.
Thread 3 (process 4551):
#0  strlen () at ../sysdeps/i386/i486/strlen.S:40
No locals.
#1  0x0039bdeb in IA__g_strstr_len (haystack=0x0, haystack_len=7483344, 
    needle=0xb76b508a <Address 0xb76b508a out of bounds>)
    at /build/buildd/glib2.0-2.21.6/glib/gstrfuncs.c:2764
	p = <value optimized out>
	end = (const gchar *) 0x1d <Address 0x1d out of bounds>
	i = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_strstr_len"
#2  0x003877cb in IA__g_option_group_add_entries (group=0x2, 
    entries=0xb76b3e32) at /build/buildd/glib2.0-2.21.6/glib/goption.c:2115
	c = <value optimized out>
	i = <value optimized out>
	n_entries = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_option_group_add_entries"
#3  0x056ca22e in gst_init_get_option_group () at gst.c:398
	group = <value optimized out>
	gst_args = {{long_name = 0x574a050 "gst-version", 
    short_name = 0 '\0', flags = 8, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, 
    description = 0x5749fd6 "Print the GStreamer version", 
    arg_description = 0x0}, {long_name = 0x574a05e "gst-fatal-warnings", 
    short_name = 0 '\0', flags = 8, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, description = 0x5749ff2 "Make all warnings fatal", 
    arg_description = 0x0}, {long_name = 0x574a0ba "gst-debug-help", 
    short_name = 0 '\0', flags = 8, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, 
    description = 0x574a80c "Print available debug categories and exit", 
    arg_description = 0x0}, {long_name = 0x574a073 "gst-debug-level", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, 
    description = 0x574a838 "Default debug level from 1 (only error) to 5 (anything) or 0 for no output", arg_description = 0x574a00a "LEVEL"}, {
    long_name = 0x574a085 "gst-debug", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574a884 "Comma-separated list of category_name:level pairs to set specific levels for the individual categories. Example: GST_AUTOPLUG:5,GST_ELEMENT_*:3", arg_description = 0x5752da1 "LIST"}, {
    long_name = 0x574a0a5 "gst-debug-no-color", short_name = 0 '\0', 
    flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574a914 "Disable colored debugging output", 
    arg_description = 0x0}, {long_name = 0x574a091 "gst-debug-disable", 
    short_name = 0 '\0', flags = 8, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, description = 0x574a010 "Disable debugging", 
    arg_description = 0x0}, {long_name = 0x574a0cb "gst-plugin-spew", 
    short_name = 0 '\0', flags = 8, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, 
    description = 0x574a938 "Enable verbose plugin loading diagnostics", 
    arg_description = 0x0}, {long_name = 0x574a0dd "gst-plugin-path", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_CALLBACK, 
    arg_data = 0x56cb290, 
    description = 0x574a964 "Colon-separated paths containing plugins", 
    arg_description = 0x574a022 "PATHS"}, {
    long_name = 0x574a0ef "gst-plugin-load", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574a990 "Comma-separated list of plugins to preload in addition to the list stored in environment variable GST_PLUGIN_PATH", 
    arg_description = 0x574a028 "PLUGINS"}, {
    long_name = 0x574a101 "gst-disable-segtrap", short_name = 0 '\0', 
    flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574aa04 "Disable trapping of segmentation faults during plugin loading", arg_description = 0x0}, {
    long_name = 0x574a117 "gst-disable-registry-update", short_name = 0 '\0', 
    flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574a030 "Disable updating the registry", 
    arg_description = 0x0}, {
    long_name = 0x574a135 "gst-disable-registry-fork", short_name = 0 '\0', 
    flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x56cb290, 
    description = 0x574aa44 "Disable the use of fork() while scanning the registry", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\0', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, 
    arg_description = 0x0}}
#4  0x056ca345 in gst_init_check (argc=0x0, argv=0x0, err=0x0) at gst.c:450
	group = <value optimized out>
	ctx = (GOptionContext *) 0x9077448
	res = <value optimized out>
	__PRETTY_FUNCTION__ = "gst_init_check"
#5  0x03957a5e in brasero_burn_library_start (argc=0x0, argv=0x0)
    at burn-basics.c:232
	client = <value optimized out>
#6  0x00be42ef in nautilus_module_initialize (module=0x909c2f0)
    at nautilus-burn-extension.c:933
No locals.
#7  0x08145ede in nautilus_module_load (gmodule=0x909c2f0)
    at nautilus-module.c:96
No locals.
#8  0x002148c0 in IA__g_type_module_use (module=0x909c2f0)
    at /build/buildd/glib2.0-2.21.6/gobject/gtypemodule.c:257
	tmp_list = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_type_module_use"
#9  0x0814601a in nautilus_module_setup () at nautilus-module.c:173
	initialized = 1
#10 0x0806f9bf in nautilus_application_startup (application=0x9089200, 
    kill_shell=0, no_default_window=1, no_desktop=1, browser_window=0, 
    geometry=0x0, urls=0x0) at nautilus-application.c:666
	accel_map_filename = <value optimized out>
	message = (UniqueMessageData *) 0xbff92078
#11 0x080814c8 in main (argc=1, argv=0xbff92334) at nautilus-main.c:534
	kill_shell = 0
	no_default_window = 1
	browser_window = 0
	no_desktop = 0
	version = 0
	autostart_mode = 1
	autostart_id = <value optimized out>
	geometry = (gchar *) 0x0
	remaining = (const gchar **) 0x0
	perform_self_check = 0
	application = (NautilusApplication *) 0x9089200
	context = <value optimized out>
	file = (GFile *) 0x1
	uri = <value optimized out>
	uris = (char **) 0x0
	uris_array = <value optimized out>
	error = (GError *) 0x0
	options = {{long_name = 0x81a671a "check", short_name = 99 'c', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbff92250, 
    description = 0x81a675c "Perform a quick set of self-check tests.", 
    arg_description = 0x0}, {long_name = 0x81a664f "version", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbff9225c, 
    description = 0x81a6788 "Show the version of the program.", 
    arg_description = 0x0}, {long_name = 0x81aa2d8 "geometry", 
    short_name = 103 'g', flags = 0, arg = G_OPTION_ARG_STRING, 
    arg_data = 0xbff92258, 
    description = 0x81a67ac "Create the initial window with the given geometry.", arg_description = 0x81a6657 "GEOMETRY"}, {
    long_name = 0x81a6660 "no-default-window", short_name = 110 'n', 
    flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbff92268, 
    description = 0x81a67e0 "Only create windows for explicitly specified URIs.", arg_description = 0x0}, {long_name = 0x81a6672 "no-desktop", 
    short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0xbff92260, 
    description = 0x81a6814 "Do not manage the desktop (ignore the preference set in the preferences dialog).", arg_description = 0x0}, {
    long_name = 0x81a334b "browser", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0xbff92264, 
    description = 0x81a667d "open a browser window.", arg_description = 0x0}, 
  {long_name = 0x81c5f5d "quit", short_name = 113 'q', flags = 0, 
    arg = G_OPTION_ARG_NONE, arg_data = 0xbff9226c, 
    description = 0x81a6694 "Quit Nautilus.", arg_description = 0x0}, {
    long_name = 0x81ab621 "", short_name = 0 '\0', flags = 0, 
    arg = G_OPTION_ARG_STRING_ARRAY, arg_data = 0xbff92254, 
    description = 0x0, arg_description = 0x81a66a3 "[URI...]"}, {
    long_name = 0x0, short_name = 0 '\0', flags = 0, arg = G_OPTION_ARG_NONE, 
    arg_data = 0x0, description = 0x0, arg_description = 0x0}}
.
Thread 2 (process 4556):
#0  0x002f9422 in __kernel_vsyscall ()
No symbol table info available.
#1  0x008f8142 in pthread_cond_timedwait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#2  0x00b4915e in g_cond_timed_wait_posix_impl (cond=0xfffffdfc, 
    entered_mutex=0x1, abs_time=0xb7edf288)
    at /build/buildd/glib2.0-2.21.6/gthread/gthread-posix.c:242
	result = <value optimized out>
	end_time = {tv_sec = 1252664374, tv_nsec = 169809000}
	timed_out = <value optimized out>
	__PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x00355bec in g_async_queue_pop_intern_unlocked (queue=0x9090c20, 
    try=<value optimized out>, end_time=0xb7edf288)
    at /build/buildd/glib2.0-2.21.6/glib/gasyncqueue.c:375
	retval = <value optimized out>
	__PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x00355cf1 in IA__g_async_queue_timed_pop_unlocked (queue=0x909a6b8, 
    end_time=0x3512426) at /build/buildd/glib2.0-2.21.6/glib/gasyncqueue.c:514
	__PRETTY_FUNCTION__ = "IA__g_async_queue_timed_pop_unlocked"
#5  0x0909a6b8 in ?? ()
No symbol table info available.
#6  0x003a6a2e in g_thread_pool_thread_proxy (data=0x90a0bd0)
    at /build/buildd/glib2.0-2.21.6/glib/gthreadpool.c:220
	task = <value optimized out>
	pool = (GRealThreadPool *) 0x9090c20
#7  0x003a548f in IA__g_static_rec_mutex_lock (mutex=0x90a0c08)
    at /build/buildd/glib2.0-2.21.6/glib/gthread.c:308
	self = {data = "\204p\001", dummy_double = 1.8233953336844584e-307, 
  dummy_pointer = 0x17084, dummy_long = 94340}
	__PRETTY_FUNCTION__ = "IA__g_static_rec_mutex_lock"
#8  0x008f380e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#9  0x0355681e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Current language:  auto; currently asm
.
Thread 1 (process 4617):
#0  0x0020e1c2 in IA__g_type_instance_get_private (instance=0x1, 
    private_type=151747336)
    at /build/buildd/glib2.0-2.21.6/gobject/gtype.c:4183
	instance_node = <value optimized out>
	private_node = (TypeNode *) 0x2258ff4
	parent_node = <value optimized out>
	class = <value optimized out>
	offset = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__g_type_instance_get_private"
#1  0x02247d9e in brasero_medium_probed (data=0x1) at brasero-medium.c:2928
	priv = <value optimized out>
#2  0x003a5a4a in g_thread_init_glib ()
    at /build/buildd/glib2.0-2.21.6/glib/gthread.c:145
	main_thread = <value optimized out>
#3  0x008f32ef in __nptl_deallocate_tsd ()
   from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#4  0x008f381c in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
No symbol table info available.
#5  0x0355681e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Current language:  auto; currently c