$ gdb nautilus
GNU gdb (Ubuntu/Linaro 7.2-1ubuntu11) 7.2
Copyright (C) 2010 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://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/bin/nautilus...Reading symbols from /usr/lib/debug/usr/bin/nautilus...done.
done.
(gdb) r
Starting program: /usr/bin/nautilus

...

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.
[Thread 0x7fffd4dc7700 (LWP 3643) exited]

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

(nautilus:15666): Gtk-WARNING **: gtk_widget_size_allocate(): attempt to underallocate NautilusPathBar's child GtkButton 0xb40360. Allocation is 23x35, but minimum required size is 27x27.

Program received signal SIGSEGV, Segmentation fault.
nautilus_icon_container_search_entry_flush_timeout (container=0x27e3bc0) at nautilus-icon-container.c:4948
4948	nautilus-icon-container.c: No such file or directory.
	in nautilus-icon-container.c



---


(gdb) backtrace full
#0  nautilus_icon_container_search_entry_flush_timeout (container=0x27e3bc0) at nautilus-icon-container.c:4948
No locals.
#1  0x00007ffff4d9803b in g_timeout_dispatch (source=0x2ac86a0, callback=<value optimised out>, user_data=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3955
        timeout_source = 0x2ac86a0
        again = <value optimised out>
#2  0x00007ffff4d9685d in g_main_dispatch (context=0x7a7c50) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:2477
        dispatch = 0x7ffff4d98020 <g_timeout_dispatch>
        was_in_call = 0
        user_data = 0x27e3bc0
        callback = 0x4c0e20 <nautilus_icon_container_search_entry_flush_timeout>
        cb_funcs = 0x7ffff503f650
        cb_data = 0x2dbaa30
        current_source_link = {data = 0x2ac86a0, next = 0x0}
        need_destroy = <value optimised out>
        source = 0x2ac86a0
        current = 0x804c60
        i = <value optimised out>
#3  g_main_context_dispatch (context=0x7a7c50) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3050
No locals.
#4  0x00007ffff4d97058 in g_main_context_iterate (context=0x7a7c50, block=<value optimised out>, dispatch=1, self=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3128
        max_priority = 2147483647
        timeout = 7
        some_ready = 1
        nfds = 13
        allocated_nfds = <value optimised out>
        fds = <value optimised out>
#5  0x00007ffff4d97592 in g_main_loop_run (loop=0x77d990) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x00007ffff6b66dcd in gtk_main () from /usr/lib/libgtk-3.so.0
No symbol table info available.
#7  0x00007ffff60a448e in g_application_run (application=0x77e800, argc=<value optimised out>, argv=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./gio/gapplication.c:1326
        arguments = 0x77d990
---Type <return> to continue, or q <return> to quit---
        status = 0
        i = <value optimised out>
        __PRETTY_FUNCTION__ = "g_application_run"
#8  0x000000000042b2c0 in main (argc=1, argv=0x7fffffffe148) at nautilus-main.c:102
        retval = <value optimised out>
        application = 0x77e800


---


(gdb) info registers
rax            0xaaaaaaaaaaaaaaaa	-6148914691236517206
rbx            0x2ac86a0	44861088
rcx            0x7fffffffdef0	140737488346864
rdx            0x27e3bc0	41827264
rsi            0x27e3bc0	41827264
rdi            0x27e3bc0	41827264
rbp            0x1	0x1
rsp            0x7fffffffde90	0x7fffffffde90
r8             0x7a7c58	8027224
r9             0x3d32	15666
r10            0x1	1
r11            0x1	1
r12            0x1	1
r13            0x804c60	8408160
r14            0x7ffff503f650	140737304065616
r15            0x7a7c50	8027216
rip            0x4c0e2e	0x4c0e2e <nautilus_icon_container_search_entry_flush_timeout+14>
eflags         0x10206	[ PF IF RF ]
cs             0x33	51
ss             0x2b	43
ds             0x0	0
es             0x0	0
fs             0x0	0
gs             0x0	0


---


(gdb) x/16i $pc
=> 0x4c0e2e <nautilus_icon_container_search_entry_flush_timeout+14>:	mov    0x390(%rax),%rdi
   0x4c0e35 <nautilus_icon_container_search_entry_flush_timeout+21>:	callq  0x4c0d00 <nautilus_icon_container_search_dialog_hide>
   0x4c0e3a <nautilus_icon_container_search_entry_flush_timeout+26>:	mov    $0x1,%eax
   0x4c0e3f <nautilus_icon_container_search_entry_flush_timeout+31>:	add    $0x8,%rsp
   0x4c0e43 <nautilus_icon_container_search_entry_flush_timeout+35>:	retq   
   0x4c0e44:	data32 data32 nopw %cs:0x0(%rax,%rax,1)
   0x4c0e50 <nautilus_icon_container_search_delete_event>:	mov    %rbx,-0x10(%rsp)
   0x4c0e55 <nautilus_icon_container_search_delete_event+5>:	mov    %rbp,-0x8(%rsp)
   0x4c0e5a <nautilus_icon_container_search_delete_event+10>:	mov    %rdi,%rbx
   0x4c0e5d <nautilus_icon_container_search_delete_event+13>:	sub    $0x18,%rsp
   0x4c0e61 <nautilus_icon_container_search_delete_event+17>:	mov    %rdx,%rbp
   0x4c0e64 <nautilus_icon_container_search_delete_event+20>:	callq  0x424e90 <gtk_widget_get_type@plt>
   0x4c0e69 <nautilus_icon_container_search_delete_event+25>:	test   %rbx,%rbx
   0x4c0e6c <nautilus_icon_container_search_delete_event+28>:	je     0x4c0e8a <nautilus_icon_container_search_delete_event+58>
   0x4c0e6e <nautilus_icon_container_search_delete_event+30>:	mov    (%rbx),%rdx
   0x4c0e71 <nautilus_icon_container_search_delete_event+33>:	test   %rdx,%rdx


---


(gdb) thread apply all backtrace

Thread 488 (Thread 0x7fffd55c9700 (LWP 3622)):
#0  0x00007ffff416df2b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff50434d5 in g_cond_timed_wait_posix_impl (cond=<value optimised out>, entered_mutex=<value optimised out>, abs_time=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./gthread/gthread-posix.c:242
#2  0x00007ffff4d6bd7f in g_async_queue_pop_intern_unlocked (queue=0x83a460, try=0, end_time=0x7fffd55c8bf0) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:415
#3  0x00007ffff4d6c5d1 in g_async_queue_timed_pop (queue=0x83a460, end_time=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:536
#4  0x00007ffff4dbe697 in g_thread_pool_wait_for_new_pool (data=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gthreadpool.c:175
#5  g_thread_pool_thread_proxy (data=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gthreadpool.c:378
#6  0x00007ffff4dbc256 in g_thread_create_proxy (data=0x303ca20) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
#7  0x00007ffff4168d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#8  0x00007ffff3ea21bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#9  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fffdf3fe700 (LWP 15690)):
#0  0x00007ffff416df2b in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007ffff50434d5 in g_cond_timed_wait_posix_impl (cond=<value optimised out>, entered_mutex=<value optimised out>, abs_time=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./gthread/gthread-posix.c:242
#2  0x00007ffff4d6bd7f in g_async_queue_pop_intern_unlocked (queue=0x868b30, try=0, end_time=0x7fffdf3fdb60) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:415
#3  0x00007ffff4d6c5d1 in g_async_queue_timed_pop (queue=0x868b30, end_time=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gasyncqueue.c:536
#4  0x00007fffdf405447 in ?? () from /usr/lib/nautilus/extensions-3.0/libnautilus-dropbox.so
#5  0x00007ffff4dbc256 in g_thread_create_proxy (data=0x86b1d0) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
#6  0x00007ffff4168d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff3ea21bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fffeafbe700 (LWP 15681)):
#0  0x00007ffff3e95073 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4d96d68 in g_main_context_poll (context=0x83d850, block=<value optimised out>, dispatch=1, self=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3441
#2  g_main_context_iterate (context=0x83d850, block=<value optimised out>, dispatch=1, self=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3123
#3  0x00007ffff4d97592 in g_main_loop_run (loop=0x839570) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
#4  0x00007fffeafc3a0b in ?? () from /usr/lib/gio/modules/libdconfsettings.so
#5  0x00007ffff4dbc256 in g_thread_create_proxy (data=0x83d940) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
#6  0x00007ffff4168d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
---Type <return> to continue, or q <return> to quit---
#7  0x00007ffff3ea21bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fffec1c9700 (LWP 15679)):
#0  0x00007ffff3e95073 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007ffff4d96d68 in g_main_context_poll (context=0x8348c0, block=<value optimised out>, dispatch=1, self=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3441
#2  g_main_context_iterate (context=0x8348c0, block=<value optimised out>, dispatch=1, self=<value optimised out>) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3123
#3  0x00007ffff4d97592 in g_main_loop_run (loop=0x834870) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
#4  0x00007ffff60cd6f6 in gdbus_shared_thread_func (user_data=0x834890) at /build/buildd/glib2.0-2.29.8/./gio/gdbusprivate.c:276
#5  0x00007ffff4dbc256 in g_thread_create_proxy (data=0x8349b0) at /build/buildd/glib2.0-2.29.8/./glib/gthread.c:1954
#6  0x00007ffff4168d8c in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#7  0x00007ffff3ea21bd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#8  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ffff7fb5980 (LWP 15666)):
#0  nautilus_icon_container_search_entry_flush_timeout (container=0x27e3bc0) at nautilus-icon-container.c:4948
#1  0x00007ffff4d9803b in g_timeout_dispatch (source=0x2ac86a0, callback=<value optimised out>, user_data=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3955
#2  0x00007ffff4d9685d in g_main_dispatch (context=0x7a7c50) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:2477
#3  g_main_context_dispatch (context=0x7a7c50) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3050
#4  0x00007ffff4d97058 in g_main_context_iterate (context=0x7a7c50, block=<value optimised out>, dispatch=1, self=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3128
#5  0x00007ffff4d97592 in g_main_loop_run (loop=0x77d990) at /build/buildd/glib2.0-2.29.8/./glib/gmain.c:3336
#6  0x00007ffff6b66dcd in gtk_main () from /usr/lib/libgtk-3.so.0
#7  0x00007ffff60a448e in g_application_run (application=0x77e800, argc=<value optimised out>, argv=<value optimised out>)
    at /build/buildd/glib2.0-2.29.8/./gio/gapplication.c:1326
#8  0x000000000042b2c0 in main (argc=1, argv=0x7fffffffe148) at nautilus-main.c:102