backend crashed with ValueError in loads()

[Gregg Warren]

Binary package hint: checkbox

checkbox successfully worked for all tests except for the 3-D test and then crashed the system when I closed the test (while running the 3-D visualization)

ProblemType: Crash
DistroRelease: Ubuntu 10.04
Package: checkbox 0.9
ProcVersionSignature: Ubuntu 2.6.32-17.26-generic-pae 2.6.32.10+drm33.1
Uname: Linux 2.6.32-17-generic-pae i686
Architecture: i386
Date: Sun Mar 28 22:11:23 2010
ExecutablePath: /usr/share/checkbox/backend
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release i386 (20091028.5)
InterpreterPath: /usr/bin/python2.6
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/checkbox/backend /tmp/checkboxIvS2iZ/input /tmp/checkboxIvS2iZ/output
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, no user)
 LANG=en_US.utf8
PythonArgs: ['/usr/share/checkbox/backend', '/tmp/checkboxIvS2iZ/input', '/tmp/checkboxIvS2iZ/output']
SourcePackage: checkbox
Title: backend crashed with ValueError in loads()
UserGroups:

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #536645, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.