[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[ALinuxUser]

I have this problem on Linux Mint 19.1, which is based on Ubuntu 18.04.1
(although admittedly I am running the alpha of Mint 19.2).

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Mathew Hodson]

** Package changed: ubuntu => gtk+3.0 (Ubuntu)

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Laurent Bonnaud]

This bug no longer exists in saucy with the GTK3 package from the Gnome3
PPA:

Package: libgtk-3-0
Version: 3.10.6-0ubuntu2~saucy1


** Changed in: ubuntu
   Status: Confirmed => Fix Released

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Soo-Hyun Choi]

Affects me on raring, too.

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Sylvain Corlay]

Affects me on raring as well.

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[b49P23TIvg]

In this program the window appears at the 4th gtk_main_iteration_do(FALSE);
At iteration 50 I clicked the little x icon to close the window.

/*
  compilation:
  $ a=./c && gcc $a.c $( pkg-config --cflags gtk+-3.0 ) $( pkg-config --libs 
gtk+-3.0 ) -o $a && $a
*/
#include
int main(int ac,char**av) {
  GtkWidget*w;
  gtk_init(&ac,&av);
  w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  g_signal_connect(w,"destroy",G_CALLBACK(gtk_main_quit),NULL);
  gtk_widget_set_size_request(w,100,100);
  gtk_widget_show(w);
  if (!TRUE)
gtk_main();
  else {
int i;
for (i = 1; ; ++i) {
  printf("%4d ",i);
  fflush(stdout);
  gtk_main_iteration_do(FALSE);
  sleep(2);
}
  }
  return 0;
}



OUTPUT from this program (run with emacs compile command):

-*- mode: compilation; default-directory: "/tmp/" -*-
Compilation started at Fri Nov 16 11:17:07

a=./c && gcc $a.c $( pkg-config --cflags gtk+-3.0 ) $( pkg-config --libs 
gtk+-3.0 ) -o $a && $a
   123456789   10   11   12   13   14   15   16 
  17   18 
(c:13232): Gdk-CRITICAL **: gdk_error_trap_pop_internal: assertion `trap != 
NULL' failed
  19   20   21   22   23   24   25   26   27   28   29   30   31   32   33   34 
  35   36   37   38   39   40   41   42   43   44   45   46   47   48   49   50 
(c:13232): Gtk-CRITICAL **: gtk_main_quit: assertion `main_loops != NULL' failed
  51   52 /bin/bash: line 1: 13232 Killed  $a

Compilation exited abnormally with code 137 at Fri Nov 16 11:18:51

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[b49P23TIvg]

I just reinstalled gtk+3.  All my gtk programs get this error.  This short 
program causes the error:
/*
  compilation:
  $ a=./c && gcc $a.c $( pkg-config --cflags gtk+-3.0 ) $( pkg-config --libs 
gtk+-3.0 ) -o $a && $a
*/
#include
int main(int ac,char**av) {
  GtkWidget*w;
  gtk_init(&ac,&av);
  w = gtk_window_new(GTK_WINDOW_TOPLEVEL);
  g_signal_connect(w,"destroy",G_CALLBACK(gtk_main_quit),NULL);
  gtk_widget_show(w);
  gtk_main();
  return 0;
}

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[b49P23TIvg]

It also happens with gtk 2, but I can't tell which version of gdk is
used with either.  See post 6,7.  I had to install gtk2 to make the
computer vision code work.

http://forums.devshed.com/python-programming-11/sudoku-solver-school-
project-error-help-934125.html

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[funicorn]

Here is gdb output on gedit

$ gdb gedit
GNU gdb (GDB) 7.5-ubuntu
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
...
Reading symbols from /usr/bin/gedit...(no debugging symbols found)...done.
(gdb) break gdk_error_trap_pop_internal
Function "gdk_error_trap_pop_internal" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (gdk_error_trap_pop_internal) pending.
(gdb) run
Starting program: /usr/bin/gedit 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffee41f700 (LWP 19817)]
[New Thread 0x7fffe7fff700 (LWP 19818)]
[New Thread 0x7fffe77fe700 (LWP 19819)]
[New Thread 0x7fffde6b6700 (LWP 19822)]

(gedit:19814): Gtk-CRITICAL **: gtk_list_store_set_column_types:
assertion `priv->columns_dirty == 0' failed

(gedit:19814): Gdk-CRITICAL **: gdk_error_trap_pop_internal: assertion `trap != 
NULL' failed
[New Thread 0x7fffd1445700 (LWP 19894)]


And on leafpad:

$ gdb leafpad
GNU gdb (GDB) 7.5-ubuntu
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
...
Reading symbols from /usr/bin/leafpad...(no debugging symbols found)...done.
(gdb) break gdk_error_trap_pop_internal
Function "gdk_error_trap_pop_internal" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (gdk_error_trap_pop_internal) pending.
(gdb) run
Starting program: /usr/bin/leafpad 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffef61a700 (LWP 20029)]
[New Thread 0x7fffee7e5700 (LWP 20030)]
[New Thread 0x7fffedfe4700 (LWP 20031)]

(leafpad:20026): Gdk-CRITICAL **: IA__gdk_error_trap_pop: assertion 
`gdk_error_traps != NULL' failed
[New Thread 0x7fffd4738700 (LWP 20034)]

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[funicorn]

The same bug exists on Ubuntu 12.10 with libgtk-3-0 3.6.0-ubuntu3.1.
Thanks god I thought it's only me since I hardly find any similar bug report on 
this issue.

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Title:
  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Laurent Bonnaud]

Here is a debugging session with a backtrace:

$ gdb gedit
GNU gdb (GDB) 7.5-ubuntu
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later 
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
and "show warranty" for details.
This GDB was configured as "i686-linux-gnu".
For bug reporting instructions, please see:
...
Reading symbols from /usr/bin/gedit...(no debugging symbols found)...done.
(gdb) break gdk_error_trap_pop_internal
Function "gdk_error_trap_pop_internal" not defined.
Make breakpoint pending on future shared library load? (y or [n]) y
Breakpoint 1 (gdk_error_trap_pop_internal) pending.
(gdb) run
Starting program: /usr/bin/gedit 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1".
[New Thread 0xb6894b40 (LWP 12098)]
[New Thread 0xb5effb40 (LWP 12099)]
[New Thread 0xb54ffb40 (LWP 12100)]

Breakpoint 1, gdk_error_trap_pop_internal (need_code=need_code@entry=0) at 
/build/buildd/gtk+3.0-3.6.0/./gdk/gdkdisplay.c:2131
2131/build/buildd/gtk+3.0-3.6.0/./gdk/gdkdisplay.c: No such file or 
directory.
(gdb) bt
#0  gdk_error_trap_pop_internal (need_code=need_code@entry=0) at 
/build/buildd/gtk+3.0-3.6.0/./gdk/gdkdisplay.c:2131
#1  0xb78fe7a7 in gdk_error_trap_pop_ignored () at 
/build/buildd/gtk+3.0-3.6.0/./gdk/gdkdisplay.c:2179
#2  0xb7efe9a0 in window_is_xembed (w=, d=) at 
canberra-gtk-module.c:386
#3  dispatch_sound_event (d=0x8337f40) at canberra-gtk-module.c:472
#4  dispatch_queue () at canberra-gtk-module.c:833
#5  idle_cb (userdata=0x0) at canberra-gtk-module.c:841
#6  0xb78f5ebe in gdk_threads_dispatch (data=data@entry=0x83f3430) at 
/build/buildd/gtk+3.0-3.6.0/./gdk/gdk.c:788
#7  0xb7353c30 in g_idle_dispatch (source=source@entry=0x8317050, 
callback=0xb78f5e80 , user_data=0x83f3430)
at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:4806
#8  0xb73569e3 in g_main_dispatch (context=0x81188e0) at 
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:2715
#9  g_main_context_dispatch (context=context@entry=0x81188e0) at 
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3219
#10 0xb7356d80 in g_main_context_iterate (context=0x81188e0, 
block=block@entry=1, dispatch=dispatch@entry=1, self=)
at /build/buildd/glib2.0-2.34.0/./glib/gmain.c:3290
#11 0xb73571db in g_main_loop_run (loop=loop@entry=0x83f21f0) at 
/build/buildd/glib2.0-2.34.0/./glib/gmain.c:3484
#12 0xb7b0bf75 in gtk_main () at 
/build/buildd/gtk+3.0-3.6.0/./gtk/gtkmain.c:1163
#13 0x08066f20 in main ()


** Package changed: gtk+3.0 (Ubuntu) => ubuntu

** Changed in: ubuntu
   Status: Incomplete => Confirmed

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  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Sebastien Bacher]

Thank you for your bug report, can you use gdb to get a backtrace of the
warning?

** Changed in: gtk+3.0 (Ubuntu)
   Status: Confirmed => Incomplete

** Changed in: gtk+3.0 (Ubuntu)
   Importance: Undecided => Low

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  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: gtk+3.0 (Ubuntu)
   Status: New => Confirmed

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  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Jean-Philippe Orsini]

gedit, evince, update-manager,  and psensor is displaying this warning
(I did not test evolution which is not installed on my computer).

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  assertion failure `trap != NULL' displayed by all GTK3 software

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[Bug 1061554] Re: assertion failure `trap != NULL' displayed by all GTK3 software

[Laurent Bonnaud]

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  assertion failure `trap != NULL' displayed by all GTK3 software

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