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[Bug 879164] Re: gnome-panel crashes when trying to move panel

To: desktop-packages@xxxxxxxxxxxxxxxxxxx
From: zed <879164@xxxxxxxxxxxxxxxxxx>
Date: Sun, 23 Oct 2011 05:53:58 -0000
Reply-to: Bug 879164 <879164@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
I was getting a similar problem:

(gnome-panel:2160): GLib-GObject-WARNING **:
/build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:2295: signal
`size_request' is invalid for instance `0xcddac0'

I tried removing gnome-panels, and gnome-shell, however when you install gnome-shell you get gnome-panel.
I thought it was graphics driver but it wasn't.

If you log in as guest, gnome-shell works. (I was using Gnome without effects)
Gnome shell default settings work. Therefore, it has to do with the settings. Also, I remembered I was configuring the gnome panels when the gnome shell started to crash.

This is what fixed it for me:

Go into terminal
Code:

cd ~/.config/dconf

mv user use

Log out or reboot. (I rebooted, lightDM problems)

By renaming the user settings you make a backup at the same time.
This just resets the gnome-shell settings and this worked for me. It took me a while to figure out where Gnome 3 settings were kept.

I hope that helps.

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https://bugs.launchpad.net/bugs/879164

Title:
  gnome-panel crashes when trying to move panel

Status in “gnome-panel” package in Ubuntu:
  New

Bug description:
  On just upgraded ubuntu oniric amd64 (from natty), when trying to move bottom panel in gnome, with mouse, i got sigfpe.
  Detailed gdb run below.

  $ dpkg -l | grep gnome-panel
  ii  gnome-panel                            1:3.2.0-0ubuntu1                           launcher and docking facility for GNOME
  rc  gnome-panel-bonobo                     1:2.32.1-0ubuntu6.5                        launcher and docking facility for GNOME - bonobo compatibility
  ii  gnome-panel-data                       1:3.2.0-0ubuntu1                           common files for the GNOME Panel

  $ gdb `which gnome-panel`
  GNU gdb (Ubuntu/Linaro 7.3-0ubuntu2) 7.3-2011.08
  Copyright (C) 2011 Free Software Foundation, Inc.
  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  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:
  <http://bugs.launchpad.net/gdb-linaro/>...
  Reading symbols from /usr/bin/gnome-panel...(no debugging symbols found)...done.
  (gdb) r
  Starting program: /usr/bin/gnome-panel 
  [Thread debugging using libthread_db enabled]
  [New Thread 0x7fffecc81700 (LWP 2822)]
  [New Thread 0x7fffec480700 (LWP 2823)]
  [New Thread 0x7fffe4c30700 (LWP 2824)]
  [New Thread 0x7fffe442f700 (LWP 2825)]
  [Thread 0x7fffe4c30700 (LWP 2824) exited]

  (gnome-panel:2819): GLib-GObject-WARNING **: /build/buildd/glib2.0-2.30.0/./gobject/gsignal.c:2295: signal `size_request' is invalid for instance `0xb83c80'
  [New Thread 0x7fffe4c30700 (LWP 2826)]
  [Thread 0x7fffe4c30700 (LWP 2826) exited]
  [Thread 0x7fffe442f700 (LWP 2825) exited]

  # Now try to bottom panel with mouse (+ctrl+shift).

  (gnome-panel:2819): Gtk-CRITICAL **: gtk_orientable_get_orientation:
  assertion `GTK_IS_ORIENTABLE (orientable)' failed

  Program received signal SIGFPE, Arithmetic exception.
  0x00007fffe54658dc in ?? () from /usr/lib/libwnck-3.so.0
  (gdb) bt
  #0  0x00007fffe54658dc in ?? () from /usr/lib/libwnck-3.so.0
  #1  0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #2  0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #3  0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #4  0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #5  0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #6  0x00007ffff722cec5 in ?? () from /usr/lib/libgtk-3.so.0
  #7  0x00007fffe568f99d in ?? () from /usr/lib/libpanel-applet-4.so.0
  #8  0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #9  0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #10 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #11 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #12 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #13 0x00007ffff74006ed in ?? () from /usr/lib/libgtk-3.so.0
  #14 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #15 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  ---Type <return> to continue, or q <return> to quit---
  #16 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #17 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #18 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #19 0x00007ffff740291b in ?? () from /usr/lib/libgtk-3.so.0
  #20 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #21 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #22 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #23 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #24 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #25 0x00007ffff722cec5 in ?? () from /usr/lib/libgtk-3.so.0
  #26 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #27 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #28 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #29 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #30 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  ---Type <return> to continue, or q <return> to quit---
  #31 0x000000000043a88b in ?? ()
  #32 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #33 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #34 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #35 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #36 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #37 0x0000000000424aff in ?? ()
  #38 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #39 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #40 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #41 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #42 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #43 0x000000000045059b in ?? ()
  #44 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #45 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #46 0x00007ffff59c46b1 in g_signal_emit_valist ()
  ---Type <return> to continue, or q <return> to quit---
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #47 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #48 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #49 0x00007ffff7328280 in ?? () from /usr/lib/libgtk-3.so.0
  #50 0x00007ffff59a8ffa in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #51 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #52 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #53 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #54 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #55 0x0000000000447b8b in ?? ()
  #56 0x00007ffff59a90a4 in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #57 0x00007ffff59ba81a in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #58 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #59 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #60 0x00007ffff73d3669 in gtk_widget_size_allocate ()
     from /usr/lib/libgtk-3.so.0
  #61 0x000000000044756e in ?? ()
  ---Type <return> to continue, or q <return> to quit---
  #62 0x00007ffff59a90a4 in g_closure_invoke ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #63 0x00007ffff59bae5f in ?? ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #64 0x00007ffff59c46b1 in g_signal_emit_valist ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #65 0x00007ffff59c4852 in g_signal_emit ()
     from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
  #66 0x00007ffff7210085 in ?? () from /usr/lib/libgtk-3.so.0
  #67 0x00007ffff6ee132f in ?? () from /usr/lib/libgdk-3.so.0
  #68 0x00007ffff54e4a5d in g_main_context_dispatch ()
     from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #69 0x00007ffff54e5258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #70 0x00007ffff54e5792 in g_main_loop_run ()
     from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #71 0x00007ffff7294e1d in gtk_main () from /usr/lib/libgtk-3.so.0
  #72 0x00000000004220ef in main ()
  (gdb) 
  (gdb) 
  (gdb) 
  (gdb) q
  A debugging session is active.

          Inferior 1 [process 2819] will be killed.

  Quit anyway? (y or n) y

  thanks.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: gnome-panel 1:3.2.0-0ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-13.21-generic 3.0.6
  Uname: Linux 3.0.0-13-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.23-0ubuntu3
  Architecture: amd64
  Date: Fri Oct 21 01:51:51 2011
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
  ProcEnviron:
   PATH=(custom, no user)
   LANG=pl_PL.UTF-8
   SHELL=/bin/bash
  SourcePackage: gnome-panel
  UpgradeStatus: Upgraded to oneiric on 2011-10-18 (2 days ago)

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References

[Bug 879164] [NEW] gnome-panel crashes when trying to move panel
From: Witold Baryluk, 2011-10-21