Public bug reported:
Ubuntu 22.04, gnome-shell 42.0-2ubuntu1
When unplugging an external monitor connected via USB-C to my Thinkpad
P14s, the entire UI session crashes. While the external monitor is
plugged in, it is configured as the primary display. Here are the gnome-
shell logs of the latest incident, I suppose the relevant part is
`assertion 'window->stack_position >= 0' failed`.
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212959: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212959 does not exist.
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212963: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212963 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212964: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212964 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212965: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212965 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212966: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212966 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212967: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212967 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 31 with keysym 31 (keycode a).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 32 with keysym 32 (keycode b).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 33 with keysym 33 (keycode c).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 34 with keysym 34 (keycode d).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 35 with keysym 35 (keycode e).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 36 with keysym 36 (keycode f).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 37 with keysym 37 (keycode 10).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 38 with keysym 38 (keycode 11).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 39 with keysym 39 (keycode 12).
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213085: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213085 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213089: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213089 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213090: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213090 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213092: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213092 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213093: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213093 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213094: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213094 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 31 with keysym 31 (keycode a).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 32 with keysym 32 (keycode b).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 33 with keysym 33 (keycode c).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 34 with keysym 34 (keycode d).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 35 with keysym 35 (keycode e).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 36 with keysym 36 (keycode f).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 37 with keysym 37 (keycode 10).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 38 with keysym 38 (keycode 11).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 39 with keysym 39 (keycode 12).
May 17 09:56:51 snaut gnome-shell[2048]:
meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0'
failed
May 17 09:56:51 snaut gnome-shell[2048]: GNOME Shell crashed with signal 11
May 17 09:56:51 snaut gnome-shell[2048]: == Stack trace for context
0x555f01f484b0 ==
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: (EE) failed to write to Xwayland fd:
Broken pipe
May 17 09:57:05 snaut gnome-shell[213521]: Running GNOME Shell (using mutter
42.0) as a Wayland display server
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1973802
Title:
Gnome Shell crashes when disconnecting external monitor
Status in gnome-shell package in Ubuntu:
New
Bug description:
Ubuntu 22.04, gnome-shell 42.0-2ubuntu1
When unplugging an external monitor connected via USB-C to my Thinkpad
P14s, the entire UI session crashes. While the external monitor is
plugged in, it is configured as the primary display. Here are the
gnome-shell logs of the latest incident, I suppose the relevant part
is `assertion 'window->stack_position >= 0' failed`.
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212959: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212959 does not exist.
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2524]: XWAYLAND: mode -1x-1 is not available
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212963: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212963 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212964: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212964 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212965: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212965 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212966: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212966 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Could not create transient scope for
PID 212967: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 212967 does not exist.
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 31 with keysym 31 (keycode a).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 32 with keysym 32 (keycode b).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 33 with keysym 33 (keycode c).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 34 with keysym 34 (keycode d).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 35 with keysym 35 (keycode e).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 36 with keysym 36 (keycode f).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 37 with keysym 37 (keycode 10).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 38 with keysym 38 (keycode 11).
May 17 09:56:49 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 39 with keysym 39 (keycode 12).
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213085: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213085 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213089: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213089 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213090: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213090 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213092: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213092 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213093: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213093 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Could not create transient scope for
PID 213094: GDBus.Error:org.freedesktop.DBus.Error.UnixProcessIdUnknown:
Process with ID 213094 does not exist.
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 31 with keysym 31 (keycode a).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 32 with keysym 32 (keycode b).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 33 with keysym 33 (keycode c).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 34 with keysym 34 (keycode d).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 35 with keysym 35 (keycode e).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 36 with keysym 36 (keycode f).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 37 with keysym 37 (keycode 10).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 38 with keysym 38 (keycode 11).
May 17 09:56:51 snaut gnome-shell[2048]: Window manager warning: Overwriting
existing binding of keysym 39 with keysym 39 (keycode 12).
May 17 09:56:51 snaut gnome-shell[2048]:
meta_window_set_stack_position_no_sync: assertion 'window->stack_position >= 0'
failed
May 17 09:56:51 snaut gnome-shell[2048]: GNOME Shell crashed with signal 11
May 17 09:56:51 snaut gnome-shell[2048]: == Stack trace for context
0x555f01f484b0 ==
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: Error getting buffer
May 17 09:57:03 snaut gnome-shell[2524]: (EE) failed to write to Xwayland fd:
Broken pipe
May 17 09:57:05 snaut gnome-shell[213521]: Running GNOME Shell (using mutter
42.0) as a Wayland display server
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