Bug 269237

Application: kwin (4.6.41 (4.7 >= 20110106) "release 2")
KDE Platform Version: 4.6.41 (4.7 >= 20110106) "release 2"
Qt Version: 4.7.2
Operating System: Linux 2.6.37.1-1.2-default i686
Distribution: "openSUSE 11.4 (i586)"

-- Information about the crash:
if using aurorae as window decorator, kwin crashes whenever i maximaze a window. it doesn't matter whether i maximize the window by clicking the maximize button or by double-clicking the window title.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin), signal: Segmentation fault
[Current thread is 1 (Thread 0xb0fb6720 (LWP 18232))]

Thread 2 (Thread 0xae035b70 (LWP 18260)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb6289105 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#2  0xb7686aec in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libc.so.6
#3  0xb6d10ed7 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0xb6e271a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0xb6d10f1f in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=0xb6e271a0) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0xb6284b05 in start_thread () from /lib/libpthread.so.0
#6  0xb7678d5e in clone () from /lib/libc.so.6

Thread 1 (Thread 0xb0fb6720 (LWP 18232)):
[KCrash Handler]
#7  QGraphicsItemPrivate::invalidateParentGraphicsEffectsRecursively (this=0x0) at graphicsview/qgraphicsitem.cpp:5372
#8  0xb5f77e83 in QGraphicsItem::update (this=0x860d418, rect=...) at graphicsview/qgraphicsitem.cpp:5679
#9  0xaf2b8695 in Aurorae::AuroraeMaximizeButton::mouseReleaseEvent (this=0x860d410, event=0xbf889bd8) at /usr/src/debug/kde-workspace-4.6.41_20110213/kwin/clients/aurorae/src/lib/auroraebutton.cpp:398
#10 0xb5f73f1f in QGraphicsItem::sceneEvent (this=0x860d418, event=0xbf889bd8) at graphicsview/qgraphicsitem.cpp:6721
#11 0xb5fd4a66 in QGraphicsWidget::sceneEvent (this=0x860d410, event=0xbf889bd8) at graphicsview/qgraphicswidget.cpp:1191
#12 0xb5f9f7de in QGraphicsScenePrivate::sendEvent (this=0x8604ff0, item=0x860d418, event=0xbf889bd8) at graphicsview/qgraphicsscene.cpp:1207
#13 0xb5fa04a8 in QGraphicsScenePrivate::sendMouseEvent (this=0x8604ff0, mouseEvent=0xbf889bd8) at graphicsview/qgraphicsscene.cpp:1281
#14 0xb5fa0f17 in QGraphicsScene::mouseReleaseEvent (this=0x8604f88, mouseEvent=0xbf889bd8) at graphicsview/qgraphicsscene.cpp:4107
#15 0xaf2bd2d2 in Aurorae::AuroraeScene::mouseReleaseEvent (this=0x8604f88, event=0xbf889bd8) at /usr/src/debug/kde-workspace-4.6.41_20110213/kwin/clients/aurorae/src/lib/auroraescene.cpp:946
#16 0xb5fb492c in QGraphicsScene::event (this=0x8604f88, event=0xbf889bd8) at graphicsview/qgraphicsscene.cpp:3440
#17 0xb5906684 in QApplicationPrivate::notify_helper (this=0x8089d50, receiver=0x8604f88, e=0xbf889bd8) at kernel/qapplication.cpp:4462
#18 0xb590f427 in QApplication::notify (this=0xbf88aa74, receiver=0x8604f88, e=0xbf889bd8) at kernel/qapplication.cpp:3862
#19 0xb73697a1 in KApplication::notify (this=0xbf88aa74, receiver=0x8604f88, event=0xbf889bd8) at /usr/src/debug/kdelibs-4.6.41_20110213/kdeui/kernel/kapplication.cpp:311
#20 0xb775ffa1 in KWin::Application::notify (this=0xbf88aa74, o=0x8604f88, e=0xbf889bd8) at /usr/src/debug/kde-workspace-4.6.41_20110213/kwin/main.cpp:364
#21 0xb63fd78e in QCoreApplication::notifyInternal (this=0xbf88aa74, receiver=0x8604f88, event=0xbf889bd8) at kernel/qcoreapplication.cpp:731
#22 0xb590463d in sendSpontaneousEvent (receiver=0x8604f88, event=0xbf889bd8) at ../../src/corelib/kernel/qcoreapplication.h:218
#23 qt_sendSpontaneousEvent (receiver=0x8604f88, event=0xbf889bd8) at kernel/qapplication.cpp:5456
#24 0xb5fcdc0c in QGraphicsView::mouseReleaseEvent (this=0x860e648, event=0xbf88a364) at graphicsview/qgraphicsview.cpp:3336
#25 0xb5961af0 in QWidget::event (this=0x860e648, event=0xbf88a364) at kernel/qwidget.cpp:8259
#26 0xb5d710f5 in QFrame::event (this=0x860e648, e=0xbf88a364) at widgets/qframe.cpp:557
#27 0xb5e02b91 in QAbstractScrollArea::viewportEvent (this=0x860e648, e=0xbf88a364) at widgets/qabstractscrollarea.cpp:1043
#28 0xb5fd2ddc in QGraphicsView::viewportEvent (this=0x860e648, event=0xbf88a364) at graphicsview/qgraphicsview.cpp:2864
#29 0xb5e05486 in viewportEvent (this=0x860fd50, o=0x860fdc0, e=0xbf88a364) at widgets/qabstractscrollarea_p.h:100
#30 QAbstractScrollAreaFilter::eventFilter (this=0x860fd50, o=0x860fdc0, e=0xbf88a364) at widgets/qabstractscrollarea_p.h:116
#31 0xb63fd926 in QCoreApplicationPrivate::sendThroughObjectEventFilters (this=0x8089d50, receiver=0x860fdc0, event=0xbf88a364) at kernel/qcoreapplication.cpp:846
#32 0xb5906654 in QApplicationPrivate::notify_helper (this=0x8089d50, receiver=0x860fdc0, e=0xbf88a364) at kernel/qapplication.cpp:4458
#33 0xb590ff80 in QApplication::notify (this=0xbf88a05c, receiver=0x860fdc0, e=0xbf88a364) at kernel/qapplication.cpp:4023
#34 0xb73697a1 in KApplication::notify (this=0xbf88aa74, receiver=0x860fdc0, event=0xbf88a364) at /usr/src/debug/kdelibs-4.6.41_20110213/kdeui/kernel/kapplication.cpp:311
#35 0xb775ffa1 in KWin::Application::notify (this=0xbf88aa74, o=0x860fdc0, e=0xbf88a364) at /usr/src/debug/kde-workspace-4.6.41_20110213/kwin/main.cpp:364
#36 0xb63fd78e in QCoreApplication::notifyInternal (this=0xbf88aa74, receiver=0x860fdc0, event=0xbf88a364) at kernel/qcoreapplication.cpp:731
#37 0xb590772c in sendSpontaneousEvent (receiver=0x860fdc0, event=0xbf88a364, alienWidget=0x0, nativeWidget=0x860fdc0, buttonDown=0xb627bc00, lastMouseReceiver=..., spontaneous=true) at ../../src/corelib/kernel/qcoreapplication.h:218
#38 QApplicationPrivate::sendMouseEvent (receiver=0x860fdc0, event=0xbf88a364, alienWidget=0x0, nativeWidget=0x860fdc0, buttonDown=0xb627bc00, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:3120
#39 0xb5993bb0 in QETWidget::translateMouseEvent (this=0x860fdc0, event=0xbf88a87c) at kernel/qapplication_x11.cpp:4461
#40 0xb5992cbe in QApplication::x11ProcessEvent (this=0xbf88aa74, event=0xbf88a87c) at kernel/qapplication_x11.cpp:3465
#41 0xb59be1db in QEventDispatcherX11::processEvents (this=0x8088a70, flags=...) at kernel/qeventdispatcher_x11.cpp:132
#42 0xb63fca6d in QEventLoop::processEvents (this=0xbf88a9a4, flags=...) at kernel/qeventloop.cpp:149
#43 0xb63fcc99 in QEventLoop::exec (this=0xbf88a9a4, flags=...) at kernel/qeventloop.cpp:201
#44 0xb6401740 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1008
#45 0xb59043d4 in QApplication::exec () at kernel/qapplication.cpp:3736
#46 0xb7762a37 in kdemain (argc=3, argv=0xbf88ace4) at /usr/src/debug/kde-workspace-4.6.41_20110213/kwin/main.cpp:522
#47 0x0804860b in main (argc=3, argv=0xbf88ace4) at /usr/src/debug/kde-workspace-4.6.41_20110213/build/kwin/kwin_dummy.cpp:3

This bug may be a duplicate of or related to bug 242165.

Possible duplicates by query: bug 242165.

Reported using DrKonqi