Description of problem: Tried to configure the external monitor with HDMI. This worked in kernel-3.7.8-202.fc18.i686 Doesn't work in: kernel-3.8.2-206.fc18.i686 kernel-3.8.3-201.fc18.i686 Version-Release number of selected component: mate-settings-daemon-1.5.5-1.fc18 Additional info: backtrace_rating: 4 cmdline: /usr/libexec/mate-settings-daemon crash_function: on_screen_size_changed executable: /usr/libexec/mate-settings-daemon kernel: 3.8.2-206.fc18.i686 uid: 1000 Truncated backtrace: Thread no. 1 (9 frames) #0 on_screen_size_changed at msd-background-manager.c:267 #1 g_cclosure_marshal_VOID__VOIDv at gmarshal.c:115 #2 _g_closure_invoke_va at gclosure.c:840 #4 g_signal_emit_by_name at gsignal.c:3393 #5 process_monitors_change at gdkscreen-x11.c:1163 #6 _gdk_x11_screen_size_changed at gdkscreen-x11.c:1198 #7 gdk_event_translate at gdkevents-x11.c:2152 #8 _gdk_events_queue at gdkevents-x11.c:2336 #14 gtk_main at gtkmain.c:1257
Created attachment 713613 [details] File: backtrace
Created attachment 713614 [details] File: cgroup
Created attachment 713615 [details] File: core_backtrace
Created attachment 713616 [details] File: dso_list
Created attachment 713617 [details] File: environ
Created attachment 713618 [details] File: limits
Created attachment 713619 [details] File: maps
Created attachment 713620 [details] File: open_fds
Created attachment 713621 [details] File: proc_pid_status
Created attachment 713622 [details] File: var_log_messages
Created attachment 713623 [details] File: screencast.ogv
I got some additional information: Initial state: thomas ~% xrandr Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192 LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x 179mm 1280x800 60.0*+ 49.6 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 connected (normal left inverted right x axis y axis) 1024x768 60.0 800x600 60.3 56.2 848x480 60.0 640x480 59.9 HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) Plugging HDMI cable in: thomas ~% xrandr Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192 LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x 179mm 1280x800 60.0*+ 49.6 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 connected (normal left inverted right x axis y axis) 1920x1200 60.0 + 1600x1200 60.0 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) Something is wrong here, it is connected via HDMI and not VGA. Trying to disable VGA1 doesn't work: thomas ~% xrandr --output VGA1 --off thomas ~% xrandr Screen 0: minimum 320 x 200, current 1280 x 800, maximum 8192 x 8192 LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 286mm x 179mm 1280x800 60.0*+ 49.6 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 connected (normal left inverted right x axis y axis) 1920x1200 60.0 + 1600x1200 60.0 1280x1024 75.0 60.0 1280x960 60.0 1152x864 75.0 1024x768 75.1 70.1 60.0 832x624 74.6 800x600 72.2 75.0 60.3 56.2 640x480 72.8 75.0 66.7 60.0 720x400 70.1 HDMI1 disconnected (normal left inverted right x axis y axis) DP1 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis)
*** This bug has been marked as a duplicate of bug 920960 ***