[Kst] [Bug 241273] deadlock when zooming data

[Timo Lindfors]

https://bugs.kde.org/show_bug.cgi?id=241273





--- Comment #4 from Timo Lindfors <timo lindfors iki fi>  2010-06-14 09:57:57 ---
I upgraded to svn 1137746 but I still see a deadlock if I resize the kst window
a few times after step 10:

Thread 2 (Thread 0x7f784b483710 (LWP 16173)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f7856c96df2 in KstWaitCondition::wait(QMutex*, unsigned long) ()
from /home/lindi/scm/graphics/kst/src/libkst/libkstbase.so.1
#2  0x00007f7856c59ae9 in KstRWLock::writeLock() const () from
/home/lindi/scm/graphics/kst/src/libkst/libkstbase.so.1
#3  0x00007f7856efcab4 in KstDataObject::writeLockInputsAndOutputs() () from
/home/lindi/scm/graphics/kst/src/libkstmath/libkstmath.so.1
#4  0x00007f7856f184b5 in KstVCurve::update(int) () from
/home/lindi/scm/graphics/kst/src/libkstmath/libkstmath.so.1
#5  0x00007f7857c0a85b in UpdateThread::doUpdates(bool, bool*) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#6  0x00007f7857c0bd26 in UpdateThread::run() () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#7  0x00007f7854685e5b in QThreadInstance::start(void*) () from
/usr/lib/libqt-mt.so.3
#8  0x00007f78502418ba in start_thread (arg=<value optimized out>) at
pthread_create.c:300
#9  0x00007f7854ec801d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#10 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f785815f760 (LWP 16157)):
#0  __lll_lock_wait () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:136
#1  0x00007f78502440e9 in _L_lock_953 () from /lib/libpthread.so.0
#2  0x00007f7850243f0b in __pthread_mutex_lock (mutex=0x13f01a8) at
pthread_mutex_lock.c:61
#3  0x00007f785495fd7d in QRealMutexPrivate::lock() () from
/usr/lib/libqt-mt.so.3
#4  0x00007f7856f1a6e0 in KstVCurve::paint(KstCurveRenderContext const&) ()
from /home/lindi/scm/graphics/kst/src/libkstmath/libkstmath.so.1
#5  0x00007f7857b24729 in Kst2DPlot::draw(KstPainter&) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#6  0x00007f7857b24e83 in Kst2DPlot::draw() () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#7  0x00007f7857b24f40 in Kst2DPlot::updateSelf() () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#8  0x00007f7857b63b2d in KstViewObject::paintUpdate() () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#9  0x00007f7857b66ca3 in KstViewObject::paint(KstPainter&, QRegion const&) ()
from /home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#10 0x00007f7857b67124 in KstViewObject::paint(KstPainter&, QRegion const&) ()
from /home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#11 0x00007f7857b7b0af in KstTopLevelView::paint(KstPainter::PaintType, QRegion
const&) () from /home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#12 0x00007f7857b7b19b in KstTopLevelView::paint(KstPainter::PaintType) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#13 0x00007f7857b5ea91 in KstViewWidget::paintEvent(QPaintEvent*) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#14 0x00007f7857b0a3b5 in Kst2DPlot::wheelEvent(QWidget*, QWheelEvent*) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#15 0x00007f7857b6147f in KstViewWidget::wheelEvent(QWheelEvent*) () from
/home/lindi/scm/graphics/kst/src/libkstapp/libkstapp.so.1
#16 0x00007f785471ce30 in QWidget::event(QEvent*) () from
/usr/lib/libqt-mt.so.3
#17 0x00007f785468b725 in QApplication::internalNotify(QObject*, QEvent*) ()
from /usr/lib/libqt-mt.so.3
#18 0x00007f785468cae3 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib/libqt-mt.so.3
#19 0x00007f785692b4a4 in KApplication::notify(QObject*, QEvent*) () from
/usr/lib/libkdecore.so.4
#20 0x00007f7854620bec in QETWidget::translateWheelEvent(int, int, int, int,
Qt::Orientation) () from /usr/lib/libqt-mt.so.3
#21 0x00007f785462af49 in QETWidget::translateMouseEvent(_XEvent const*) ()
from /usr/lib/libqt-mt.so.3
#22 0x00007f7854629d68 in QApplication::x11ProcessEvent(_XEvent*) () from
/usr/lib/libqt-mt.so.3
#23 0x00007f785463c35a in QEventLoop::processEvents(unsigned int) () from
/usr/lib/libqt-mt.so.3
#24 0x00007f78546a1fa1 in QEventLoop::enterLoop() () from
/usr/lib/libqt-mt.so.3
#25 0x00007f78546a1e62 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3
#26 0x000000000040d493 in main ()

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