.
Thread 2 (process 17858):
#0  0xb7f16430 in __kernel_vsyscall ()
#1  0xb75be906 in nanosleep () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7771598 in wxMicroSleep (microseconds=0) at ../src/unix/utilsunx.cpp:180
	tmReq = {tv_sec = 0, tv_nsec = 10000000}
#3  0xb77715c1 in wxMilliSleep (milliseconds=10)
    at ../src/unix/utilsunx.cpp:201
No locals.
#4  0xb776a6bd in wxThread::Sleep (milliseconds=10)
    at ../src/unix/threadpsx.cpp:974
No locals.
#5  0x08085e87 in AudioThread::Entry (this=0xa07f810) at AudioIO.cpp:1631
No locals.
#6  0xb776c343 in wxThreadInternal::PthreadStart (thread=0xa07f810)
    at ../src/unix/threadpsx.cpp:763
	pthread = (wxThreadInternal *) 0xa081248
	rc = <value optimized out>
	dontRunAtAll = false
#7  0xb776c3bd in wxPthreadStart (ptr=0xa07f810)
    at ../src/unix/threadpsx.cpp:715
No locals.
#8  0xb75b750f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#9  0xb74067ee in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 17848):
#0  0x080ce590 in AudacityProject::GetUpdateFlags (this=0xa0c6240)
    at Menus.cpp:1047
	flags = 4194329
	iter = {l = 0xa2a1dc8, cur = 0xb7480298}
	t = <value optimized out>
#1  0x080d1bcf in AudacityProject::UpdateMenus (this=0xa0c6240)
    at Menus.cpp:1166
	flags = <value optimized out>
	flags2 = <value optimized out>
#2  0xb76e84e1 in wxAppConsole::HandleEvent (this=0x9eb6198, 
    handler=0xa0c6240, func=0xbfc17964, event=@0xbfc17ad4)
    at ../src/common/appbase.cpp:324
No locals.
#3  0xb776d2bd in wxEvtHandler::ProcessEventIfMatches (entry=@0x84c5a40, 
    handler=0xa0c6240, event=@0xbfc17ad4) at ../src/common/event.cpp:1193
	tableId1 = <value optimized out>
	tableId2 = <value optimized out>
#4  0xb776e424 in wxEventHashTable::HandleEvent (this=0x84c5660, 
    event=@0xbfc17ad4, self=0xa0c6240) at ../src/common/event.cpp:875
	n = 0
	count = 1
	eventType = 10176
	eTTnode = (wxEventHashTable::EventTypeTable * const) 0xa479498
#5  0xb776e53b in wxEvtHandler::ProcessEvent (this=0xa0c6240, 
    event=@0xbfc17ad4) at ../src/common/event.cpp:1255
No locals.
#6  0xb79ff7ad in wxWindowBase::TryParent (this=0xbfc17964, event=@0xbfc17ad4)
    at ../src/common/wincmn.cpp:2528
	parent = <value optimized out>
#7  0xb776e4d1 in wxEvtHandler::ProcessEvent (this=0xa30d650, 
    event=@0xbfc17ad4) at ../src/common/event.cpp:1268
No locals.
#8  0xb79ff7ad in wxWindowBase::TryParent (this=0xbfc17964, event=@0xbfc17ad4)
    at ../src/common/wincmn.cpp:2528
	parent = <value optimized out>
#9  0xb776e4d1 in wxEvtHandler::ProcessEvent (this=0xa2f7150, 
    event=@0xbfc17ad4) at ../src/common/event.cpp:1268
No locals.
#10 0xb7a01a7b in wxWindowBase::UpdateWindowUI (this=0xa2f7150, flags=2)
    at ../src/common/wincmn.cpp:2106
	event = {<wxCommandEvent> = {<wxEvent> = {<wxObject> = {
        _vptr.wxObject = 0xb7aae5c8, static ms_classInfo = {
          m_className = 0xb778b8fc, m_objectSize = 8, m_objectConstructor = 0, 
          m_baseInfo1 = 0x0, m_baseInfo2 = 0x0, static sm_first = 0x84c4a10, 
          m_next = 0xb77d046c, static sm_classTable = 0x9e893e8}, 
        m_refData = 0x0}, m_eventObject = 0xa2f7150, m_eventType = 10176, 
      m_timeStamp = 0, m_id = 1, m_callbackUserData = 0x0, 
      m_propagationLevel = 2147483645, m_skipped = false, 
      m_isCommandEvent = true, static ms_classInfo = {
        m_className = 0xb778fe94, m_objectSize = 36, m_objectConstructor = 0, 
        m_baseInfo1 = 0xb77d0430, m_baseInfo2 = 0x0, 
        static sm_first = 0x84c4a10, m_next = 0x84be078, 
        static sm_classTable = 0x9e893e8}}, m_commandString = {
      m_evt = 0xbfc17ad4}, m_cmdString = {<wxStringBase> = {
        static npos = 4294967295, m_pchData = 0xb778c16c}, <No data fields>}, 
    m_commandInt = 0, m_extraLong = 0, m_clientData = 0x0, 
    m_clientObject = 0x0, static ms_classInfo = {m_className = 0xb7a3a310, 
      m_objectSize = 60, 
      m_objectConstructor = 0xb78df460 <wxCommandEvent::wxCreateObject()>, 
      m_baseInfo1 = 0xb77d07c0, m_baseInfo2 = 0x0, 
      static sm_first = 0x84c4a10, m_next = 0xb7acdd88, 
      static sm_classTable = 0x9e893e8}}, m_checked = false, 
  m_enabled = false, m_setEnabled = false, m_setText = false, 
  m_setChecked = false, m_text = {<wxStringBase> = {static npos = 4294967295, 
      m_pchData = 0xb778c16c}, <No data fields>}, static sm_lastUpdate = {
    m_ll = 0}, static sm_updateInterval = 0, 
  static sm_updateMode = wxUPDATE_UI_PROCESS_ALL, static ms_classInfo = {
    m_className = 0xb7a3a8f8, m_objectSize = 72, 
    m_objectConstructor = 0xb78dfb20 <wxUpdateUIEvent::wxCreateObject()>, 
    m_baseInfo1 = 0xb7acdda0, m_baseInfo2 = 0x0, static sm_first = 0x84c4a10, 
    m_next = 0xb7acdfe0, static sm_classTable = 0x9e893e8}}
#11 0xb7918505 in wxWindow::OnInternalIdle (this=0xa2f7150)
    at ../src/gtk/window.cpp:3375
	cursor = {<wxObject> = {_vptr.wxObject = 0xb7aaf4b8, 
    static ms_classInfo = {m_className = 0xb778b8fc, m_objectSize = 8, 
      m_objectConstructor = 0, m_baseInfo1 = 0x0, m_baseInfo2 = 0x0, 
      static sm_first = 0x84c4a10, m_next = 0xb77d046c, 
      static sm_classTable = 0x9e893e8}, m_refData = 0x9f1f3a8}, 
  static ms_classInfo = {m_className = 0xb7a3c030, m_objectSize = 8, 
    m_objectConstructor = 0xb78f5270 <wxCursor::wxCreateObject()>, 
    m_baseInfo1 = 0xb77d0430, m_baseInfo2 = 0x0, static sm_first = 0x84c4a10, 
    m_next = 0xb7ace6cc, static sm_classTable = 0x9e893e8}}
#12 0xb7991742 in wxAppBase::SendIdleEvents (this=0x9eb6198, win=0xa2f7150, 
    event=@0xbfc17bf8) at ../src/common/appcmn.cpp:426
	needMore = <value optimized out>
	node = <value optimized out>
#13 0xb7991777 in wxAppBase::SendIdleEvents (this=0x9eb6198, win=0xa30d650, 
    event=@0xbfc17bf8) at ../src/common/appcmn.cpp:440
	needMore = false
	node = (class wxWindowListNode *) 0xa31a570
#14 0xb7991777 in wxAppBase::SendIdleEvents (this=0x9eb6198, win=0xa0c6240, 
    event=@0xbfc17bf8) at ../src/common/appcmn.cpp:440
	needMore = false
	node = (class wxWindowListNode *) 0xa2f5100
#15 0xb79918c9 in wxAppBase::ProcessIdle (this=0x9eb6198)
    at ../src/common/appcmn.cpp:406
	event = {<wxEvent> = {<wxObject> = {_vptr.wxObject = 0xb7aae908, 
      static ms_classInfo = {m_className = 0xb778b8fc, m_objectSize = 8, 
        m_objectConstructor = 0, m_baseInfo1 = 0x0, m_baseInfo2 = 0x0, 
        static sm_first = 0x84c4a10, m_next = 0xb77d046c, 
        static sm_classTable = 0x9e893e8}, m_refData = 0x0}, 
    m_eventObject = 0xa318f30, m_eventType = 10001, m_timeStamp = 0, m_id = 0, 
    m_callbackUserData = 0x0, m_propagationLevel = 0, m_skipped = false, 
    m_isCommandEvent = false, static ms_classInfo = {m_className = 0xb778fe94, 
      m_objectSize = 36, m_objectConstructor = 0, m_baseInfo1 = 0xb77d0430, 
      m_baseInfo2 = 0x0, static sm_first = 0x84c4a10, m_next = 0x84be078, 
      static sm_classTable = 0x9e893e8}}, m_requestMore = false, 
  static sm_idleMode = wxIDLE_PROCESS_ALL, static ms_classInfo = {
    m_className = 0xb7a3a2e0, m_objectSize = 36, 
    m_objectConstructor = 0xb78e06d0 <wxIdleEvent::wxCreateObject()>, 
    m_baseInfo1 = 0xb77d07c0, m_baseInfo2 = 0x0, static sm_first = 0x84c4a10, 
    m_next = 0xb7ace314, static sm_classTable = 0x9e893e8}}
	needMore = false
	node = (class wxWindowListNode *) 0xa0ab278
#16 0xb78ece2b in wxapp_idle_callback () at ../src/gtk/app.cpp:281
	moreIdles = 180
#17 0xb6ec47c1 in ?? () from /usr/lib/libglib-2.0.so.0
#18 0xb6ec66f8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0xb6ec9da3 in ?? () from /usr/lib/libglib-2.0.so.0
#20 0xb6eca2c2 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#21 0xb70aa3a9 in IA__gtk_main ()
    at /build/buildd/gtk+2.0-2.14.4/gtk/gtkmain.c:1200
	tmp_list = (GList *) 0xffffffff
	functions = (GList *) 0x0
	init = (GtkInitFunction *) 0xa67e080
	loop = (GMainLoop *) 0x9ea3298
#22 0xb7906c1b in wxEventLoop::Run (this=0xa67e080)
    at ../src/gtk/evtloop.cpp:80
	oldLoop = (wxEventLoop *) 0x0
	exitcode = -1
#23 0xb799180e in wxAppBase::MainLoop (this=0x9eb6198)
    at ../src/common/appcmn.cpp:272
	mainLoop = {<wxEventLoopPtr> = {m_ptr = 0xa67e080}, m_pp = 0x9eb61d8, 
  m_pOld = 0x0}
#24 0xb7991441 in wxAppBase::OnRun (this=0xa9d1020)
    at ../src/common/appcmn.cpp:340
No locals.
#25 0xb771b1ba in wxEntry (argc=@0xbfc17ec0, argv=0x9e8a8b0)
    at ../src/common/init.cpp:439
No locals.
#26 0xb771b276 in wxEntry (argc=@0xbfc17ec0, argv=0xbfc17f44)
    at ../src/common/init.cpp:451
No locals.
#27 0x0807f8b0 in main (argc=170532296, argv=0xb7480298) at AudacityApp.cpp:356
No locals.