Public bug reported:

i started glade, used a custom catalogue path (because i create an app
with quickly and quickly creates a catalogue for glade), then i created
a GtkFileChooser and when i tried to access the "..." for the window
title, glade crahes. Here's the backtrace.


Program received signal SIGSEGV, Segmentation fault.
0xb73d5b98 in cairo_region_is_empty () from 
/usr/lib/i386-linux-gnu/libcairo.so.2
(gdb) bt 
#0  0xb73d5b98 in cairo_region_is_empty () from 
/usr/lib/i386-linux-gnu/libcairo.so.2
#1  0xb7fceedc in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#2  0xb7fcf689 in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#3  0xb7fd17bc in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#4  0xb79bee9d in gdk_event_apply_filters (xevent=xevent@entry=0xbfffedcc, 
event=event@entry=0x8753938, 
    window=0x82bcf38) at 
/build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:81
#5  0xb79bf076 in gdk_event_source_translate_event (xevent=0xbfffedcc, 
event_source=0x809a5a8)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:202
#6  _gdk_x11_display_queue_events (display=0x808f830) at 
/build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:332
#7  0xb798d47e in gdk_display_get_event (display=display@entry=0x808f830)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/gdkdisplay.c:310
#8  0xb79becda in gdk_event_source_dispatch (source=source@entry=0x809a5a8, 
callback=0, user_data=0x0)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:354
#9  0xb7702b13 in g_main_dispatch (context=0x807f5e8) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539
#10 g_main_context_dispatch (context=context@entry=0x807f5e8) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3075
#11 0xb7702eb0 in g_main_context_iterate (context=0x807f5e8, 
block=block@entry=1, dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3146
#12 0xb770330b in g_main_loop_run (loop=loop@entry=0x8124ac0) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
#13 0xb7ba0bbd in gtk_main () at 
/build/buildd/gtk+3.0-3.5.6/./gtk/gtkmain.c:1162
#14 0x0804f055 in main ()


(gdb) thread apply all bt

Thread 30 (Thread 0xaffe4b40 (LWP 14267)):
#0  0xb7fdf1b2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0xb76aad13 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
    at 
../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
#2  0xb7743280 in g_cond_wait_until (cond=cond@entry=0x8267f80, 
mutex=mutex@entry=0x8267f78, end_time=8185892561)
    at /build/buildd/glib2.0-2.33.3/./glib/gthread-posix.c:855
#3  0xb76d62c9 in g_async_queue_pop_intern_unlocked 
(queue=queue@entry=0x8267f78, wait=wait@entry=1, 
    end_time=8185892561) at 
/build/buildd/glib2.0-2.33.3/./glib/gasyncqueue.c:424
#4  0xb76d6b0e in g_async_queue_timeout_pop (queue=0x8267f78, timeout=15000000)
    at /build/buildd/glib2.0-2.33.3/./glib/gasyncqueue.c:545
#5  0xb7727e4f in g_thread_pool_wait_for_new_pool () at 
/build/buildd/glib2.0-2.33.3/./glib/gthreadpool.c:169
#6  g_thread_pool_thread_proxy (data=0x82618a0) at 
/build/buildd/glib2.0-2.33.3/./glib/gthreadpool.c:366
#7  0xb77274c3 in g_thread_proxy (data=0x89f28f0) at 
/build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
#8  0xb76a6d4c in start_thread (arg=0xaffe4b40) at pthread_create.c:308
#9  0xb75e5ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 3 (Thread 0xb5fffb40 (LWP 14218)):
#0  0xb7fdf1b2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0xb75d7380 in __GI___poll (fds=fds@entry=0xb5602298, nfds=nfds@entry=3, 
timeout=timeout@entry=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb77115db in g_poll (fds=0xb5602298, nfds=3, timeout=-1) at 
/build/buildd/glib2.0-2.33.3/./glib/gpoll.c:132
#3  0xb7702e30 in g_main_context_poll (n_fds=3, fds=0xb5602298, 
timeout=<optimized out>, context=0xb60080d0, 
    priority=<optimized out>) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
#4  g_main_context_iterate (context=0xb60080d0, block=block@entry=1, 
dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
#5  0xb770330b in g_main_loop_run (loop=0xb6008098) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
#6  0xb78e62fa in gdbus_shared_thread_func (user_data=0xb60080b8)
    at /build/buildd/glib2.0-2.33.3/./gio/gdbusprivate.c:277
#7  0xb77274c3 in g_thread_proxy (data=0xb6003f50) at 
/build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
#8  0xb76a6d4c in start_thread (arg=0xb5fffb40) at pthread_create.c:308
#9  0xb75e5ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 2 (Thread 0xb695eb40 (LWP 14217)):
#0  0xb7fdf1b2 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
#1  0xb75d7380 in __GI___poll (fds=fds@entry=0xb6000c78, nfds=nfds@entry=1, 
timeout=timeout@entry=-1)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#2  0xb77115db in g_poll (fds=0xb6000c78, nfds=1, timeout=-1) at 
/build/buildd/glib2.0-2.33.3/./glib/gpoll.c:132
#3  0xb7702e30 in g_main_context_poll (n_fds=1, fds=0xb6000c78, 
timeout=<optimized out>, context=0x80bc9b0, 
    priority=<optimized out>) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3440
#4  g_main_context_iterate (context=0x80bc9b0, block=block@entry=1, 
dispatch=dispatch@entry=1, 
---Type <return> to continue, or q <return> to quit---
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3141
#5  0xb770330b in g_main_loop_run (loop=0xb6000c68) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
#6  0xb6a24264 in ?? () from 
/usr/lib/i386-linux-gnu/gio/modules/libdconfsettings.so
#7  0xb77274c3 in g_thread_proxy (data=0x80ba6c0) at 
/build/buildd/glib2.0-2.33.3/./glib/gthread.c:801
#8  0xb76a6d4c in start_thread (arg=0xb695eb40) at pthread_create.c:308
#9  0xb75e5ace in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130

Thread 1 (Thread 0xb6ceb840 (LWP 14214)):
#0  0xb73d5b98 in cairo_region_is_empty () from 
/usr/lib/i386-linux-gnu/libcairo.so.2
#1  0xb7fceedc in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#2  0xb7fcf689 in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#3  0xb7fd17bc in ?? () from 
/usr/lib/i386-linux-gnu/gtk-3.0/modules/liboverlay-scrollbar.so
#4  0xb79bee9d in gdk_event_apply_filters (xevent=xevent@entry=0xbfffedcc, 
event=event@entry=0x8753938, 
    window=0x82bcf38) at 
/build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:81
#5  0xb79bf076 in gdk_event_source_translate_event (xevent=0xbfffedcc, 
event_source=0x809a5a8)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:202
#6  _gdk_x11_display_queue_events (display=0x808f830) at 
/build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:332
#7  0xb798d47e in gdk_display_get_event (display=display@entry=0x808f830)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/gdkdisplay.c:310
#8  0xb79becda in gdk_event_source_dispatch (source=source@entry=0x809a5a8, 
callback=0, user_data=0x0)
    at /build/buildd/gtk+3.0-3.5.6/./gdk/x11/gdkeventsource.c:354
#9  0xb7702b13 in g_main_dispatch (context=0x807f5e8) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:2539
#10 g_main_context_dispatch (context=context@entry=0x807f5e8) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3075
#11 0xb7702eb0 in g_main_context_iterate (context=0x807f5e8, 
block=block@entry=1, dispatch=dispatch@entry=1, 
    self=<error reading variable: Unhandled dwarf expression opcode 0xfa>)
    at /build/buildd/glib2.0-2.33.3/./glib/gmain.c:3146
#12 0xb770330b in g_main_loop_run (loop=loop@entry=0x8124ac0) at 
/build/buildd/glib2.0-2.33.3/./glib/gmain.c:3340
#13 0xb7ba0bbd in gtk_main () at 
/build/buildd/gtk+3.0-3.5.6/./gtk/gtkmain.c:1162
#14 0x0804f055 in main ()

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: glade 3.13.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.5.0-3.3-generic 3.5.0-rc5
Uname: Linux 3.5.0-3-generic i686
ApportVersion: 2.2.5-0ubuntu2
Architecture: i386
Date: Wed Jul  4 20:52:53 2012
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 
(20120423.2)
SourcePackage: glade
UpgradeStatus: Upgraded to quantal on 2012-06-23 (11 days ago)

** Affects: glade (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: overlay-scrollbar (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 quantal running-unity

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https://bugs.launchpad.net/bugs/1021043

Title:
  Program received signal SIGSEGV, Segmentation fault. 0xb73d5b98 in
  cairo_region_is_empty () from /usr/lib/i386-linux-gnu/libcairo.so.2

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