designer-qt4 crashed with SIGSEGV in QSpiAdaptor::checkInterface()

[QA]

??

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: qt4-designer 4:4.7.4-0ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-11.18-generic 3.0.4
Uname: Linux 3.0.0-11-generic i686
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu1
Architecture: i386
Date: Sat Sep 17 08:28:31 2011
ExecutablePath: /usr/bin/designer-qt4
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta i386 (20110901)
ProcCmdline: /usr/bin/designer-qt4
SegvAnalysis:
 Segfault happened at: 0x3a8b12d <_ZNK11QSpiAdaptor14checkInterfaceEv+29>: mov (%eax),%edx
 PC (0x03a8b12d) ok
 source "(%eax)" (0x00000000) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: qt4-x11
StacktraceTop:
 QSpiAdaptor::checkInterface() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAdaptor::GetChildren() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAccessibleBridge::interfaceToAccessible(hostnameccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
Title: designer-qt4 crashed with SIGSEGV in QSpiAdaptor::checkInterface()
UpgradeStatus: Upgraded to oneiric on 2011-09-16 (0 days ago)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 QSpiAdaptor::checkInterface() const () from /tmp/tmpsWUu15/usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAdaptor::GetChildren() const () from /tmp/tmpsWUu15/usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAdaptor::getCacheItem() const () from /tmp/tmpsWUu15/usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /tmp/tmpsWUu15/usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
 QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /tmp/tmpsWUu15/usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so