000] > Mar 01 11:53:03 i10pc82 gnome-session[830]: gnome-session-binary[830]: > WARNING: Application 'gnome-settings-daemon.desktop' killed by signal 11 > Mar 01 11:53:03 i10pc82 gnome-session-binary[830]: WARNING: Application > 'gnome-settings-daemon.desktop' killed by signal 11 > Mar 01 11:53:03 i10pc82 gnome-session[989]: (gnome-settings-daemon:1069): > color-plugin-WARNING **: failed to connect to device: Failed to connect to > missing device > /org/freedesktop/ColorManager/devices/xrandr_Iiyama_North_America_PL2480H_11183M4502551_Debian_gdm_114 > Mar 01 11:53:03 i10pc82 gnome-session[989]: (gnome-settings-daemon:1069): > color-plugin-WARNING **: failed to connect to device: Failed to connect to > missing device > /org/freedesktop/ColorManager/devices/xrandr_Iiyama_North_America_PL2480H_11183M4502550_Debian_gdm_114 > Mar 01 11:53:03 i10pc82 gnome-session[830]: (EE) > Mar 01 11:53:03 i10pc82 gnome-session[830]: Fatal server error: > Mar 01 11:53:03 i10pc82 gnome-session[830]: (EE) failed to dispatch Wayland > events: Broken pipe > Mar 01 11:53:03 i10pc82 gnome-session[830]: (EE) > Mar 01 11:53:03 i10pc82 polkitd(authority=local)[739]: Unregistered > Authentication Agent for unix-session:c1 (system bus name :1.13, object path > /org/freedesktop/PolicyKit1/AuthenticationAgent, locale en_GB.UTF-8) > (disconnected from bus) > Mar 01 11:53:03 i10pc82 gnome-session-binary[830]: Unrecoverable failure in > required component gnome-shell-wayland.desktop > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-wayland-session[827]: Activating > service name='ca.desrt.dconf' > Mar 01 11:53:03 i10pc82 gdm-launch-environment][815]: > pam_unix(gdm-launch-environment:session): session closed for user Debian-gdm > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:68 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:77 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:70 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:64 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:69 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 226:0 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:66 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:67 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) > systemd-logind: got pause for 13:65 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (EE) intel(0): page > flipping failed, on CRTC:21 (pipe=0), disabling synchronous page flips > Mar 01 11:53:03 i10pc82 gnome-session[989]: (gnome-settings-daemon:1069): > color-plugin-WARNING **: failed to delete device: failed to obtain > org.freedesktop.color-manager.delete-device auth > Mar 01 11:53:03 i10pc82 gdm3[810]: Child process -827 was already dead. > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) intel(0): > resizing framebuffer to 3000x1920 > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (EE) intel(0): > failed to set mode: Permission denied [13] > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (II) intel(0): > switch to mode 1920x1080@60.0 on HDMI2 using pipe 1, position (1920, 0), > rotation left, reflection none > Mar 01 11:53:03 i10pc82 /usr/lib/gdm3/gdm-x-session[977]: (EE) intel(0): > failed to set mode: Permission denied [13] > Mar 01 11:53:03 i10pc82 gnome-session[989]: Window manager warning: > Configuring CRTC 64 with mode 72 (1920 x 1080 @ 60.000000) at position 1920, > 0 and transform 1 failed > Mar 01 11:53:03 i10pc82 gnome-session[989]: (gnome-settings-daemon:1069): > color-plugin-WARNING **: failed to create device: failed to obtain > org.freedesktop.color-manager.create-device auth
is this in any way helpful? Should it be reassigned to gnome-shell? Could it be related to #813687? I have a dual-monitor setup if that makes a difference. Cheers, Lorenz