.
Thread 2 (process 15078):
#0  0x00007f2de8187e81 in nanosleep () from /lib/libpthread.so.0
#1  0x00007f2de89753ec in wxMicroSleep () from /usr/lib/libwx_baseu-2.6.so.0
#2  0x00000000004480cb in AudioThread::Entry (this=0xd3ea70) at AudioIO.cpp:1654
No locals.
#3  0x00007f2de8970d32 in wxThreadInternal::PthreadStart () from /usr/lib/libwx_baseu-2.6.so.0
#4  0x00007f2de81803f7 in start_thread () from /lib/libpthread.so.0
#5  0x00007f2de754c95d in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()
.
Thread 1 (process 15077):
#0  0x000000000048f44d in AudacityProject::GetUpdateFlags (this=0xd62720) at Menus.cpp:1032
	flags = 4194395
	iter = {l = 0xfa69e0, cur = 0x7f2de77d30a0}
	t = (class Track *) 0x17be850
#1  0x00000000004aa679 in AudacityProject::UpdateMenus (this=0xd62720) at Menus.cpp:1151
	flags = <value optimized out>
#2  0x00000000004b79de in AudacityProject::FixScrollbars (this=0xd62720) at Project.cpp:1179
	rescroll = false
	totalHeight = <value optimized out>
	panelWidth = 1724
	panelHeight = 784
	oldhstate = true
	oldvstate = false
	scaledSbarScreen = <value optimized out>
#3  0x00000000005119c8 in TrackPanel::DoDrawIndicator (this=0x12198d0, dc=@0x7ffff3904c40)
    at TrackPanel.cpp:929
	onScreen = false
	x = <value optimized out>
	pos = -1000000000
	p = (class AudacityProject *) 0xd62720
	audioActive = false
	panelarea = {x = 27292160, y = 0, width = -384124732, height = 32557}
	iter = {l = 0x11ff830, cur = 0x12198d0}
	y = <value optimized out>
	t = <value optimized out>
#4  0x0000000000522ba1 in TrackPanel::OnPaint (this=0x12198d0) at TrackPanel.cpp:1134
	dc = <value optimized out>
	box = {x = 0, y = 0, width = 1866, height = 784}
	cdc = <incomplete type>
#5  0x00007f2de8971cad in wxEvtHandler::ProcessEventIfMatches () from /usr/lib/libwx_baseu-2.6.so.0
#6  0x00007f2de8971e6c in wxEventHashTable::HandleEvent () from /usr/lib/libwx_baseu-2.6.so.0
#7  0x00007f2de8971fad in wxEvtHandler::ProcessEvent () from /usr/lib/libwx_baseu-2.6.so.0
#8  0x00007f2de91c36e7 in wxWindow::GtkSendPaintEvents () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#9  0x00007f2de91c39fb in gtk_window_expose_callback () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#10 0x00007f2de6dee4ff in _gtk_marshal_BOOLEAN__BOXED (closure=0x121a110, return_value=0x7ffff3905510, 
    n_param_values=<value optimized out>, param_values=0x7ffff39055f0, 
    invocation_hint=<value optimized out>, marshal_data=0x7f2de91c3960)
    at /build/buildd/gtk+2.0-2.12.7/gtk/gtkmarshalers.c:84
	data1 = (gpointer) 0x11ff830
	data2 = (gpointer) 0x15daaa0
	v_return = <value optimized out>
	__PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#11 0x00007f2de6a68c1f in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#12 0x00007f2de6a7da92 in ?? () from /usr/lib/libgobject-2.0.so.0
#13 0x00007f2de6a7f13f in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#14 0x00007f2de6a7f833 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#15 0x00007f2de6ef5785 in gtk_widget_event_internal (widget=0x11ff830, event=0x7ffff39059f0)
    at /build/buildd/gtk+2.0-2.12.7/gtk/gtkwidget.c:4678
	signal_num = <value optimized out>
	return_val = 0
#16 0x00007f2de6de899e in IA__gtk_main_do_event (event=0x7ffff39059f0)
    at /build/buildd/gtk+2.0-2.12.7/gtk/gtkmain.c:1514
	event_widget = (GtkWidget *) 0x11ff830
	grab_widget = (GtkWidget *) 0x11ff830
	window_group = (GtkWindowGroup *) 0x12c4c40
	rewritten_event = (GdkEvent *) 0x0
	tmp_list = <value optimized out>
	__PRETTY_FUNCTION__ = "IA__gtk_main_do_event"
#17 0x00007f2de6321d3b in gdk_window_process_updates_internal (window=0x12a2ab0)
    at /build/buildd/gtk+2.0-2.12.7/gdk/gdkwindow.c:2378
	event = {type = GDK_EXPOSE, any = {type = GDK_EXPOSE, window = 0x12a2ab0, 
    send_event = 0 '\0'}, expose = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', 
    area = {x = 0, y = 0, width = 1866, height = 784}, region = 0x19e0a10, count = 0}, no_expose = {
    type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0'}, visibility = {type = GDK_EXPOSE, 
    window = 0x12a2ab0, send_event = 0 '\0', state = GDK_VISIBILITY_UNOBSCURED}, motion = {
    type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', time = 0, x = 3.9596441459411981e-311, 
    y = 3.8734746633953729e-321, axes = 0x19e0a10, state = 0, is_hint = 0, device = 0x0, 
    x_root = 4.9406564584124654e-324, y_root = 6.9087727504611363e-310}, button = {type = GDK_EXPOSE, 
    window = 0x12a2ab0, send_event = 0 '\0', time = 0, x = 3.9596441459411981e-311, 
    y = 3.8734746633953729e-321, axes = 0x19e0a10, state = 0, button = 0, device = 0x0, 
    x_root = 4.9406564584124654e-324, y_root = 6.9087727504611363e-310}, scroll = {type = GDK_EXPOSE, 
    window = 0x12a2ab0, send_event = 0 '\0', time = 0, x = 3.9596441459411981e-311, 
    y = 3.8734746633953729e-321, state = 27134480, direction = GDK_SCROLL_UP, device = 0x0, 
    x_root = 0, y_root = 4.9406564584124654e-324}, key = {type = GDK_EXPOSE, window = 0x12a2ab0, 
    send_event = 0 '\0', time = 0, state = 0, keyval = 1866, length = 784, string = 0x19e0a10 "\002", 
    hardware_keycode = 0, group = 0 '\0', is_modifier = 0}, crossing = {type = GDK_EXPOSE, 
    window = 0x12a2ab0, send_event = 0 '\0', subwindow = 0x74a00000000, time = 784, 
    x = 1.3406214385766388e-316, y = 0, x_root = 0, y_root = 4.9406564584124654e-324, 
    mode = 3866972276, detail = 32557, focus = -401064496, state = 32557}, focus_change = {
    type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', in = 0}, configure = {
    type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', x = 0, y = 0, width = 1866, 
    height = 784}, property = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', 
    atom = 0x74a00000000, time = 784, state = 0}, selection = {type = GDK_EXPOSE, window = 0x12a2ab0, 
    send_event = 0 '\0', selection = 0x74a00000000, target = 0x310, property = 0x19e0a10, time = 0, 
    requestor = 0}, owner_change = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', 
    owner = 0, reason = GDK_OWNER_CHANGE_NEW_OWNER, selection = 0x310, time = 27134480, 
    selection_time = 0}, proximity = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', 
    time = 0, device = 0x74a00000000}, client = {type = GDK_EXPOSE, window = 0x12a2ab0, 
    send_event = 0 '\0', message_type = 0x74a00000000, data_format = 784, data = {
      b = "\020\n\236\001", '\0' <repeats 15 times>, s = {2576, 414, 0, 0, 0, 0, 0, 0, 0, 0}, l = {
        27134480, 0, 0, 1, 139835117228148}}}, dnd = {type = GDK_EXPOSE, window = 0x12a2ab0, 
    send_event = 0 '\0', context = 0x74a00000000, time = 784, x_root = 0, y_root = 0}, window_state = {
    type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', changed_mask = 0, 
    new_window_state = 0}, setting = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', 
    action = GDK_SETTING_ACTION_NEW, name = 0x74a00000000 <Address 0x74a00000000 out of bounds>}, 
  grab_broken = {type = GDK_EXPOSE, window = 0x12a2ab0, send_event = 0 '\0', keyboard = 0, 
    implicit = 0, grab_window = 0x310}}
	window_rect = {x = 0, y = 0, width = 1866, height = 784}
	expose_region = (GdkRegion *) 0x19e0a10
	window_region = <value optimized out>
	width = 1866
	height = 784
	save_region = 1
#18 0x00007f2de6322357 in IA__gdk_window_process_all_updates ()
    at /build/buildd/gtk+2.0-2.12.7/gdk/gdkwindow.c:2444
	private = (GdkWindowObject *) 0x12a2ab0
	old_update_windows = (GSList *) 0x1a0a770
	tmp_list = (GSList *) 0x19d9900
#19 0x00007f2de6322379 in gdk_window_update_idle (data=0x17be850)
    at /build/buildd/gtk+2.0-2.12.7/gdk/gdkwindow.c:2288
No locals.
#20 0x00007f2de630989e in gdk_threads_dispatch (data=0x19e95a0)
    at /build/buildd/gtk+2.0-2.12.7/gdk/gdk.c:470
	ret = 0
#21 0x00007f2de67d5384 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0x00007f2de67d8695 in ?? () from /usr/lib/libglib-2.0.so.0
#23 0x00007f2de67d89b5 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#24 0x00007f2de6de8b83 in IA__gtk_main () at /build/buildd/gtk+2.0-2.12.7/gtk/gtkmain.c:1163
	tmp_list = (GList *) 0xc316a0
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0x7f2de95a1e28
	loop = (GMainLoop *) 0xb7d100
#25 0x00007f2de91b13b1 in wxEventLoop::Run () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#26 0x00007f2de9238b0b in wxAppBase::MainLoop () from /usr/lib/libwx_gtk2u_core-2.6.so.0
#27 0x00007f2de89210ac in wxEntry () from /usr/lib/libwx_baseu-2.6.so.0
#28 0x00000000004415d2 in main (argc=1, argv=0x0) at AudacityApp.cpp:346
No locals.
#29 0x00007f2de74931c4 in __libc_start_main () from /lib/libc.so.6
#30 0x0000000000439039 in _start ()