Maybe your app is loading the wrong libs?
Try running from the terminal and printing the libs that are being loaded:

$ cd /path/to/your/bundle.app/Contents/MacOS
$ DYLD_PRINT_LIBRARIES=1 ./your_app

Check if all the Qt and PyQt libraries loaded are in your bundle.

-- Emanuele.

On Dec 15, 2009, at 10:30 AM, aditya bhargava wrote:

It's a memory issue with Qt I think. The other interesting thing is, this problem doesn't occur if I build the app in alias mode with the -A flag...but of course that's not too useful if I want to distribute applications.

Here's the issue I get:


Exception:  EXC_BAD_ACCESS (0x0001)
Codes:      KERN_PROTECTION_FAILURE (0x0002) at 0x00000000

Thread 0 Crashed:
0 QtGui 0x167c792d QWidget::isActiveWindow() const + 141 1 QtGui 0x16c6fd2e QAccessibleWidget::state(int) const + 222 2 QtGui 0x16c6fd73 QAccessibleWidgetEx::state(int) const + 35 3 libqtaccessiblewidgets.dylib 0x16197b9d QAccessibleLineEdit::state(int) const + 33 4 QtGui 0x028f2178 QAccessible::cleanup() + 14728 5 QtGui 0x028f7016 QAccessible::cleanup() + 34854 6 QtGui 0x028f750d QAccessible::updateAccessibility(QObject*, int, QAccessible::Event) + 621 7 QtGui 0x02954e7a QWidgetPrivate::show_helper() + 330 8 QtGui 0x02955553 QWidget::setVisible(bool) + 1267 9 QtGui.so 0x02234aa5 sipQLineEdit::setVisible(bool) + 101 10 QtGui 0x02954cd8 QWidgetPrivate::showChildren(bool) + 328 11 QtGui 0x02954d8c QWidgetPrivate::show_helper() + 92 12 QtGui 0x02955553 QWidget::setVisible(bool) + 1267 13 QtGui.so 0x02417f11 sipQWidget::setVisible(bool) + 101 14 QtGui 0x02954cd8 QWidgetPrivate::showChildren(bool) + 328 15 QtGui 0x02954d8c QWidgetPrivate::show_helper() + 92 16 QtGui 0x02955553 QWidget::setVisible(bool) + 1267 17 QtGui.so 0x02417f11 sipQWidget::setVisible(bool) + 101 18 QtGui.so 0x02420150 sipQWidget::sipProtectVirt_languageChange(bool) + 25936 19 org.python.python 0x00499c5d PyEval_EvalFrameEx + 19936 20 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819
21  org.python.python                  0x0049ba61 PyEval_EvalCode + 87
22 org.python.python 0x004bf1d0 PyRun_FileExFlags + 260 23 org.python.python 0x0048fe3d PyAST_FromNode + 7784 24 org.python.python 0x00499c5d PyEval_EvalFrameEx + 19936 25 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819 26 org.python.python 0x00498f2e PyEval_EvalFrameEx + 16561 27 org.python.python 0x0049b8ad PyEval_EvalCodeEx + 1819
28  org.python.python                  0x0049ba61 PyEval_EvalCode + 87
29 org.python.python 0x004bf1d0 PyRun_FileExFlags + 260 30 org.python.python 0x004bf56a PyRun_SimpleFileExFlags + 640 31 org.python.python 0x004bf70d PyRun_SimpleFile + 40
32  ...cified.softwareRequirements     0x00007b9f start + 23863
33  ...cified.softwareRequirements     0x00008091 main + 297
34  ...cified.softwareRequirements     0x00001f63 start + 251
35  ...cified.softwareRequirements     0x00001e91 start + 41

Thread 0 crashed with X86 Thread State (32-bit):
  eax: 0x00000000  ebx: 0x028f2007  ecx: 0x16784105  edx: 0x00000000
  edi: 0x003bc630  esi: 0x003ab8a0  ebp: 0xbfffdce8  esp: 0xbfffdcc0
   ss: 0x0000001f  efl: 0x00010246  eip: 0x167c792d   cs: 0x00000017
   ds: 0x0000001f   es: 0x0000001f   fs: 0x00000000   gs: 0x00000037
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