Not at will. It happens fairly frequently though. Several times a day. Here's another one: Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb7de66c0 (LWP 14458)] GCGraphBuilder::AddNode (this=0xbfcb98ac, s=0xb04b8268, aParticipant=0x98a5c84) at nsCycleCollector.cpp:1287 1287 nsCycleCollector.cpp: No such file or directory. in nsCycleCollector.cpp Current language: auto; currently c++ (gdb) where #0 GCGraphBuilder::AddNode (this=0xbfcb98ac, s=0xb04b8268, aParticipant=0x98a5c84) at nsCycleCollector.cpp:1287 #1 0xb7a4d401 in GCGraphBuilder::NoteScriptChild (this=0xbfcb98ac, langID=2, child=0xb04b8268) at nsCycleCollector.cpp:1237 #2 0xb729b6b0 in NoteJSChild (trc=0x1e116820, thing=0xb04b8268, kind=0) at nsXPConnect.cpp:744 #3 0xb7d83df9 in JS_CallTracer (trc=0xbfcb9800, thing=0xb04b8268, kind=0) at jsgc.c:2449 #4 0xb7d99ecc in js_TraceObject (trc=0xbfcb9800, obj=0x12686780) at jsobj.c:5082 #5 0xb7d83bba in JS_TraceChildren (trc=0xbfcb9800, thing=0x12686780, kind=0) at jsgc.c:2233 #6 0xb729b770 in nsXPConnect::Traverse (this=0x98a5c70, p=0x12686780, cb=@0xbfcb98ac) at nsXPConnect.cpp:935 #7 0xb7a4cc84 in GCGraphBuilder::Traverse (this=0xbfcb98ac, aPtrInfo=0xadd5c134) at nsCycleCollector.cpp:1319 #8 0xb7a4cce7 in nsCycleCollector::MarkRoots (this=0x98436b0, builder=@0xbfcb98ac) at nsCycleCollector.cpp:1513 #9 0xb7a4d795 in nsCycleCollector::BeginCollection (this=0x98436b0) at nsCycleCollector.cpp:2368 #10 0xb7a4d7d8 in nsCycleCollector_beginCollection () at nsCycleCollector.cpp:2910 #11 0xb729c6cc in XPCCycleCollectGCCallback (cx=0x9b0b368, status=JSGC_MARK_END) at nsXPConnect.cpp:440 #12 0xb7d84d7a in js_GC (cx=0x9b0b368, gckind=GC_NORMAL) at jsgc.c:3239 #13 0xb7d6163a in JS_GC (cx=0x9b0b368) at jsapi.c:2469 #14 0xb729b950 in nsXPConnect::Collect (this=0x98a5c70) at nsXPConnect.cpp:529 #15 0xb7a4d8fa in nsCycleCollector::Collect (this=0x98436b0, aTryCollections=1) at nsCycleCollector.cpp:2250 #16 0xb7a4da39 in nsCycleCollector_collect () at nsCycleCollector.cpp:2898 #17 0xb7648f42 in nsJSContext::CC () at nsJSEnvironment.cpp:3346 #18 0xb7649012 in nsJSContext::MaybeCC (aHigherProbability=1) at nsJSEnvironment.cpp:3397 #19 0xb76493c5 in nsUserActivityObserver::Observe (this=0x9b0abd8, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", aData=0x0) at nsJSEnvironment.cpp:291 #20 0xb7a1c9a0 in nsObserverList::NotifyObservers (this=0x9c9d4ac, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", someData=0x0) at nsObserverList.cpp:128 #21 0xb7a1cc6e in nsObserverService::NotifyObservers (this=0x9895fa0, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", someData=0x0) at nsObserverService.cpp:181 #22 0xb75747ff in nsEventStateManager::PreHandleEvent (this=0x148e5938, aPresContext=0x136dcac0, aEvent=0xbfcbdf94, aTargetFrame=0x1473a868, aStatus=0xbfcbde4c, aView=0x12574c98) at nsEventStateManager.cpp:777 #23 0xb7401f5f in PresShell::HandleEventInternal (this=0x17bd30f8, aEvent=0xbfcbdf94, aView=0x12574c98, aStatus=0xbfcbde4c) at nsPresShell.cpp:5911 #24 0xb7402674 in PresShell::HandlePositionedEvent (this=0x17bd30f8, aView=0x12574c98, aTargetFrame=0x1473a868, aEvent=0xbfcbdf94, aEventStatus=0xbfcbde4c) at nsPresShell.cpp:5809 #25 0xb740285c in PresShell::HandleEvent (this=0x15653370, aView=0x16696e38, aEvent=0xbfcbdf94, aEventStatus=0xbfcbde4c) at nsPresShell.cpp:5662 #26 0xb7642603 in nsViewManager::HandleEvent (this=0x12574c38, aView=0x16696e38, aPoint= {x = -1077158172, y = -1077157996}, aEvent=0xbfcbdf94, aCaptured=0) at nsViewManager.cpp:1382 #27 0xb7643ee0 in nsViewManager::DispatchEvent (this=0x12574c38, aEvent=0xbfcbdf94, aStatus=0xbfcbdf30) at nsViewManager.cpp:1337 #28 0xb763ef7c in HandleEvent (aEvent=0xbfcbdf94) at nsView.cpp:168 #29 0xb7982630 in nsCommonWidget::DispatchEvent (this=0x18bd6408, aEvent=0xbfcbdf94, aStatus=@0xbfcbe004) at nsCommonWidget.cpp:158 #30 0xb797d769 in nsWindow::OnMotionNotifyEvent (this=0x18bd6408, aWidget=0x13d0b8e8, aEvent=0x9805720) at nsWindow.cpp:2026 #31 0xb797d8f1 in motion_notify_event_cb (widget=0x13d0b8e8, event=0x9805720) at nsWindow.cpp:4643 #32 0xb68bdef6 in _gtk_marshal_BOOLEAN__BOXED (closure=0x13bf3c50, return_value=0xbfcbe230, n_param_values=2, param_values=0x16bf9800, invocation_hint=0xbfcbe21c, marshal_data=0xb797d8cc) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmarshalers.c:84 #33 0xb6d02c4b in IA__g_closure_invoke (closure=0x13bf3c50, return_value=0xbfcbe230, n_param_values=2, param_values=0x16bf9800, invocation_hint=0xbfcbe21c) at /build/buildd/glib2.0-2.18.1/gobject/gclosure.c:767 #34 0xb6d19095 in signal_emit_unlocked_R (node=0x9810ea0, detail=0, instance=0x13d0b8e8, emission_return=0xbfcbe368, instance_and_params=0x16bf9800) at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:3244 #35 0xb6d1a62b in IA__g_signal_emit_valist (instance=0x13d0b8e8, signal_id=48, detail=0, var_args=0xbfcbe3c0 "��˿ W\200\t���\023�\223\235����\023�x\200\t") at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:2987 #36 0xb6d1ac26 in IA__g_signal_emit (instance=0x13d0b8e8, signal_id=48, detail=0) at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:3034 #37 0xb69d30ee in gtk_widget_event_internal (widget=0x13d0b8e8, event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkwidget.c:4745 #38 0xb68b6a0c in IA__gtk_propagate_event (widget=0x13d0b8e8, event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmain.c:2391 #39 0xb68b7db7 in IA__gtk_main_do_event (event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmain.c:1596 #40 0xb673250a in gdk_event_dispatch (source=0x97ef450, callback=0, user_data=0x0) at /build/buildd/gtk+2.0-2.14.3/gdk/x11/gdkevents-x11.c:2365 #41 0xb6c756f8 in IA__g_main_context_dispatch (context=0x97ef498) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2142 #42 0xb6c78da3 in g_main_context_iterate (context=0x97ef498, block=0, dispatch=1, self=0x97a8cb0) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2776 #43 0xb6c78f61 in IA__g_main_context_iteration (context=0x97ef498, may_block=0) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2839 #44 0xb7980f7c in nsAppShell::ProcessNextNativeEvent (this=0x98c6708, mayWait=0) at nsAppShell.cpp:144 #45 0xb7995fe4 in nsBaseAppShell::DoProcessNextNativeEvent (this=0x98c6708, mayWait=0) at nsBaseAppShell.cpp:151 #46 0xb79961ed in nsBaseAppShell::OnProcessNextEvent (this=0x98c6708, thr=0x981d6b0, mayWait=1, recursionDepth=0) at nsBaseAppShell.cpp:278 #47 0xb7a4250e in nsThread::ProcessNextEvent (this=0x981d6b0, mayWait=1, result=0xbfcbe644) at nsThread.cpp:497 #48 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x1e116820, mayWait=1) at nsThreadUtils.cpp:227 #49 0xb79962c4 in nsBaseAppShell::Run (this=0x98c6708) at nsBaseAppShell.cpp:170 #50 0xb782bab8 in nsAppStartup::Run (this=0x9909620) at nsAppStartup.cpp:181 #51 0xb7290508 in XRE_main (argc=2, argv=0xbfcc1da4, aAppData=0x97a8830) at nsAppRunner.cpp:3194 #52 0x080491ab in ?? () #53 0xb7dfe685 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #54 0x08048d11 in ?? () (gdb) thread apply all bt Thread 9 (Thread 0xb26ffb90 (LWP 19489)): #0 0xb80c2430 in __kernel_vsyscall () #1 0xb7ebef77 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7d1ed8c in _pr_poll_with_poll (pds=0x9895240, npds=1, timeout=4294967295) at ptio.c:3895 #3 0xb72eda7b in nsSocketTransportService::Poll (this=0x9894d60, wait=1, interval=0xb26ff1e8) at nsSocketTransportService2.cpp:349 #4 0xb72edf70 in nsSocketTransportService::DoPollIteration (this=0x9894d60, wait=1) at nsSocketTransportService2.cpp:644 #5 0xb72ee21a in nsSocketTransportService::OnProcessNextEvent (this=0x9894d60, thread=0x1201f000, mayWait=1, depth=1) at nsSocketTransportService2.cpp:523 #6 0xb7a4250e in nsThread::ProcessNextEvent (this=0x1201f000, mayWait=1, result=0xb26ff294) at nsThread.cpp:497 #7 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x1, mayWait=1) at nsThreadUtils.cpp:227 #8 0xb72edc93 in nsSocketTransportService::Run (this=0x9894d60) at nsSocketTransportService2.cpp:565 #9 0xb7a4256c in nsThread::ProcessNextEvent (this=0x1201f000, mayWait=1, result=0xb26ff344) at nsThread.cpp:510 #10 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x1, mayWait=1) at nsThreadUtils.cpp:227 #11 0xb7a42cd3 in nsThread::ThreadFunc (arg=0x1201f000) at nsThread.cpp:253 #12 0xb7d231e1 in _pt_root (arg=0x11f572b0) at ptthread.c:221 #13 0xb807550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #14 0xb7ec97ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 6 (Thread 0xb5300b90 (LWP 14470)): #0 0xb80c2430 in __kernel_vsyscall () #1 0xb80793a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7d1bf9e in pt_TimedWait (cv=0x981d3e4, ml=0x982dc38, timeout=2155) at ptsynch.c:280 #3 0xb7d1cdc0 in PR_WaitCondVar (cvar=0x981d3e0, timeout=2155) at ptsynch.c:407 #4 0xb7a454bc in TimerThread::Run (this=0x982ddd8) at TimerThread.cpp:345 #5 0xb7a4256c in nsThread::ProcessNextEvent (this=0x994e858, mayWait=1, result=0xb5300344) at nsThread.cpp:510 #6 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x80, mayWait=1) at nsThreadUtils.cpp:227 #7 0xb7a42cd3 in nsThread::ThreadFunc (arg=0x994e858) at nsThread.cpp:253 #8 0xb7d231e1 in _pt_root (arg=0x994ea60) at ptthread.c:221 #9 0xb807550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb7ec97ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 5 (Thread 0xb4997b90 (LWP 14476)): #0 0xb80c2430 in __kernel_vsyscall () #1 0xb8079075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7d1ce39 in PR_WaitCondVar (cvar=0x9c56638, timeout=4294967295) at ptsynch.c:405 #3 0xb784b266 in nsSSLThread::Run (this=0x9c565b0) at nsSSLThread.cpp:964 #4 0xb784ab9a in nsPSMBackgroundThread::nsThreadRunner (arg=0x9c565b0) at nsPSMBackgroundThread.cpp:44 #5 0xb7d231e1 in _pt_root (arg=0x9c56678) at ptthread.c:221 #6 0xb807550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7ec97ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread 0xb392ab90 (LWP 14477)): #0 0xb80c2430 in __kernel_vsyscall () #1 0xb8079075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7d1ce39 in PR_WaitCondVar (cvar=0x9c56808, timeout=4294967295) at ptsynch.c:405 #3 0xb784c2fe in nsCertVerificationThread::Run (this=0x9c56758) at nsCertVerificationThread.cpp:138 #4 0xb784ab9a in nsPSMBackgroundThread::nsThreadRunner (arg=0x9c56758) at nsPSMBackgroundThread.cpp:44 #5 0xb7d231e1 in _pt_root (arg=0x9c56848) at ptthread.c:221 #6 0xb807550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7ec97ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 2 (Thread 0xb1efeb90 (LWP 17165)): #0 0xb80c2430 in __kernel_vsyscall () #1 0xb8079075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7d1ce39 in PR_WaitCondVar (cvar=0xa608c60, timeout=4294967295) at ptsynch.c:405 #3 0xb7d1ceb7 in PR_Wait (mon=0xa608ca0, timeout=4294967295) at ptsynch.c:584 #4 0xb7a41791 in nsEventQueue::GetEvent (this=0xa605a78, mayWait=1, result=0xb1efe304) at ../../dist/include/xpcom/nsAutoLock.h:340 #5 0xb7a42540 in nsThread::ProcessNextEvent (this=0xa605a58, mayWait=1, result=0xb1efe344) at nsThread.h:112 #6 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x80, mayWait=1) at nsThreadUtils.cpp:227 #7 0xb7a42cd3 in nsThread::ThreadFunc (arg=0xa605a58) at nsThread.cpp:253 #8 0xb7d231e1 in _pt_root (arg=0xa608dd8) at ptthread.c:221 #9 0xb807550f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb7ec97ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread 0xb7de66c0 (LWP 14458)): #0 GCGraphBuilder::AddNode (this=0xbfcb98ac, s=0xb04b8268, aParticipant=0x98a5c84) at nsCycleCollector.cpp:1287 #1 0xb7a4d401 in GCGraphBuilder::NoteScriptChild (this=0xbfcb98ac, langID=2, child=0xb04b8268) at nsCycleCollector.cpp:1237 #2 0xb729b6b0 in NoteJSChild (trc=0x1e116820, thing=0xb04b8268, kind=0) at nsXPConnect.cpp:744 #3 0xb7d83df9 in JS_CallTracer (trc=0xbfcb9800, thing=0xb04b8268, kind=0) at jsgc.c:2449 #4 0xb7d99ecc in js_TraceObject (trc=0xbfcb9800, obj=0x12686780) at jsobj.c:5082 #5 0xb7d83bba in JS_TraceChildren (trc=0xbfcb9800, thing=0x12686780, kind=0) at jsgc.c:2233 #6 0xb729b770 in nsXPConnect::Traverse (this=0x98a5c70, p=0x12686780, cb=@0xbfcb98ac) at nsXPConnect.cpp:935 #7 0xb7a4cc84 in GCGraphBuilder::Traverse (this=0xbfcb98ac, aPtrInfo=0xadd5c134) at nsCycleCollector.cpp:1319 #8 0xb7a4cce7 in nsCycleCollector::MarkRoots (this=0x98436b0, builder=@0xbfcb98ac) at nsCycleCollector.cpp:1513 #9 0xb7a4d795 in nsCycleCollector::BeginCollection (this=0x98436b0) at nsCycleCollector.cpp:2368 #10 0xb7a4d7d8 in nsCycleCollector_beginCollection () at nsCycleCollector.cpp:2910 #11 0xb729c6cc in XPCCycleCollectGCCallback (cx=0x9b0b368, status=JSGC_MARK_END) at nsXPConnect.cpp:440 #12 0xb7d84d7a in js_GC (cx=0x9b0b368, gckind=GC_NORMAL) at jsgc.c:3239 #13 0xb7d6163a in JS_GC (cx=0x9b0b368) at jsapi.c:2469 #14 0xb729b950 in nsXPConnect::Collect (this=0x98a5c70) at nsXPConnect.cpp:529 #15 0xb7a4d8fa in nsCycleCollector::Collect (this=0x98436b0, aTryCollections=1) at nsCycleCollector.cpp:2250 #16 0xb7a4da39 in nsCycleCollector_collect () at nsCycleCollector.cpp:2898 #17 0xb7648f42 in nsJSContext::CC () at nsJSEnvironment.cpp:3346 #18 0xb7649012 in nsJSContext::MaybeCC (aHigherProbability=1) at nsJSEnvironment.cpp:3397 #19 0xb76493c5 in nsUserActivityObserver::Observe (this=0x9b0abd8, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", aData=0x0) at nsJSEnvironment.cpp:291 #20 0xb7a1c9a0 in nsObserverList::NotifyObservers (this=0x9c9d4ac, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", someData=0x0) at nsObserverList.cpp:128 #21 0xb7a1cc6e in nsObserverService::NotifyObservers (this=0x9895fa0, aSubject=0x0, aTopic=0xb7bb4be6 "user-interaction-active", someData=0x0) at nsObserverService.cpp:181 #22 0xb75747ff in nsEventStateManager::PreHandleEvent (this=0x148e5938, aPresContext=0x136dcac0, aEvent=0xbfcbdf94, aTargetFrame=0x1473a868, aStatus=0xbfcbde4c, aView=0x12574c98) at nsEventStateManager.cpp:777 #23 0xb7401f5f in PresShell::HandleEventInternal (this=0x17bd30f8, aEvent=0xbfcbdf94, aView=0x12574c98, aStatus=0xbfcbde4c) at nsPresShell.cpp:5911 #24 0xb7402674 in PresShell::HandlePositionedEvent (this=0x17bd30f8, aView=0x12574c98, aTargetFrame=0x1473a868, aEvent=0xbfcbdf94, aEventStatus=0xbfcbde4c) at nsPresShell.cpp:5809 #25 0xb740285c in PresShell::HandleEvent (this=0x15653370, aView=0x16696e38, aEvent=0xbfcbdf94, aEventStatus=0xbfcbde4c) at nsPresShell.cpp:5662 #26 0xb7642603 in nsViewManager::HandleEvent (this=0x12574c38, aView=0x16696e38, aPoint= {x = -1077158172, y = -1077157996}, aEvent=0xbfcbdf94, aCaptured=0) at nsViewManager.cpp:1382 #27 0xb7643ee0 in nsViewManager::DispatchEvent (this=0x12574c38, aEvent=0xbfcbdf94, aStatus=0xbfcbdf30) at nsViewManager.cpp:1337 #28 0xb763ef7c in HandleEvent (aEvent=0xbfcbdf94) at nsView.cpp:168 #29 0xb7982630 in nsCommonWidget::DispatchEvent (this=0x18bd6408, aEvent=0xbfcbdf94, aStatus=@0xbfcbe004) at nsCommonWidget.cpp:158 #30 0xb797d769 in nsWindow::OnMotionNotifyEvent (this=0x18bd6408, aWidget=0x13d0b8e8, aEvent=0x9805720) at nsWindow.cpp:2026 #31 0xb797d8f1 in motion_notify_event_cb (widget=0x13d0b8e8, event=0x9805720) at nsWindow.cpp:4643 #32 0xb68bdef6 in _gtk_marshal_BOOLEAN__BOXED (closure=0x13bf3c50, return_value=0xbfcbe230, n_param_values=2, param_values=0x16bf9800, invocation_hint=0xbfcbe21c, marshal_data=0xb797d8cc) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmarshalers.c:84 #33 0xb6d02c4b in IA__g_closure_invoke (closure=0x13bf3c50, return_value=0xbfcbe230, n_param_values=2, param_values=0x16bf9800, invocation_hint=0xbfcbe21c) at /build/buildd/glib2.0-2.18.1/gobject/gclosure.c:767 #34 0xb6d19095 in signal_emit_unlocked_R (node=0x9810ea0, detail=0, instance=0x13d0b8e8, emission_return=0xbfcbe368, instance_and_params=0x16bf9800) at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:3244 #35 0xb6d1a62b in IA__g_signal_emit_valist (instance=0x13d0b8e8, signal_id=48, detail=0, var_args=0xbfcbe3c0 "��˿ W\200\t���\023�\223\235����\023�x\200\t") at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:2987 #36 0xb6d1ac26 in IA__g_signal_emit (instance=0x13d0b8e8, signal_id=48, detail=0) at /build/buildd/glib2.0-2.18.1/gobject/gsignal.c:3034 #37 0xb69d30ee in gtk_widget_event_internal (widget=0x13d0b8e8, event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkwidget.c:4745 #38 0xb68b6a0c in IA__gtk_propagate_event (widget=0x13d0b8e8, event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmain.c:2391 #39 0xb68b7db7 in IA__gtk_main_do_event (event=0x9805720) at /build/buildd/gtk+2.0-2.14.3/gtk/gtkmain.c:1596 #40 0xb673250a in gdk_event_dispatch (source=0x97ef450, callback=0, user_data=0x0) at /build/buildd/gtk+2.0-2.14.3/gdk/x11/gdkevents-x11.c:2365 #41 0xb6c756f8 in IA__g_main_context_dispatch (context=0x97ef498) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2142 #42 0xb6c78da3 in g_main_context_iterate (context=0x97ef498, block=0, dispatch=1, self=0x97a8cb0) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2776 #43 0xb6c78f61 in IA__g_main_context_iteration (context=0x97ef498, may_block=0) at /build/buildd/glib2.0-2.18.1/glib/gmain.c:2839 #44 0xb7980f7c in nsAppShell::ProcessNextNativeEvent (this=0x98c6708, mayWait=0) at nsAppShell.cpp:144 #45 0xb7995fe4 in nsBaseAppShell::DoProcessNextNativeEvent (this=0x98c6708, mayWait=0) at nsBaseAppShell.cpp:151 #46 0xb79961ed in nsBaseAppShell::OnProcessNextEvent (this=0x98c6708, thr=0x981d6b0, mayWait=1, recursionDepth=0) at nsBaseAppShell.cpp:278 #47 0xb7a4250e in nsThread::ProcessNextEvent (this=0x981d6b0, mayWait=1, result=0xbfcbe644) at nsThread.cpp:497 #48 0xb7a12f88 in NS_ProcessNextEvent_P (thread=0x1e116820, mayWait=1) at nsThreadUtils.cpp:227 #49 0xb79962c4 in nsBaseAppShell::Run (this=0x98c6708) at nsBaseAppShell.cpp:170 #50 0xb782bab8 in nsAppStartup::Run (this=0x9909620) at nsAppStartup.cpp:181 #51 0xb7290508 in XRE_main (argc=2, argv=0xbfcc1da4, aAppData=0x97a8830) at nsAppRunner.cpp:3194 #52 0x080491ab in ?? () #53 0xb7dfe685 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #54 0x08048d11 in ?? ()