Here's another. Boy it's going to be fun times if Intrepid is released with this bug still in it given how often it hits me. Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb7cb36c0 (LWP 18297)] GCGraphBuilder::AddNode (this=0xbfa86fec, s=0xf8a3140, aParticipant=0xb7bc10c4) at nsCycleCollector.cpp:1287 1287 nsCycleCollector.cpp: No such file or directory. in nsCycleCollector.cpp Current language: auto; currently c++ (gdb) thread apply all bt Thread 132 (Thread 0xae0feb90 (LWP 2026)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f463a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7be8f9e in pt_TimedWait (cv=0x95ffdcc, ml=0x95ffd68, timeout=60000) at ptsynch.c:280 #3 0xb7be9dc0 in PR_WaitCondVar (cvar=0x95ffdc8, timeout=60000) at ptsynch.c:407 #4 0xb71c3d4a in nsHostResolver::GetHostToLookup (this=0x95ffd08, result=0xae0fe378) at nsHostResolver.cpp:595 #5 0xb71c4412 in nsHostResolver::ThreadFunc (arg=0x95ffd08) at nsHostResolver.cpp:690 #6 0xb7bf01e1 in _pt_root (arg=0xa2fc9988) at ptthread.c:221 #7 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #8 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 58 (Thread 0xb0cbdb90 (LWP 18540)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f46075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xaced96cf in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #3 0xad00b29f in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #4 0xaced9b8d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #5 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 57 (Thread 0xb04bcb90 (LWP 18539)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f46075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xaced96cf in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #3 0xad00b29f in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #4 0xaced9b8d in ?? () from /usr/lib/flashplugin-nonfree/libflashplayer.so #5 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #6 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 10 (Thread 0xb14beb90 (LWP 18357)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f46075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7be9e39 in PR_WaitCondVar (cvar=0xa728fd0, timeout=4294967295) at ptsynch.c:405 #3 0xb7be9eb7 in PR_Wait (mon=0xa72e910, timeout=4294967295) at ptsynch.c:584 #4 0xb790e791 in nsEventQueue::GetEvent (this=0xa728f48, mayWait=1, result=0xb14be304) at ../../dist/include/xpcom/nsAutoLock.h:340 #5 0xb790f540 in nsThread::ProcessNextEvent (this=0xa728f28, mayWait=1, result=0xb14be344) at nsThread.h:112 #6 0xb78dff88 in NS_ProcessNextEvent_P (thread=0x80, mayWait=1) at nsThreadUtils.cpp:227 #7 0xb790fcd3 in nsThread::ThreadFunc (arg=0xa728f28) at nsThread.cpp:253 #8 0xb7bf01e1 in _pt_root (arg=0xa7290d8) at ptthread.c:221 #9 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 6 (Thread 0xb59efb90 (LWP 18321)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7d8bf77 in poll () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7bebd8c in _pr_poll_with_poll (pds=0x95fcad8, npds=1, timeout=4294967295) at ptio.c:3895 #3 0xb71baa7b in nsSocketTransportService::Poll (this=0x95fc5f8, wait=1, interval=0xb59ef1e8) at nsSocketTransportService2.cpp:349 #4 0xb71baf70 in nsSocketTransportService::DoPollIteration (this=0x95fc5f8, wait=1) at nsSocketTransportService2.cpp:644 #5 0xb71bb21a in nsSocketTransportService::OnProcessNextEvent (this=0x95fc5f8, thread=0x95f9a08, mayWait=1, depth=1) at nsSocketTransportService2.cpp:523 #6 0xb790f50e in nsThread::ProcessNextEvent (this=0x95f9a08, mayWait=1, result=0xb59ef294) at nsThread.cpp:497 #7 0xb78dff88 in NS_ProcessNextEvent_P (thread=0x1, mayWait=1) at nsThreadUtils.cpp:227 #8 0xb71bac93 in nsSocketTransportService::Run (this=0x95fc5f8) at nsSocketTransportService2.cpp:565 #9 0xb790f56c in nsThread::ProcessNextEvent (this=0x95f9a08, mayWait=1, result=0xb59ef344) at nsThread.cpp:510 #10 0xb78dff88 in NS_ProcessNextEvent_P (thread=0x1, mayWait=1) at nsThreadUtils.cpp:227 #11 0xb790fcd3 in nsThread::ThreadFunc (arg=0x95f9a08) at nsThread.cpp:253 #12 0xb7bf01e1 in _pt_root (arg=0x95fcdc0) at ptthread.c:221 #13 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #14 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 5 (Thread 0xb51eeb90 (LWP 18322)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f463a2 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7be8f9e in pt_TimedWait (cv=0x955d4d4, ml=0x956dd48, timeout=4921) at ptsynch.c:280 #3 0xb7be9dc0 in PR_WaitCondVar (cvar=0x955d4d0, timeout=4921) at ptsynch.c:407 #4 0xb79124bc in TimerThread::Run (this=0x956dc90) at TimerThread.cpp:345 #5 0xb790f56c in nsThread::ProcessNextEvent (this=0x9638888, mayWait=1, result=0xb51ee344) at nsThread.cpp:510 #6 0xb78dff88 in NS_ProcessNextEvent_P (thread=0x80, mayWait=1) at nsThreadUtils.cpp:227 #7 0xb790fcd3 in nsThread::ThreadFunc (arg=0x9638888) at nsThread.cpp:253 #8 0xb7bf01e1 in _pt_root (arg=0x9638a90) at ptthread.c:221 #9 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #10 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 4 (Thread 0xb47feb90 (LWP 18326)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f46075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7be9e39 in PR_WaitCondVar (cvar=0x9b41b90, timeout=4294967295) at ptsynch.c:405 #3 0xb7718266 in nsSSLThread::Run (this=0x9b07828) at nsSSLThread.cpp:964 #4 0xb7717b9a in nsPSMBackgroundThread::nsThreadRunner (arg=0x9b07828) at nsPSMBackgroundThread.cpp:44 #5 0xb7bf01e1 in _pt_root (arg=0x9b41bd0) at ptthread.c:221 #6 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 3 (Thread 0xb3791b90 (LWP 18327)): #0 0xb7f8f430 in __kernel_vsyscall () #1 0xb7f46075 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7be9e39 in PR_WaitCondVar (cvar=0x9b41d60, timeout=4294967295) at ptsynch.c:405 #3 0xb77192fe in nsCertVerificationThread::Run (this=0x9b41cb0) at nsCertVerificationThread.cpp:138 #4 0xb7717b9a in nsPSMBackgroundThread::nsThreadRunner (arg=0x9b41cb0) at nsPSMBackgroundThread.cpp:44 #5 0xb7bf01e1 in _pt_root (arg=0x9b41da0) at ptthread.c:221 #6 0xb7f4250f in start_thread () from /lib/tls/i686/cmov/libpthread.so.0 #7 0xb7d967ee in clone () from /lib/tls/i686/cmov/libc.so.6 Thread 1 (Thread 0xb7cb36c0 (LWP 18297)): #0 GCGraphBuilder::AddNode (this=0xbfa86fec, s=0xf8a3140, aParticipant=0xb7bc10c4) at nsCycleCollector.cpp:1287 #1 0xb791a4c5 in GCGraphBuilder::NoteXPCOMChild (this=0xbfa86fec, child=0xf8a3140) at nsCycleCollector.cpp:1237 #2 0xb7409092 in nsGenericElement::cycleCollection::Traverse (this=0xb7bc10f4, p=0xf869008, cb=@0xbfa86fec) at nsGenericElement.cpp:3531 #3 0xb7919c84 in GCGraphBuilder::Traverse (this=0xbfa86fec, aPtrInfo=0xafca891c) at nsCycleCollector.cpp:1319 #4 0xb7919ce7 in nsCycleCollector::MarkRoots (this=0x9583748, builder=@0xbfa86fec) at nsCycleCollector.cpp:1513 #5 0xb791a795 in nsCycleCollector::BeginCollection (this=0x9583748) at nsCycleCollector.cpp:2368 #6 0xb791a7d8 in nsCycleCollector_beginCollection () at nsCycleCollector.cpp:2910 #7 0xb71696cc in XPCCycleCollectGCCallback (cx=0x9a5bdf8, status=JSGC_MARK_END) at nsXPConnect.cpp:440 #8 0xb7c51d7a in js_GC (cx=0x9a5bdf8, gckind=GC_NORMAL) at jsgc.c:3239 #9 0xb7c2e63a in JS_GC (cx=0x9a5bdf8) at jsapi.c:2469 #10 0xb7168950 in nsXPConnect::Collect (this=0x957b650) at nsXPConnect.cpp:529 #11 0xb791a8fa in nsCycleCollector::Collect (this=0x9583748, aTryCollections=1) at nsCycleCollector.cpp:2250 #12 0xb791aa39 in nsCycleCollector_collect () at nsCycleCollector.cpp:2898 #13 0xb7515f42 in nsJSContext::CC () at nsJSEnvironment.cpp:3346 #14 0xb7516012 in nsJSContext::MaybeCC (aHigherProbability=1) at nsJSEnvironment.cpp:3397 #15 0xb75163c5 in nsUserActivityObserver::Observe (this=0x9a12730, aSubject=0x0, aTopic=0xb7a81bcc "user-interaction-inactive", aData=0x0) at nsJSEnvironment.cpp:291 #16 0xb78e99a0 in nsObserverList::NotifyObservers (this=0x9b8b2c8, aSubject=0x0, aTopic=0xb7a81bcc "user-interaction-inactive", someData=0x0) at nsObserverList.cpp:128 #17 0xb78e9c6e in nsObserverService::NotifyObservers (this=0x9598208, aSubject=0x0, aTopic=0xb7a81bcc "user-interaction-inactive", someData=0x0) at nsObserverService.cpp:181 #18 0xb743f7e6 in nsUITimerCallback::Notify (this=0x9b07ce0, aTimer=0x9affb98) at nsEventStateManager.cpp:210 #19 0xb7911a42 in nsTimerImpl::Fire (this=0x9affb98) at nsTimerImpl.cpp:403 #20 0xb7911ab7 in nsTimerEvent::Run (this=0x1933c8a8) at nsTimerImpl.cpp:490 #21 0xb790f56c in nsThread::ProcessNextEvent (this=0x956d980, mayWait=1, result=0xbfa8b324) at nsThread.cpp:510 #22 0xb78dff88 in NS_ProcessNextEvent_P (thread=0x19bf8000, mayWait=1) at nsThreadUtils.cpp:227 #23 0xb78632c4 in nsBaseAppShell::Run (this=0x99335c8) at nsBaseAppShell.cpp:170 #24 0xb76f8ab8 in nsAppStartup::Run (this=0x997f710) at nsAppStartup.cpp:181 #25 0xb715d508 in XRE_main (argc=2, argv=0xbfa8ea84, aAppData=0x94e8830) at nsAppRunner.cpp:3194 #26 0x080491ab in ?? () #27 0xb7ccb685 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6 #28 0x08048d11 in ?? ()