Bug 311738

Application: rekonq (1.81)
KDE Platform Version: 4.9.3
Qt Version: 4.8.3
Operating System: Linux 3.5.0-19-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
- What I was doing when the application crashed:

I launched rekonq which hanged for a long time unresponsive. I decided to close it and after a while it closed and give this crash error.

-- Backtrace:
Application: rekonq (kdeinit4), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f967180b780 (LWP 4007))]

Thread 4 (Thread 0x7f965f779700 (LWP 4008)):
#0  0x00007f96741dfd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
#1  0x00007f966c4e7b2d in WTF::TCMalloc_PageHeap::scavengerThread (this=0x7f966cea8280 <WTF::pageheap_memory>) at wtf/FastMalloc.cpp:2499
#2  0x00007f966c4e7c39 in WTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at wtf/FastMalloc.cpp:1622
#3  0x00007f96741dbe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#4  0x00007f9676a11cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f965ee78700 (LWP 4009)):
#0  0x00007f9676a06303 in poll () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9673902d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9673902ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9677e32c16 in QEventDispatcherGlib::processEvents (this=0x7f96580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007f9677e032bf in QEventLoop::processEvents (this=this@entry=0x7f965ee77e00, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007f9677e03548 in QEventLoop::exec (this=0x7f965ee77e00, flags=...) at kernel/qeventloop.cpp:204
#6  0x00007f9677d04b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#7  0x00007f9677d07aec in QThreadPrivate::start (arg=0xd61960) at thread/qthread_unix.cpp:338
#8  0x00007f96741dbe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#9  0x00007f9676a11cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#10 0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f965c89b700 (LWP 4011)):
#0  0x00007f9676a1f9ff in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9676a048b2 in read () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f967393ef6f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9673902914 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9673902d22 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f9673902ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f9677e32c16 in QEventDispatcherGlib::processEvents (this=0x7f96100008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#7  0x00007f9677e032bf in QEventLoop::processEvents (this=this@entry=0x7f965c89add0, flags=...) at kernel/qeventloop.cpp:149
#8  0x00007f9677e03548 in QEventLoop::exec (this=0x7f965c89add0, flags=...) at kernel/qeventloop.cpp:204
#9  0x00007f9677d04b10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#10 0x00007f9677de39af in QInotifyFileSystemWatcherEngine::run (this=0x15fceb0) at io/qfilesystemwatcher_inotify.cpp:248
#11 0x00007f9677d07aec in QThreadPrivate::start (arg=0x15fceb0) at thread/qthread_unix.cpp:338
#12 0x00007f96741dbe9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
#13 0x00007f9676a11cbd in clone () from /lib/x86_64-linux-gnu/libc.so.6
#14 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f967180b780 (LWP 4007)):
[KCrash Handler]
#5  0x0000000000000000 in ?? ()
#6  0x00007f96774cd325 in QStyleSheetStyle::event (this=0xde0ed0, e=0x7fffb4d940c0) at styles/qstylesheetstyle.cpp:5798
#7  0x00007f96771abe9c in QApplicationPrivate::notify_helper (this=this@entry=0xbd2130, receiver=receiver@entry=0xde0ed0, e=e@entry=0x7fffb4d940c0) at kernel/qapplication.cpp:4562
#8  0x00007f96771b030a in QApplication::notify (this=0x7fffb4d95000, receiver=0xde0ed0, e=0x7fffb4d940c0) at kernel/qapplication.cpp:4423
#9  0x00007f9678b7d1d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#10 0x00007f9677e0456e in QCoreApplication::notifyInternal (this=0x7fffb4d95000, receiver=0xde0ed0, event=0x7fffb4d940c0) at kernel/qcoreapplication.cpp:915
#11 0x00007f96771aa75c in sendEvent (event=0x7fffb4d940c0, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#12 QApplicationPrivate::setFocusWidget (focus=0x0, reason=Qt::OtherFocusReason) at kernel/qapplication.cpp:2265
#13 0x00007f96771ea304 in clearFocus (this=0xd12c40) at kernel/qwidget.cpp:6542
#14 QWidget::clearFocus (this=0xd12c40) at kernel/qwidget.cpp:6526
#15 0x00007f96771f5b56 in QWidget::~QWidget (this=0xd12c40, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1608
#16 0x00007f9665555f89 in UrlBar::~UrlBar (this=0xd12c40, __in_chrg=<optimized out>) at /usr/local/src/rekonq-git/src/urlbar/urlbar.cpp:177
#17 0x00007f9677201791 in QWidgetAction::~QWidgetAction (this=0xdeb730, __in_chrg=<optimized out>) at kernel/qwidgetaction.cpp:128
#18 0x00007f9678aa3aa9 in KAction::~KAction() () from /usr/lib/libkdeui.so.5
#19 0x00007f9677e17182 in QObjectPrivate::deleteChildren (this=0xbdf360) at kernel/qobject.cpp:1908
#20 0x00007f96771f5c24 in QWidget::~QWidget (this=0xbdf2b0, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#21 0x00007f966558c4e9 in WebWindow::~WebWindow (this=0xbdf2b0, __in_chrg=<optimized out>) at /usr/local/src/rekonq-git/src/webwindow/webwindow.cpp:160
#22 0x00007f9677e17182 in QObjectPrivate::deleteChildren (this=0xbd53c0) at kernel/qobject.cpp:1908
#23 0x00007f96771f5c24 in QWidget::~QWidget (this=0xd53250, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#24 0x00007f9677604319 in QStackedWidget::~QStackedWidget (this=0xd53250, __in_chrg=<optimized out>) at widgets/qstackedwidget.cpp:193
#25 0x00007f9677e17182 in QObjectPrivate::deleteChildren (this=0xbd4f30) at kernel/qobject.cpp:1908
#26 0x00007f96771f5c24 in QWidget::~QWidget (this=0xbd5360, __in_chrg=<optimized out>) at kernel/qwidget.cpp:1677
#27 0x00007f966554c7ef in RekonqWindow::~RekonqWindow (this=0xbd5360, __in_chrg=<optimized out>) at /usr/local/src/rekonq-git/src/tabwindow/rekonqwindow.cpp:148
#28 0x00007f96655532a8 in ~TabWindow (this=0xbd5360, __in_chrg=<optimized out>) at /usr/local/src/rekonq-git/src/tabwindow/tabwindow.h:58
#29 TabWindow::~TabWindow (this=0xbd5360, __in_chrg=<optimized out>) at /usr/local/src/rekonq-git/src/tabwindow/tabwindow.h:58
#30 0x00007f9677e19468 in QObject::event (this=0xbd5360, e=<optimized out>) at kernel/qobject.cpp:1176
#31 0x00007f96771fb0da in QWidget::event (this=0xbd5360, event=0x147fd70) at kernel/qwidget.cpp:8830
#32 0x00007f96771abe9c in QApplicationPrivate::notify_helper (this=this@entry=0xbd2130, receiver=receiver@entry=0xbd5360, e=e@entry=0x147fd70) at kernel/qapplication.cpp:4562
#33 0x00007f96771b030a in QApplication::notify (this=0x7fffb4d95000, receiver=0xbd5360, e=0x147fd70) at kernel/qapplication.cpp:4423
#34 0x00007f9678b7d1d6 in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#35 0x00007f9677e0456e in QCoreApplication::notifyInternal (this=0x7fffb4d95000, receiver=receiver@entry=0xbd5360, event=event@entry=0x147fd70) at kernel/qcoreapplication.cpp:915
#36 0x00007f9677e083f1 in sendEvent (event=0x147fd70, receiver=0xbd5360) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#37 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0xaf02b0) at kernel/qcoreapplication.cpp:1539
#38 0x00007f9677e08673 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1432
#39 0x00007f9677e0873f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1194
#40 0x00007f96655a23ce in kdemain (argc=1, argv=0xaf1770) at /usr/local/src/rekonq-git/src/main.cpp:229
#41 0x00000000004084c6 in _start ()

Possible duplicates by query: bug 311567, bug 310905, bug 310470, bug 308815, bug 306499.

Reported using DrKonqi