QNativeImage: Unable to attach to shared memory segment.

$ retext

(python:14316): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed

(python:14316): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed
QWidget::setMinimumSize: (/ReTextWindow) The largest allowed size is (16777215,16777215)

(python:14316): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion `GTK_IS_WIDGET (widget)' failed
QNativeImage: Unable to attach to shared memory segment.

X Error: BadDrawable (invalid Pixmap or Window parameter) 9
  Major opcode: 62 (X_CopyArea)
  Resource id: 0x0
^\Quit

I removed the non-unique lines in order to file a concise bug report.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: retext 3.1.0-1
ProcVersionSignature: Ubuntu 3.5.0-4.4-generic 3.5.0-rc6
Uname: Linux 3.5.0-4-generic x86_64
ApportVersion: 2.3-0ubuntu4
Architecture: amd64
Date: Wed Jul 18 16:27:24 2012
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1)
PackageArchitecture: all
SourcePackage: retext
UpgradeStatus: Upgraded to quantal on 2012-07-10 (8 days ago)