Application: rekonq (0.8.0)
KDE Platform Version: 4.7.4 (4.7.4)
Qt Version: 4.7.4
Operating System: Linux 3.2.0-030200-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
the machine had been left with rekonq and google chrome open for an hour or more, when the crash occurred. Possibly happened when the screen saver kicked in, but I wasn't there.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f6819549780 (LWP 3331))]

Thread 9 (Thread 0x7f67fac14700 (LWP 3332)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6817e24c2c in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f68187db220) at wtf/FastMalloc.cpp:2495
#2  0x00007f6817e24d59 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1618
#3  0x00007f6813554efc in start_thread (arg=0x7f67fac14700) at pthread_create.c:304
#4  0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7f67fa313700 (LWP 3334)):
#0  0x00007f6818d77773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6811987f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6811988429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6813c08f3e in QEventDispatcherGlib::processEvents (this=0x19c89b0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6813bdccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6813bdcef7 in QEventLoop::exec (this=0x7f67fa312e00, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6813af427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x19130b0) at thread/qthread_unix.cpp:331
#8  0x00007f6813554efc in start_thread (arg=0x7f67fa313700) at pthread_create.c:304
#9  0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f67f949b700 (LWP 3335)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6818985fe2 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f6818986019 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f6813554efc in start_thread (arg=0x7f67f949b700) at pthread_create.c:304
#4  0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f67f3def700 (LWP 3336)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6813af71ab in wait (time=18446744073709551615, this=0x16d15e0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x16d9210, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6815b08864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x16befa0, th=0x1cd6090) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6815b0ae0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x16d9ce0, th=0x1cd6090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6815b0ae24 in ThreadWeaver::WorkingHardState::applyForWork (this=0x16d9ce0, th=0x1cd6090) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007f6815b09ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f67f3deee20, parent=0x16befa0, th=0x1cd6090) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007f6815b09d5b in ThreadWeaver::Thread::run (this=0x1cd6090) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x1cd6090) at thread/qthread_unix.cpp:331
#9  0x00007f6813554efc in start_thread (arg=0x7f67f3def700) at pthread_create.c:304
#10 0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f67f16d4700 (LWP 3337)):
#0  0x00007f6818d77773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6811987f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6811988429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6813c08f3e in QEventDispatcherGlib::processEvents (this=0x1cbc180, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6813bdccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6813bdcef7 in QEventLoop::exec (this=0x7f67f16d3dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6813af427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6813bbfcbf in QInotifyFileSystemWatcherEngine::run (this=0x19967c0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x19967c0) at thread/qthread_unix.cpp:331
#9  0x00007f6813554efc in start_thread (arg=0x7f67f16d4700) at pthread_create.c:304
#10 0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f67a63bb700 (LWP 3493)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6813af71ab in wait (time=18446744073709551615, this=0x16d15e0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x16d9210, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6815b08864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x16befa0, th=0x5163920) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6815b0ae0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x16d9ce0, th=0x5163920) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6815b09ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f67a63bae20, parent=0x16befa0, th=0x5163920) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f6815b09d5b in ThreadWeaver::Thread::run (this=0x5163920) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x5163920) at thread/qthread_unix.cpp:331
#8  0x00007f6813554efc in start_thread (arg=0x7f67a63bb700) at pthread_create.c:304
#9  0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f67a87c6700 (LWP 7961)):
#0  0x00007f6818d77773 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007f6811987f68 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f6811988429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f6813c08f3e in QEventDispatcherGlib::processEvents (this=0x54dee00, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007f6813bdccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f6813bdcef7 in QEventLoop::exec (this=0x7f67a87c5dd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007f6813af427f in QThread::exec (this=<optimized out>) at thread/qthread.cpp:498
#7  0x00007f6813bbfcbf in QInotifyFileSystemWatcherEngine::run (this=0x5ac9360) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x5ac9360) at thread/qthread_unix.cpp:331
#9  0x00007f6813554efc in start_thread (arg=0x7f67a87c6700) at pthread_create.c:304
#10 0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f67a75bd700 (LWP 7037)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f6813af71ab in wait (time=18446744073709551615, this=0x16d15e0) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x16d9210, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007f6815b08864 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0x16befa0, th=0x67fe360) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007f6815b0ae0b in ThreadWeaver::WorkingHardState::applyForWork (this=0x16d9ce0, th=0x67fe360) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007f6815b09ccf in ThreadWeaver::ThreadRunHelper::run (this=0x7f67a75bce20, parent=0x16befa0, th=0x67fe360) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007f6815b09d5b in ThreadWeaver::Thread::run (this=0x67fe360) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007f6813af6d05 in QThreadPrivate::start (arg=0x67fe360) at thread/qthread_unix.cpp:331
#8  0x00007f6813554efc in start_thread (arg=0x7f67a75bd700) at pthread_create.c:304
#9  0x00007f6818d8389d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f6819549780 (LWP 3331)):
[KCrash Handler]
#6  0x00007f68187b3890 in vtable for JSC::Structure () from /usr/lib/x86_64-linux-gnu/libQtWebKit.so.4
#7  0x00007f6813bf0714 in QObject::disconnect (sender=0x5183630, signal=0x0, receiver=0x55032a0, method=0x6a6e2e9 "receiveMetaData()") at kernel/qobject.cpp:2728
#8  0x00007f6817afe9ae in disconnect (member=0x7f68180fb96f "1receiveMetaData()", receiver=0x55032a0, this=<optimized out>) at /usr/include/qt4/QtCore/qobject.h:229
#9  WebCore::QNetworkReplyWrapper::resetConnections (this=0x55032a0) at platform/network/qt/QNetworkReplyHandler.cpp:254
#10 0x00007f6817afea0f in WebCore::QNetworkReplyWrapper::release (this=0x55032a0) at platform/network/qt/QNetworkReplyHandler.cpp:235
#11 0x00007f6817afeb78 in WebCore::QNetworkReplyHandler::release (this=<optimized out>) at platform/network/qt/QNetworkReplyHandler.cpp:419
#12 0x00007f6817afebbe in WebCore::QNetworkReplyHandler::abort (this=0x64b6e90) at platform/network/qt/QNetworkReplyHandler.cpp:407
#13 0x00007f6817afbb49 in WebCore::ResourceHandle::cancel (this=<optimized out>) at platform/network/qt/ResourceHandleQt.cpp:107
#14 0x00007f68178f947c in WebCore::PingLoader::~PingLoader (this=<optimized out>, __in_chrg=<optimized out>) at loader/PingLoader.cpp:130
#15 0x00007f68178f9529 in WebCore::PingLoader::~PingLoader (this=0x7f67a646b050, __in_chrg=<optimized out>) at loader/PingLoader.cpp:131
#16 0x00007f68179d2b62 in WebCore::ThreadTimers::sharedTimerFiredInternal (this=0x7f67fa34d7a8) at platform/ThreadTimers.cpp:112
#17 0x00007f6813bf4789 in QObject::event (this=0x19c4580, e=<optimized out>) at kernel/qobject.cpp:1181
#18 0x00007f681410e474 in notify_helper (e=0x7fff643efdd0, receiver=0x19c4580, this=0x157e100) at kernel/qapplication.cpp:4486
#19 QApplicationPrivate::notify_helper (this=0x157e100, receiver=0x19c4580, e=0x7fff643efdd0) at kernel/qapplication.cpp:4458
#20 0x00007f68141132e1 in QApplication::notify (this=0x7fff643f00d0, receiver=0x19c4580, e=0x7fff643efdd0) at kernel/qapplication.cpp:4365
#21 0x00007f681664a466 in KApplication::notify (this=0x7fff643f00d0, receiver=0x19c4580, event=0x7fff643efdd0) at ../../kdeui/kernel/kapplication.cpp:311
#22 0x00007f6813bddafc in QCoreApplication::notifyInternal (this=0x7fff643f00d0, receiver=0x19c4580, event=0x7fff643efdd0) at kernel/qcoreapplication.cpp:787
#23 0x00007f6813c0ad62 in sendEvent (event=0x7fff643efdd0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#24 QTimerInfoList::activateTimers (this=0x1585770) at kernel/qeventdispatcher_unix.cpp:603
#25 0x00007f6813c08538 in timerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:184
#26 idleTimerSourceDispatch (source=<optimized out>) at kernel/qeventdispatcher_glib.cpp:231
#27 0x00007f6811987a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#28 0x00007f6811988258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#29 0x00007f6811988429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#30 0x00007f6813c08ed6 in QEventDispatcherGlib::processEvents (this=0x1550f40, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#31 0x00007f68141b610e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#32 0x00007f6813bdccf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#33 0x00007f6813bdcef7 in QEventLoop::exec (this=0x7fff643f0060, flags=...) at kernel/qeventloop.cpp:201
#34 0x00007f6813be1789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#35 0x00007f6819135b97 in kdemain (argc=1, argv=<optimized out>) at /build/buildd/rekonq-0.8.0/src/main.cpp:215
#36 0x00007f6818cc330d in __libc_start_main (main=0x400630 <main(int, char**)>, argc=1, ubp_av=0x7fff643f0a68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff643f0a58) at libc-start.c:226
#37 0x0000000000400661 in _start ()

Reported using DrKonqi