(gdb) file gnome-panel
Reading symbols from /usr/bin/gnome-panel...(no debugging symbols found)...done.
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
(gdb) run
Starting program: /usr/bin/gnome-panel
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[Thread debugging using libthread_db enabled]
[New Thread -1224862032 (LWP 6778)]
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(gnome-panel:6778): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed

(gnome-panel:6778): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to allocate widget with width -9 and height 24
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[New Thread -1269810272 (LWP 6804)]
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Program received signal SIGINT, Interrupt.
[Switching to Thread -1224862032 (LWP 6778)]
0xffffe410 in __kernel_vsyscall ()
(gdb) thread apply all bt

Thread 2 (Thread -1269810272 (LWP 6804)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb75ad6a3 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7720e85 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0xb77211fc in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#4  0xb7c907f5 in link_set_io_thread () from /usr/lib/libORBit-2.so.0
#5  0xb773a535 in g_thread_create_full () from /usr/lib/libglib-2.0.so.0
#6  0xb7624534 in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb75b721e in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread -1224862032 (LWP 6778)):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb75ad6a3 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7720e85 in g_main_context_check () from /usr/lib/libglib-2.0.so.0
#3  0xb77211fc in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#4  0xb7a4fc62 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#5  0x080668bb in main ()
(gdb)