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#1 2021-07-18 09:55:04

debugpoint.com
Member
Registered: 2021-07-18
Posts: 2

xfwm4 crash

Hi
I am not sure what happened, but my XFCE desktop lost the title bar from all windows. Window manager is not opening.

See here:
https://imgur.com/a/FkFDJXx

System conf:
Arch Linux (latest)
Xfce 4.16
lightdm

Any idea?

I tried re-installing xfwm4 but same result.

Last edited by debugpoint.com (2021-07-18 09:55:42)

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#2 2021-07-18 13:51:24

ToZ
Moderator
From: Canada
Registered: 2011-06-02
Posts: 7,860

Re: xfwm4 crash

Hello and welcome.

xfwm4 --replace

...should restart it.

~/.xession-errors should give some hints as to why it crashed.

If its not coming back on a fresh login, delete the contents of ~/.cache/sessions before you log to Xfce.

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#3 2021-07-19 04:24:50

debugpoint.com
Member
Registered: 2021-07-18
Posts: 2

Re: xfwm4 crash

Deleted the contents of cache/sessions -> same problem
tried replace switch -> same problem

Here is the error file from session, it says this is a bug!

/usr/bin/iceauth:  creating new authority file /run/user/1000/ICEauthority
xfce4-session: No SSH authentication agent found
gpg-agent: a gpg-agent is already running - not starting a new one

(xfwm4:534): Gdk-ERROR **: 00:15:33.300: The program 'xfwm4' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadValue (integer parameter out of range for operation)'.
  (Details: serial 2483 error_code 2 request_code 151 (GLX) minor_code 24)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the GDK_SYNCHRONIZE environment
   variable to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)
xfsettingsd: No window manager registered on screen 0.
xfce4-panel: No window manager registered on screen 0. To start the panel without this check, run with --disable-wm-check.

** (wrapper-2.0:637): WARNING **: 00:15:48.196: No outputs have backlight property

(wrapper-2.0:638): GLib-GIO-CRITICAL **: 00:15:48.263: g_file_new_for_path: assertion 'path != NULL' failed

(wrapper-2.0:638): GLib-GIO-CRITICAL **: 00:15:48.263: g_file_monitor_file: assertion 'G_IS_FILE (file)' failed

(wrapper-2.0:638): GLib-GObject-WARNING **: 00:15:48.264: invalid (NULL) pointer instance

(wrapper-2.0:638): GLib-GObject-CRITICAL **: 00:15:48.264: g_signal_connect_data: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed

(wrapper-2.0:638): Gtk-WARNING **: 00:15:48.264: Attempting to add a widget with type GtkToggleButton to a container of type XfcePanelPlugin, but the widget is already inside a container of type XfcePanelPlugin, please remove the widget from its existing container first.

(wrapper-2.0:648): libnotify-WARNING **: 00:15:48.289: Failed to connect to proxy

(wrapper-2.0:648): Gtk-WARNING **: 00:15:48.418: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner PulseaudioButton)

(wrapper-2.0:647): Gtk-WARNING **: 00:15:48.426: Negative content width -1 (allocation 1, extents 1x1) while allocating gadget (node button, owner XfceArrowButton)

(wrapper-2.0:635): Gtk-WARNING **: 00:15:48.454: gtk_widget_size_allocate(): attempt to allocate widget with width -1 and height 24

(wrapper-2.0:638): Gtk-WARNING **: 00:15:48.480: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner GtkToggleButton)

(wrapper-2.0:637): Gtk-WARNING **: 00:15:48.511: Negative content width -3 (allocation 1, extents 2x2) while allocating gadget (node button, owner PowerManagerButton)

(xfce4-panel:629): xfce4-panel-CRITICAL **: 00:15:57.002: panel-window.c:2391 (panel_window_active_window_geometry_changed): expression 'WNCK_IS_WINDOW (active_window)' failed.
No window manager registered on screen 0. To start the xfdesktop without this check, run with --disable-wm-check.

** (xfce4-power-manager:817): WARNING **: 00:16:06.059: Failed to get name owner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.freedesktop.PowerManagement': no such name


** (xfce4-power-manager:817): WARNING **: 00:16:06.063: Failed to get name owner: GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name 'org.xfce.PowerManager': no such name


** (xfce4-screensaver:818): WARNING **: 00:16:06.123: screensaver already running in this session

(xfce4-power-manager:817): libnotify-WARNING **: 00:16:06.145: Failed to connect to proxy

(xfce4-power-manager:817): GLib-GObject-WARNING **: 00:16:06.154: ../glib/gobject/gsignal.c:2614: signal 'Changed' is invalid for instance '0x55b89810ba70' of type 'GDBusProxy'

(xfce4-power-manager:817): xfce4-power-manager-WARNING **: 00:16:06.235: could not map keysym 1008ffa8 to keycode


** (xfce4-power-manager:817): WARNING **: 00:16:06.278: No outputs have backlight property

(xfce4-power-manager:817): xfce4-power-manager-WARNING **: 00:16:06.295: It seems the kernel brightness switch handling value was not restored properly on exit last time, xfce4-power-manager will try to restore it this time.
xfce4-power-manager-Message: 00:16:06.332: Set kernel brightness switch to 0

(xfce4-power-manager:817): xfce4-power-manager-WARNING **: 00:16:06.341: Failed to get keyboard max brightness level : GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface ?org.freedesktop.UPower.KbdBacklight? on object at path /org/freedesktop/UPower/KbdBacklight
Mousepad-Message: 00:16:21.630: Failed to load plugin "mousepad-plugin-gspell": libgspell-1.so.2: cannot open shared object file: No such file or directory

###!!! [Parent][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost

Mousepad-Message: 00:20:58.695: Failed to load plugin "mousepad-plugin-gspell": libgspell-1.so.2: cannot open shared object file: No such file or directory

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#4 2021-07-19 10:48:08

ToZ
Moderator
From: Canada
Registered: 2011-06-02
Posts: 7,860

Re: xfwm4 crash

xfwm4 is crashing:

(xfwm4:534): Gdk-ERROR **: 00:15:33.300: The program 'xfwm4' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadValue (integer parameter out of range for operation)'.
  (Details: serial 2483 error_code 2 request_code 151 (GLX) minor_code 24)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the GDK_SYNCHRONIZE environment
   variable to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

What video card and video driver do you have?

Try running xfwm4 with GDK_SYNCHRONIZE:

GDK_SYNCHRONIZE=1 xfwm4

...then look at the coredump wiki article on how to get a backtrace. You may need to build xfwm4 with debug enabled to get to the root of the problem.

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