[PyQt] Segmentation fault with an application based on PyQt

[André Sintzoff]

Hello,

I'm facing a weird issue with TortoiseHg application based on PyQt,
QScintilla, sip and Qt.

I'm not sure if it is a PyQt, or a QScintilla or a Qt issue.

The following trace occurs on Mac OS X 10.6.7 with:
Python 2.6.6
Qt 4.7.2
QScintilla 2.4.6
PyQt 4.8.3
sip 4.12.1
The versions are not the latest ones but I tried with these versions
to be at the same level as Ubuntu 11.04 (except for QScintilla 2.4.5
and Python 2.7.1).
On Ubuntu, no issue occurs.

I get a similar trace with latest versions PyQt (4.8.4), QScintilla
(2.5.1) and sip (4.12.3).

I'm completely puzzled. So if somebody has any idea, I would be glad to know it.

Thanks

André



Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000bf7fffec
Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Thread 0 Crashed:  Dispatch queue: com.apple.main-thread
0   com.apple.AppKit              	0x91aa95ef -[NSView
_convertRectToSuperview:] + 9
1   com.apple.AppKit              	0x91aa9561 -[NSView
_convertRect:toAncestor:] + 83
2   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
3   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
4   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
5   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
6   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
7   com.apple.AppKit              	0x91aa95a7 -[NSView
_convertRect:toAncestor:] + 153
8   com.apple.AppKit              	0x91aa93c9 -[NSView
convertRect:toView:] + 190
9   com.apple.AppKit              	0x91aa86b5 -[NSView
setNeedsDisplayInRect:] + 273
10  com.apple.AppKit              	0x91aa844b -[NSView setNeedsDisplay:] + 76
11  QtGui                         	0x029a5d8b -[QCocoaView
setNeedsDisplay:] + 107
12  QtGui                         	0x029a4272 -[QCocoaView setFrameSize:] + 290
13  com.apple.AppKit              	0x91aac385 -[NSView setFrame:] + 284
14  QtGui                         	0x02999097
QWidgetPrivate::setWSGeometry(bool, QRect const&) + 1143
15  QtGui                         	0x0299ea1d
QWidgetPrivate::setGeometry_sys_helper(int, int, int, int, bool) + 669
16  QtGui                         	0x0299f7eb
QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 123
17  QtGui                         	0x02a54b6c QWidget::resize(QSize
const&) + 108
18  QtGui                         	0x02e8607a
QScrollAreaPrivate::updateScrollBars() + 314
19  QtGui                         	0x02e86642
QScrollArea::eventFilter(QObject*, QEvent*) + 50
20  QtGui.so                      	0x02255d53
sipQScrollArea::eventFilter(QObject*, QEvent*) + 163
21  QtCore                        	0x0152152f
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*,
QEvent*) + 143
22  QtGui                         	0x02a00173
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 147
23  QtGui                         	0x02a06137
QApplication::notify(QObject*, QEvent*) + 327
24  QtGui.so                      	0x0248e363
sipQApplication::notify(QObject*, QEvent*) + 163
25  QtCore                        	0x0143135c
QCoreApplication::notifyInternal(QObject*, QEvent*) + 108
26  QtGui                         	0x0299ec82
QWidgetPrivate::setGeometry_sys_helper(int, int, int, int, bool) +
1282
27  QtGui                         	0x0299f7eb
QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 123
28  QtGui                         	0x02a54b6c QWidget::resize(QSize
const&) + 108
29  QtGui                         	0x02e8607a
QScrollAreaPrivate::updateScrollBars() + 314
30  QtGui                         	0x02e86642
QScrollArea::eventFilter(QObject*, QEvent*) + 50
31  QtGui.so                      	0x02255d53
sipQScrollArea::eventFilter(QObject*, QEvent*) + 163
32  QtCore                        	0x0152152f
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*,
QEvent*) + 143
33  QtGui                         	0x02a00173
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 147

[...]

496 QtGui                         	0x02a06137
QApplication::notify(QObject*, QEvent*) + 327
497 QtGui.so                      	0x0248e363
sipQApplication::notify(QObject*, QEvent*) + 163
498 QtCore                        	0x0143135c
QCoreApplication::notifyInternal(QObject*, QEvent*) + 108
499 QtGui                         	0x0299ec82
QWidgetPrivate::setGeometry_sys_helper(int, int, int, int, bool) +
1282
500 QtGui                         	0x0299f7eb
QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 123
501 QtGui                         	0x02a54b6c QWidget::resize(QSize
const&) + 108
502 QtGui                         	0x02e8607a
QScrollAreaPrivate::updateScrollBars() + 314
503 QtGui                         	0x02e86642
QScrollArea::eventFilter(QObject*, QEvent*) + 50
504 QtGui.so                      	0x02255d53
sipQScrollArea::eventFilter(QObject*, QEvent*) + 163
505 QtCore                        	0x0152152f
QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*,
QEvent*) + 143
506 QtGui                         	0x02a00173
QApplicationPrivate::notify_helper(QObject*, QEvent*) + 147
507 QtGui                         	0x02a06137
QApplication::notify(QObject*, QEvent*) + 327
508 QtGui.so                      	0x0248e363
sipQApplication::notify(QObject*, QEvent*) + 163
509 QtCore                        	0x0143135c
QCoreApplication::notifyInternal(QObject*, QEvent*) + 108
510 QtGui                         	0x0299ec82
QWidgetPrivate::setGeometry_sys_helper(int, int, int, int, bool) +
1282
511 QtGui                         	0x0299f7eb
QWidgetPrivate::setGeometry_sys(int, int, int, int, bool) + 123


André