Version:           0.7.0 (using KDE 4.6.2) 
OS:                Linux

Hi

Application: rekonq (0.7.0)
KDE Platform Version: 4.6.2 (4.6.2)
Qt Version: 4.7.2
Operating System: Linux 2.6.38-8-generic x86_64
Distribution: Ubuntu 11.04

-- Information about the crash:
rekonq 0.7.0 on Kubuntu 11.04 crashed several times in the last days. The last crashed happened while reading some eMails on Google Mail's web interface.

The crash can be reproduced some of the time.

-- Backtrace:
Application: rekonq (rekonq), signal: Segmentation fault
[Current thread is 1 (Thread 0x7fdbf6379780 (LWP 14090))]

Thread 7 (Thread 0x7fdbdbab1700 (LWP 14091)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdbf4df6832 in scavengerThread (context=0x7fdbf561df00) at wtf/FastMalloc.cpp:2378
#2  WTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fdbf561df00) at wtf/FastMalloc.cpp:1497
#3  0x00007fdbf057ed8c in start_thread (arg=0x7fdbdbab1700) at pthread_create.c:304
#4  0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7fdbda4a0700 (LWP 14092)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdbf57d22a2 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7fdbf5aeb180) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2  0x00007fdbf57d22d9 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0x7fdbf5af9254) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3  0x00007fdbf057ed8c in start_thread (arg=0x7fdbda4a0700) at pthread_create.c:304
#4  0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7fdbd8f6d700 (LWP 14093)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdbf0d9582b in wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fdbf2d550b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd336d0, th=0x104f6e0) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fdbf2d57723 in ThreadWeaver::WorkingHardState::applyForWork (this=0xd517a0, th=0x104f6e0) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fdbf2d5653f in ThreadWeaver::ThreadRunHelper::run (this=0x7fdbd8f6ce20, parent=0xd336d0, th=0x104f6e0) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fdbf2d565cb in ThreadWeaver::Thread::run (this=0x104f6e0) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fdbf0d95175 in QThreadPrivate::start (arg=0x104f6e0) at thread/qthread_unix.cpp:320
#8  0x00007fdbf057ed8c in start_thread (arg=0x7fdbd8f6d700) at pthread_create.c:304
#9  0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7fdbd25ed700 (LWP 14094)):
#0  0x00007fdbf5bd2f03 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fdbecfb7104 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fdbecfb7639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fdbf0ea7446 in QEventDispatcherGlib::processEvents (this=0x10c22e0, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:424
#4  0x00007fdbf0e7b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fdbf0e7babc in QEventLoop::exec (this=0x7fdbd25ecdd0, flags=...) at kernel/qeventloop.cpp:201
#6  0x00007fdbf0d92924 in QThread::exec (this=<value optimized out>) at thread/qthread.cpp:492
#7  0x00007fdbf0e5dc2f in QInotifyFileSystemWatcherEngine::run (this=0x113fda0) at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fdbf0d95175 in QThreadPrivate::start (arg=0x113fda0) at thread/qthread_unix.cpp:320
#9  0x00007fdbf057ed8c in start_thread (arg=0x7fdbd25ed700) at pthread_create.c:304
#10 0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7fdbc6445700 (LWP 14111)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdbf0d9582b in wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fdbf2d550b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd336d0, th=0x15f5510) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fdbf2d57723 in ThreadWeaver::WorkingHardState::applyForWork (this=0xd517a0, th=0x15f5510) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fdbf2d5773c in ThreadWeaver::WorkingHardState::applyForWork (this=0xd517a0, th=0x15f5510) at ../../../threadweaver/Weaver/WorkingHardState.cpp:74
#6  0x00007fdbf2d5653f in ThreadWeaver::ThreadRunHelper::run (this=0x7fdbc6444e20, parent=0xd336d0, th=0x15f5510) at ../../../threadweaver/Weaver/Thread.cpp:87
#7  0x00007fdbf2d565cb in ThreadWeaver::Thread::run (this=0x15f5510) at ../../../threadweaver/Weaver/Thread.cpp:142
#8  0x00007fdbf0d95175 in QThreadPrivate::start (arg=0x15f5510) at thread/qthread_unix.cpp:320
#9  0x00007fdbf057ed8c in start_thread (arg=0x7fdbc6445700) at pthread_create.c:304
#10 0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7fdbc5c44700 (LWP 14145)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fdbf0d9582b in wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:88
#2  QWaitCondition::wait (this=<value optimized out>, mutex=0xd51980, time=18446744073709551615) at thread/qwaitcondition_unix.cpp:160
#3  0x00007fdbf2d550b4 in ThreadWeaver::WeaverImpl::blockThreadUntilJobsAreBeingAssigned (this=0xd336d0, th=0x33d3e10) at ../../../threadweaver/Weaver/WeaverImpl.cpp:365
#4  0x00007fdbf2d57723 in ThreadWeaver::WorkingHardState::applyForWork (this=0xd517a0, th=0x33d3e10) at ../../../threadweaver/Weaver/WorkingHardState.cpp:71
#5  0x00007fdbf2d5653f in ThreadWeaver::ThreadRunHelper::run (this=0x7fdbc5c43e20, parent=0xd336d0, th=0x33d3e10) at ../../../threadweaver/Weaver/Thread.cpp:87
#6  0x00007fdbf2d565cb in ThreadWeaver::Thread::run (this=0x33d3e10) at ../../../threadweaver/Weaver/Thread.cpp:142
#7  0x00007fdbf0d95175 in QThreadPrivate::start (arg=0x33d3e10) at thread/qthread_unix.cpp:320
#8  0x00007fdbf057ed8c in start_thread (arg=0x7fdbc5c44700) at pthread_create.c:304
#9  0x00007fdbf5be004d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fdbf6379780 (LWP 14090)):
[KCrash Handler]
#6  WebCore::KURL::init (this=0x7fff1e962080, base=..., relative=..., encoding=...) at platform/KURL.cpp:343
#7  0x00007fdbf49ebc49 in WebCore::KURL::KURL (this=0x7fff1e962080, base=..., relative=...) at platform/KURL.cpp:327
#8  0x00007fdbf4a1e31b in WebCore::makeURL (baseURL=..., relativeURLString=<value optimized out>) at plugins/PluginView.cpp:561
#9  0x00007fdbf4a20b75 in WebCore::PluginView::getURLNotify (this=0x0, url=0x1019520 "http://i4.ytimg.com/crossdomain.xml", target=<value optimized out>, notifyData=0x6) at plugins/PluginView.cpp:570
#10 0x00007fdbc129e0ea in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#11 0x00007fdbc129efe4 in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#12 0x00007fdbc12a8c75 in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#13 0x00007fdbc12a8e67 in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#14 0x00007fdbc12a9013 in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#15 0x00007fdbc12aab08 in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#16 0x00007fdbc129e38c in ?? () from /var/lib/flashplugin-installer/npwrapper.libflashplayer.so
#17 0x00007fdbecfb6bcd in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007fdbecfb73a8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fdbecfb7639 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fdbf0ea73ef in QEventDispatcherGlib::processEvents (this=0xc32340, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#21 0x00007fdbf1411dfe in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#22 0x00007fdbf0e7b882 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#23 0x00007fdbf0e7babc in QEventLoop::exec (this=0x7fff1e966610, flags=...) at kernel/qeventloop.cpp:201
#24 0x00007fdbf0e7fecb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#25 0x00007fdbf5f6d8f4 in kdemain (argc=1, argv=<value optimized out>) at /build/buildd/rekonq-0.7.0/src/main.cpp:215
#26 0x00007fdbf5b18eff in __libc_start_main (main=0x400730 <main(int, char**)>, argc=1, ubp_av=0x7fff1e967008, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff1e966ff8) at libc-start.c:226
#27 0x0000000000400659 in _start ()

Reproducible: Sometimes

Steps to Reproduce:
Just surf the internet.

Actual Results:  
rekonq crashes without any prior warning.

Expected Results:  
No crash.

Kcrash Handler finds no debug symbols for "rekonq" though "rekonq-dbg" is still installed.