[Qgis-developer] valuetool crashes qgis

[Vincent Schut]

the gdb backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff25f949e in QPen::operator=(QPen const&) () from 
/usr/lib/libQtGui.so.4
(gdb) bt
#0  0x00007ffff25f949e in QPen::operator=(QPen const&) () from 
/usr/lib/libQtGui.so.4
#1  0x00007fffbbda16f8 in QwtSymbol::clone() const () from 
/usr/lib/libqwt.so.1
#2  0x00007fffd01438b8 in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/Qwt5/Qwt.so
#3  0x00007fffbbdabdaa in QwtPlotCurve::setSymbol(QwtSymbol const&) () 
from /usr/lib/libqwt.so.1
#4  0x00007fffd017ed1e in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/Qwt5/Qwt.so
#5  0x00007fffdefe402a in PyEval_EvalFrameEx () from 
/usr/lib/libpython2.7.so.1.0
#6  0x00007fffdefe4eb5 in PyEval_EvalCodeEx () from 
/usr/lib/libpython2.7.so.1.0
#7  0x00007fffdef75526 in function_call () from /usr/lib/libpython2.7.so.1.0
#8  0x00007fffdef5188e in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#9  0x00007fffdef5fe68 in instancemethod_call () from 
/usr/lib/libpython2.7.so.1.0
#10 0x00007fffdef5188e in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#11 0x00007fffdefa4582 in slot_tp_init () from /usr/lib/libpython2.7.so.1.0
#12 0x00007fffdefa421c in type_call () from /usr/lib/libpython2.7.so.1.0
#13 0x00007fffdef5188e in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#14 0x00007fffdefe0b39 in PyEval_EvalFrameEx () from 
/usr/lib/libpython2.7.so.1.0
#15 0x00007fffdefe3a53 in PyEval_EvalFrameEx () from 
/usr/lib/libpython2.7.so.1.0
#16 0x00007fffdefe3a53 in PyEval_EvalFrameEx () from 
/usr/lib/libpython2.7.so.1.0
#17 0x00007fffdefe4eb5 in PyEval_EvalCodeEx () from 
/usr/lib/libpython2.7.so.1.0
#18 0x00007fffdefe312c in PyEval_EvalFrameEx () from 
/usr/lib/libpython2.7.so.1.0
#19 0x00007fffdefe4eb5 in PyEval_EvalCodeEx () from 
/usr/lib/libpython2.7.so.1.0
#20 0x00007fffdef75526 in function_call () from /usr/lib/libpython2.7.so.1.0
#21 0x00007fffdef5188e in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#22 0x00007fffdef5fe68 in instancemethod_call () from 
/usr/lib/libpython2.7.so.1.0
#23 0x00007fffdef5188e in PyObject_Call () from /usr/lib/libpython2.7.so.1.0
#24 0x00007fffdefde547 in PyEval_CallObjectWithKeywords () from 
/usr/lib/libpython2.7.so.1.0
#25 0x00007fffdeafbcf0 in ?? () from /usr/lib/python2.7/site-packages/sip.so
#26 0x00007fffde820936 in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/QtCore.so
#27 0x00007fffde820c58 in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/QtCore.so
#28 0x00007fffde820d32 in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/QtCore.so
#29 0x00007ffff30e4f93 in QMetaObject::activate(QObject*, QMetaObject 
const*, int, void**) () from /usr/lib/libQtCore.so.4
#30 0x00007ffff2ae62c2 in QAbstractButton::clicked(bool) () from 
/usr/lib/libQtGui.so.4
#31 0x00007ffff283a22e in ?? () from /usr/lib/libQtGui.so.4
#32 0x00007ffff283aa60 in ?? () from /usr/lib/libQtGui.so.4
#33 0x00007ffff283accc in 
QAbstractButton::mouseReleaseEvent(QMouseEvent*) () from 
/usr/lib/libQtGui.so.4
#34 0x00007fffde1c44d3 in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/QtGui.so
#35 0x00007ffff24d0690 in QWidget::event(QEvent*) () from 
/usr/lib/libQtGui.so.4
#36 0x00007fffde1c49fb in ?? () from 
/usr/lib/python2.7/site-packages/PyQt4/QtGui.so
#37 0x00007ffff2480f7c in QApplicationPrivate::notify_helper(QObject*, 
QEvent*) () from /usr/lib/libQtGui.so.4
#38 0x00007ffff2485c5b in QApplication::notify(QObject*, QEvent*) () 
from /usr/lib/libQtGui.so.4
#39 0x00007ffff47b11ae in QgsApplication::notify (this=0x7fffffffd6b0, 
receiver=0x3192450, event=0x7fffffffc9f0) at 
/usr/local/src/qgis/src/core/qgsapplication.cpp:222
#40 0x00007ffff30cf8ee in QCoreApplication::notifyInternal(QObject*, 
QEvent*) () from /usr/lib/libQtCore.so.4
#41 0x00007ffff2481dbb in QApplicationPrivate::sendMouseEvent(QWidget*, 
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) 
() from /usr/lib/libQtGui.so.4
#42 0x00007ffff24fc804 in ?? () from /usr/lib/libQtGui.so.4
#43 0x00007ffff24fb591 in QApplication::x11ProcessEvent(_XEvent*) () 
from /usr/lib/libQtGui.so.4
#44 0x00007ffff2521682 in ?? () from /usr/lib/libQtGui.so.4
#45 0x00007fffef0d44a5 in g_main_context_dispatch () from 
/usr/lib/libglib-2.0.so.0
#46 0x00007fffef0d47d8 in ?? () from /usr/lib/libglib-2.0.so.0
#47 0x00007fffef0d4894 in g_main_context_iteration () from 
/usr/lib/libglib-2.0.so.0
#48 0x00007ffff30fdae6 in 
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) 
() from /usr/lib/libQtCore.so.4
#49 0x00007ffff25212fe in ?? () from /usr/lib/libQtGui.so.4
#50 0x00007ffff30ce63f in 
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/usr/lib/libQtCore.so.4
#51 0x00007ffff30ce8c8 in 
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from 
/usr/lib/libQtCore.so.4
#52 0x00007ffff30d3568 in QCoreApplication::exec() () from 
/usr/lib/libQtCore.so.4
#53 0x000000000053b2f3 in main (argc=1, argv=0x7fffffffdf58) at 
/usr/local/src/qgis/src/app/main.cpp:798

I hope this is helpful. I did compile qgis in debug mode, but I think 
all my (py)qt stuff was not compiled for debugging...
If I can help more, please let me know.

Vincent.

On 06/28/2012 12:19 PM, Paolo Cavallini wrote:
> Il 28/06/2012 12:15, Vincent Schut ha scritto:
>
>> however, when I try to install the valuetool plugin, it still crashes with a
>> segmentation fault.
> backtrace?
> thanks.
>