Application: firefox ()
KDE Platform Version: 4.6.2 (4.6.2) (Compiled from sources)
Qt Version: 4.7.2
Operating System: Linux 2.6.37-hardened-r7 x86_64
Distribution: "Gentoo Base System release 2.0.2"

-- Information about the crash:
- What I was doing when the application crashed:
Using the KWallet Plugin v0.8 for Firefox (https://addons.mozilla.org/en-us/firefox/addon/kde-wallet-password-integratio/), if I attempt to load a pdf file using the KPartsPlugin v20101216 (http://www.unix-ag.uni-kl.de/~fischer/kpartsplugin/), firefox crashes.
 
I'm using Firefox 3.6.17

The crash can be reproduced every time.

-- Backtrace:
Application: Firefox KWallet Plugin (firefox), signal: Aborted
[Current thread is 1 (Thread 0x22ff73c9720 (LWP 10381))]

Thread 18 (Thread 0x22fe4713700 (LWP 11046)):
#0  0x0000022ff6d6b7ce in __pthread_mutex_unlock_usercnt (mutex=0x660bc68a68, decr=<value optimized out>) at pthread_mutex_unlock.c:52
#1  0x0000022feebe52e1 in g_main_context_prepare (context=0x660bc68a60, priority=<value optimized out>) at gmain.c:2797
#2  0x0000022feebe5638 in g_main_context_iterate (context=0x660bc68a60, block=<value optimized out>, dispatch=<value optimized out>, self=<value optimized out>) at gmain.c:3071
#3  0x0000022feebe5fbd in g_main_loop_run (loop=0x660bc68b70) at gmain.c:3299
#4  0x0000022fee06f3b4 in gdbus_shared_thread_func (data=<value optimized out>) at gdbusprivate.c:276
#5  0x0000022feec117f4 in g_thread_create_proxy (data=0x660bc68b90) at gthread.c:1897
#6  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#7  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 17 (Thread 0x22fe3d0e700 (LWP 11099)):
#0  memcpy () at ../sysdeps/x86_64/memcpy.S:100
#1  0x0000022ff5d74e7a in __dcigettext (domainname=<value optimized out>, msgid1=<value optimized out>, msgid2=<value optimized out>, plural=<value optimized out>, n=<value optimized out>, category=<value optimized out>) at dcigettext.c:475
#2  0x0000022ff5dc3b08 in __strerror_r (errnum=9, buf=0x0, buflen=0) at _strerror.c:65
#3  0x0000022ff5dc3a0e in strerror (errnum=-472852334) at strerror.c:33
#4  0x0000022fefc0c6e6 in event_warn (fmt=0x22fefc27eda "epoll_wait") at log.c:101
#5  0x0000022fefc11218 in epoll_dispatch (base=0x660bc7ad80, tv=<value optimized out>) at epoll.c:410
#6  0x0000022fefbfccf3 in event_base_loop (base=0x660bc7ad80, flags=<value optimized out>) at event.c:1537
#7  0x0000022ff30b53dc in base::MessagePumpLibevent::Run (this=0x660bc5f460, delegate=0x22fe3d0dcf0) at ./src/base/message_pump_libevent.cc:338
#8  0x0000022ff307d9f4 in MessageLoop::Run (this=0x22fe3d0dcf0) at ./src/base/message_loop.cc:173
#9  0x0000022ff30935a1 in base::Thread::ThreadMain (this=0x660bc6bba0) at ./src/base/thread.cc:165
#10 0x0000022ff30b600a in ThreadFunc (closure=0x22fe3d0d892) at ./src/base/platform_thread_posix.cc:26
#11 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#12 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 16 (Thread 0x22fe32f9700 (LWP 11556)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x660bd2e7e0, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff40f32cc in JSBackgroundThread::work (this=0x660bd2e700) at jstask.cpp:91
#3  0x0000022ff39ffce2 in _pt_root (arg=0x660bd2e830) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#4  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#5  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 15 (Thread 0x22fe2af8700 (LWP 11557)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660bd2ed48, ml=0x660bd2d710, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660bd2ed40, timeout=1000) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff230794d in XPCJSRuntime::WatchdogMain (arg=0x660bd200c0) at xpcjsruntime.cpp:808
#4  0x0000022ff39ffce2 in _pt_root (arg=0x660bd31da0) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#5  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#6  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 14 (Thread 0x22fe22f7700 (LWP 12191)):
#0  0x0000022ff7422727 in ?? ()
#1  0x0000022ff74227ee in gettimeofday ()
#2  0x0000022ff5dd983a in gettimeofday () at ../sysdeps/unix/sysv/linux/x86_64/gettimeofday.S:37
#3  0x0000022ff3a00b8e in _PR_UNIX_GetInterval () at ../../../../../mozilla/nsprpub/pr/src/md/unix/unix.c:3032
#4  0x0000022ff23a9b0a in nsSocketTransportService::Poll (this=<value optimized out>, wait=<value optimized out>, interval=0x22fe22f6cb4) at nsSocketTransportService2.cpp:357
#5  0x0000022ff23a9fbf in nsSocketTransportService::DoPollIteration (this=0x660be9d1a0, wait=1) at nsSocketTransportService2.cpp:660
#6  0x0000022ff23aa305 in nsSocketTransportService::OnProcessNextEvent (this=0x660be9d1a0, thread=0x660bea2980, mayWait=<value optimized out>, depth=<value optimized out>) at nsSocketTransportService2.cpp:539
#7  0x0000022ff312024f in nsThread::ProcessNextEvent (this=0x660bea2980, mayWait=1, result=0x22fe22f6d94) at nsThread.cpp:508
#8  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x22fe22f6c40, mayWait=-10485376) at nsThreadUtils.cpp:250
#9  0x0000022ff23aa845 in nsSocketTransportService::Run (this=0x660be9d1a0) at nsSocketTransportService2.cpp:581
#10 0x0000022ff312029f in nsThread::ProcessNextEvent (this=0x660bea2980, mayWait=<value optimized out>, result=0x22fe22f6e54) at nsThread.cpp:527
#11 0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x22fe22f6c40, mayWait=-10485376) at nsThreadUtils.cpp:250
#12 0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x660bea2980) at nsThread.cpp:254
#13 0x0000022ff39ffce2 in _pt_root (arg=0x660be9e1e0) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#14 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#15 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 13 (Thread 0x22fe18e8700 (LWP 12221)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660bc6ebb8, ml=0x660bc7c610, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660bc6ebb0, timeout=1660) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff3125834 in TimerThread::Run (this=0x660bc7c530) at TimerThread.cpp:344
#4  0x0000022ff312029f in nsThread::ProcessNextEvent (this=0x660be91790, mayWait=<value optimized out>, result=0x22fe18e7e54) at nsThread.cpp:527
#5  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x660bc6ebbc, mayWait=393) at nsThreadUtils.cpp:250
#6  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x660be91790) at nsThread.cpp:254
#7  0x0000022ff39ffce2 in _pt_root (arg=0x660be91a70) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#8  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#9  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 12 (Thread 0x22fd5579700 (LWP 12789)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x660c2d4a30, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff2d75439 in nsSSLThread::Run (this=0x660cdc8cb0) at nsSSLThread.cpp:980
#3  0x0000022ff39ffce2 in _pt_root (arg=0x660c2d4a80) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#4  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#5  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 11 (Thread 0x22fd4d78700 (LWP 12790)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x660c2271f0, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff2d76be4 in nsCertVerificationThread::Run (this=0x660c2270b0) at nsCertVerificationThread.cpp:138
#3  0x0000022ff39ffce2 in _pt_root (arg=0x660cc68f60) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#4  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#5  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 10 (Thread 0x22fd3147700 (LWP 12793)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x660d04a0b0, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff39f8ee6 in PR_Wait (mon=0x660d04a100, timeout=128) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:614
#3  0x0000022ff311f171 in Wait (this=0x660d049fb0, mayWait=1, result=0x22fd3146df0) at ../../dist/include/nsAutoLock.h:340
#4  nsEventQueue::GetEvent (this=0x660d049fb0, mayWait=1, result=0x22fd3146df0) at nsEventQueue.cpp:85
#5  0x0000022ff312027c in GetEvent (this=0x660d049f70, mayWait=1, result=0x22fd3146e54) at nsThread.h:112
#6  nsThread::ProcessNextEvent (this=0x660d049f70, mayWait=1, result=0x22fd3146e54) at nsThread.cpp:521
#7  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x660d04a0bc, mayWait=128) at nsThreadUtils.cpp:250
#8  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x660d049f70) at nsThread.cpp:254
#9  0x0000022ff39ffce2 in _pt_root (arg=0x660d04a320) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#10 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#11 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 9 (Thread 0x22fd0141700 (LWP 12812)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x6611689100, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff39f8ee6 in PR_Wait (mon=0x6611689150, timeout=128) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:614
#3  0x0000022ff311f171 in Wait (this=0x66116911a0, mayWait=1, result=0x22fd0140df0) at ../../dist/include/nsAutoLock.h:340
#4  nsEventQueue::GetEvent (this=0x66116911a0, mayWait=1, result=0x22fd0140df0) at nsEventQueue.cpp:85
#5  0x0000022ff312027c in GetEvent (this=0x6611691160, mayWait=1, result=0x22fd0140e54) at nsThread.h:112
#6  nsThread::ProcessNextEvent (this=0x6611691160, mayWait=1, result=0x22fd0140e54) at nsThread.cpp:521
#7  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x661168910c, mayWait=128) at nsThreadUtils.cpp:250
#8  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x6611691160) at nsThread.cpp:254
#9  0x0000022ff39ffce2 in _pt_root (arg=0x66116730e0) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#10 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#11 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 8 (Thread 0x22fd4577700 (LWP 13031)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x22fd841e3f0, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff39f8ee6 in PR_Wait (mon=0x22fd841e440, timeout=128) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:614
#3  0x0000022ff311f171 in Wait (this=0x22fd8430a10, mayWait=1, result=0x22fd4576df0) at ../../dist/include/nsAutoLock.h:340
#4  nsEventQueue::GetEvent (this=0x22fd8430a10, mayWait=1, result=0x22fd4576df0) at nsEventQueue.cpp:85
#5  0x0000022ff312027c in GetEvent (this=0x22fd84309d0, mayWait=1, result=0x22fd4576e54) at nsThread.h:112
#6  nsThread::ProcessNextEvent (this=0x22fd84309d0, mayWait=1, result=0x22fd4576e54) at nsThread.cpp:521
#7  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x22fd841e3fc, mayWait=128) at nsThreadUtils.cpp:250
#8  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x22fd84309d0) at nsThread.cpp:254
#9  0x0000022ff39ffce2 in _pt_root (arg=0x22fd841e630) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#10 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#11 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 7 (Thread 0x22fdccc3700 (LWP 13072)):
#0  pthread_cond_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x0000022ff39f8e66 in PR_WaitCondVar (cvar=0x660f5dea50, timeout=4294967295) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:417
#2  0x0000022ff39f8ee6 in PR_Wait (mon=0x660f5deaa0, timeout=128) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:614
#3  0x0000022ff311f171 in Wait (this=0x6610eb0d00, mayWait=1, result=0x22fdccc2df0) at ../../dist/include/nsAutoLock.h:340
#4  nsEventQueue::GetEvent (this=0x6610eb0d00, mayWait=1, result=0x22fdccc2df0) at nsEventQueue.cpp:85
#5  0x0000022ff312027c in GetEvent (this=0x6610eb0cc0, mayWait=1, result=0x22fdccc2e54) at nsThread.h:112
#6  nsThread::ProcessNextEvent (this=0x6610eb0cc0, mayWait=1, result=0x22fdccc2e54) at nsThread.cpp:521
#7  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x660f5dea5c, mayWait=128) at nsThreadUtils.cpp:250
#8  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x6610eb0cc0) at nsThread.cpp:254
#9  0x0000022ff39ffce2 in _pt_root (arg=0x6611be4080) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#10 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#11 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 6 (Thread 0x22fcca4c700 (LWP 19596)):
#0  0x0000022ff5e0e5c3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x0000022fced22373 in poll_func (ufds=0x66133a7590, nfds=<value optimized out>, timeout=<value optimized out>, userdata=0x660e68d8e0) at pulse/thread-mainloop.c:75
#2  0x0000022fced109c6 in pa_mainloop_poll (m=0x6612d88990) at pulse/mainloop.c:879
#3  0x0000022fced11ed9 in pa_mainloop_iterate (m=0x6612d88990, block=<value optimized out>, retval=0x0) at pulse/mainloop.c:961
#4  0x0000022fced11fc0 in pa_mainloop_run (m=0x6612d88990, retval=0x0) at pulse/mainloop.c:979
#5  0x0000022fced22116 in thread (userdata=0x6614174ac0) at pulse/thread-mainloop.c:94
#6  0x0000022fceadac17 in internal_thread_func (userdata=0x660fb4b4a0) at pulsecore/thread-posix.c:83
#7  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#8  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 5 (Thread 0x22fd1143700 (LWP 8287)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660be97678, ml=0x660c9eeed0, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660be97670, timeout=300000) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff23b7d0b in nsHostResolver::GetHostToLookup (this=0x660be976c0, result=<value optimized out>) at nsHostResolver.cpp:773
#4  0x0000022ff23b8b1b in nsHostResolver::ThreadFunc (arg=0x660be976c0) at nsHostResolver.cpp:877
#5  0x0000022ff39ffce2 in _pt_root (arg=0x22fd819bb60) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#6  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#7  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 4 (Thread 0x22fd0942700 (LWP 26355)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660f4f5688, ml=0x660f4f56d8, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660f4f5680, timeout=60000) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff39f8ee6 in PR_Wait (mon=0x660f4f56d0, timeout=393) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:614
#4  0x0000022ff312336a in Wait (this=0x660f4f5610) at ../../dist/include/nsAutoLock.h:340
#5  nsThreadPool::Run (this=0x660f4f5610) at nsThreadPool.cpp:210
#6  0x0000022ff312029f in nsThread::ProcessNextEvent (this=0x660ed3ab70, mayWait=<value optimized out>, result=0x22fd0941e54) at nsThread.cpp:527
#7  0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x660f4f568c, mayWait=393) at nsThreadUtils.cpp:250
#8  0x0000022ff3120b4d in nsThread::ThreadFunc (arg=0x660ed3ab70) at nsThread.cpp:254
#9  0x0000022ff39ffce2 in _pt_root (arg=0x660e1bf9f0) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#10 0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#11 0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 3 (Thread 0x22fdf34a700 (LWP 26359)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660be97678, ml=0x660c9eeed0, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660be97670, timeout=300000) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff23b7d0b in nsHostResolver::GetHostToLookup (this=0x660be976c0, result=<value optimized out>) at nsHostResolver.cpp:773
#4  0x0000022ff23b8b1b in nsHostResolver::ThreadFunc (arg=0x660be976c0) at nsHostResolver.cpp:877
#5  0x0000022ff39ffce2 in _pt_root (arg=0x22fa0736960) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#6  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#7  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 2 (Thread 0x22fcf940700 (LWP 26360)):
#0  pthread_cond_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:216
#1  0x0000022ff39f7e79 in pt_TimedWait (cv=0x660be97678, ml=0x660c9eeed0, timeout=<value optimized out>) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:292
#2  0x0000022ff39f8dbc in PR_WaitCondVar (cvar=0x660be97670, timeout=300000) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptsynch.c:419
#3  0x0000022ff23b7d0b in nsHostResolver::GetHostToLookup (this=0x660be976c0, result=<value optimized out>) at nsHostResolver.cpp:773
#4  0x0000022ff23b8b1b in nsHostResolver::ThreadFunc (arg=0x660be976c0) at nsHostResolver.cpp:877
#5  0x0000022ff39ffce2 in _pt_root (arg=0x22fa0411350) at ../../../../mozilla/nsprpub/pr/src/pthreads/ptthread.c:187
#6  0x0000022ff6d67bda in start_thread (arg=<value optimized out>) at pthread_create.c:301
#7  0x0000022ff5e1708d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:115

Thread 1 (Thread 0x22ff73c9720 (LWP 10381)):
[KCrash Handler]
#6  0x0000022ff5d79fd5 in raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x0000022ff5d7b214 in abort () at abort.c:92
#8  0x0000022fd73d10ac in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2282
#9  0x0000022fd73d12a6 in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x22fd2505e28 "QWidget: Cannot create a QWidget when no GUI is being used", ap=0x38279e1f150) at global/qglobal.cpp:2328
#10 0x0000022fd73d1475 in qFatal (msg=0x288d <Address 0x288d out of bounds>) at global/qglobal.cpp:2511
#11 0x0000022fd1dd078c in QWidgetPrivate::init (this=0x660dbdbf60, parentWidget=0x0, f=) at kernel/qwidget.cpp:1247
#12 0x0000022fd1dd0aa1 in QWidget::QWidget (this=0x6613dc2270, dd=<value optimized out>, parent=0x0, f=...) at kernel/qwidget.cpp:1170
#13 0x0000022fd1e22290 in QX11EmbedWidget::QX11EmbedWidget (this=0x6613dc2270, parent=0x0) at kernel/qx11embed_x11.cpp:470
#14 0x0000022fd1788fdf in qtns_initialize (This=0x661660d680) at /var/tmp/portage/www-plugins/kpartsplugin-20101216/work/kpartsplugin/src/qtbrowserplugin_x11.cpp:74
#15 0x0000022fd17854c2 in NPP_SetWindow (instance=<value optimized out>, window=0x660eceaa38) at /var/tmp/portage/www-plugins/kpartsplugin-20101216/work/kpartsplugin/src/qtbrowserplugin.cpp:1005
#16 0x0000022ff2ddc81c in nsNPAPIPluginInstance::SetWindow (this=0x660caa6510, window=<value optimized out>) at nsNPAPIPluginInstance.cpp:1429
#17 0x0000022ff2df6405 in nsPluginNativeWindowGtk2::CallSetWindow (this=0x660eceaa30, aPluginInstance=...) at nsPluginNativeWindowGtk2.cpp:231
#18 0x0000022ff2de23e0 in nsPluginHost::InstantiateFullPagePlugin (this=0x6611e30710, aMimeType=0x22fa04fd428 "application/pdf", aURI=0x660ec79010, aStreamListener=<value optimized out>, aOwner=0x660e76d8a0) at nsPluginHost.cpp:3283
#19 0x0000022ff25bab80 in nsObjectFrame::InstantiatePlugin (this=<value optimized out>, aPluginHost=0x6611e30710, aMimeType=0x22fa04fd428 "application/pdf", aURI=0x660ec79010) at nsObjectFrame.cpp:1015
#20 0x0000022ff25c0d38 in nsObjectFrame::Instantiate (this=0x660eed5428, aMimeType=0x22fa04fd428 "application/pdf", aURI=0x660ec79010) at nsObjectFrame.cpp:2123
#21 0x0000022ff289882b in nsPluginStreamListener::SetupPlugin (this=0x6612427b30) at nsPluginDocument.cpp:154
#22 0x0000022ff28988df in nsPluginStreamListener::OnStartRequest (this=0x288d, request=<value optimized out>, ctxt=<value optimized out>) at nsPluginDocument.cpp:112
#23 0x0000022ff2cc792d in nsDocumentOpenInfo::OnStartRequest (this=0x660d87ff80, request=0x660d9f6af8, aCtxt=0x0) at nsURILoader.cpp:290
#24 0x0000022ff2421601 in nsHttpChannel::CallOnStartRequest (this=0x660d9f6ab0) at nsHttpChannel.cpp:848
#25 0x0000022ff24285f1 in nsHttpChannel::ProcessNormal (this=0x660d9f6ab0) at nsHttpChannel.cpp:1155
#26 0x0000022ff2428cde in nsHttpChannel::ProcessResponse (this=0x660d9f6ab0) at nsHttpChannel.cpp:1080
#27 0x0000022ff242919d in nsHttpChannel::OnStartRequest (this=0x660d9f6ab0, request=0x660e023970, ctxt=<value optimized out>) at nsHttpChannel.cpp:5190
#28 0x0000022ff238bab3 in nsInputStreamPump::OnStateStart (this=0x660e023970) at nsInputStreamPump.cpp:441
#29 0x0000022ff238c175 in nsInputStreamPump::OnInputStreamReady (this=0x660e023970, stream=0x288d) at nsInputStreamPump.cpp:397
#30 0x0000022ff3101fa0 in nsInputStreamReadyEvent::Run (this=0x6615e4b9c0) at nsStreamUtils.cpp:112
#31 0x0000022ff312029f in nsThread::ProcessNextEvent (this=0x660bc7c320, mayWait=<value optimized out>, result=0x38279e1fb74) at nsThread.cpp:527
#32 0x0000022ff30d4184 in NS_ProcessNextEvent_P (thread=0x288d, mayWait=10381) at nsThreadUtils.cpp:250
#33 0x0000022ff2feda6b in mozilla::ipc::MessagePump::Run (this=0x660bc6f460, aDelegate=0x660bc6afc0) at MessagePump.cpp:110
#34 0x0000022ff307d9f4 in MessageLoop::Run (this=0x660bc6afc0) at ./src/base/message_loop.cc:173
#35 0x0000022ff2f195e8 in nsBaseAppShell::Run (this=0x660bc97230) at nsBaseAppShell.cpp:174
#36 0x0000022ff2d46946 in nsAppStartup::Run (this=0x660c20e710) at nsAppStartup.cpp:183
#37 0x0000022ff22d3a88 in XRE_main (argc=<value optimized out>, argv=<value optimized out>, aAppData=<value optimized out>) at nsAppRunner.cpp:3495
#38 0x000000660b9e4d6d in ?? ()
#39 0x0000022ff5d66d5d in __libc_start_main (main=<value optimized out>, argc=<value optimized out>, ubp_av=<value optimized out>, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x38279e256f8) at libc-start.c:240
#40 0x000000660b9e4889 in ?? ()
#41 0x0000038279e256f8 in ?? ()
#42 0x000000000000001c in ?? ()
#43 0x0000000000000002 in ?? ()
#44 0x0000038279e25bcd in ?? ()
#45 0x0000038279e25bde in ?? ()
#46 0x0000000000000000 in ?? ()

Reported using DrKonqi