python2.7 crashed with SIGSEGV in g_return_if_fail_warning()

[Paolo Sammicheli]

small python application created with quickly and qtquick template.

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: python2.7-minimal 2.7.2-3ubuntu1
ProcVersionSignature: Ubuntu 3.0-3.4-generic 3.0.0-rc5
Uname: Linux 3.0-3-generic i686
Architecture: i386
CrashCounter: 1
Date: Mon Aug 1 13:48:50 2011
ExecutablePath: /usr/bin/python2.7
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110705.1)
ProcCmdline: /usr/bin/python bin/antani
ProcEnviron:
 SHELL=/bin/bash
 LANG=it_IT.UTF-8
SegvAnalysis:
 Segfault happened at: 0x80dc954: mov 0x8(%eax),%eax
 PC (0x080dc954) ok
 source "0x8(%eax)" (0x00000008) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: python2.7
StacktraceTop:
 g_return_if_fail_warning () from /lib/i386-linux-gnu/libglib-2.0.so.0
 gtk_widget_style_get () from /usr/lib/i386-linux-gnu/libgtk-x11-2.0.so.0
 QGtkStyle::pixelMetric(QStyle::PixelMetric, QStyleOption const*, QWidget const*) const () from /usr/lib/libQtGui.so.4
 QScrollBar::sizeHint() const () from /usr/lib/libQtGui.so.4
 QAbstractScrollAreaPrivate::layoutChildren() () from /usr/lib/libQtGui.so.4
Title: python2.7 crashed with SIGSEGV in g_return_if_fail_warning()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_return_if_fail_warning (log_domain=0x1e42c9b "Gtk", pretty_function=0x1f0bf20 "IA__gtk_widget_style_get", expression=0x1e44cb6 "GTK_IS_WIDGET (widget)") at /build/buildd/glib2.0-2.29.14/./glib/gmessages.c:600
 IA__gtk_widget_style_get (widget=0x0, first_property_name=0x715687d "trough-border") at /build/buildd/gtk+2.0-2.24.5/gtk/gtkwidget.c:10015
 QGtkStyle::pixelMetric(QStyle::PixelMetric, QStyleOption const*, QWidget const*) const () from /usr/lib/libQtGui.so.4
 QScrollBar::sizeHint() const () from /usr/lib/libQtGui.so.4
 QAbstractScrollAreaPrivate::layoutChildren() () from /usr/lib/libQtGui.so.4

[dino99 (9d9)]

This version has expired long time ago, and is no more supported