update-manager crashed with RuntimeError in <module>()

[Marc Cornellà]

Binary package hint: update-manager

Trying to upgrade to Ubuntu Intrepid Ibex.

ProblemType: Crash
Architecture: i386
DistroRelease: Ubuntu 8.04
ExecutablePath: /usr/bin/update-manager
InterpreterPath: /usr/bin/python2.5
NonfreeKernelModules: fglrx
Package: update-manager 1:0.87.30
PackageArchitecture: all
ProcAttrCurrent: unconfined
ProcCmdline: /usr/bin/python2.5 /usr/bin/update-manager
ProcEnviron:
 SHELL=/bin/bash
 PATH=/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/sbin:/sbin:/bin
PythonArgs: ['/usr/bin/update-manager']
SourcePackage: update-manager
Title: update-manager crashed with RuntimeError in <module>()
Traceback:
 Traceback (most recent call last):
   File "/usr/bin/update-manager", line 43, in <module>
     gtk.init_check()
 RuntimeError: could not open display
Uname: Linux 2.6.24-21-generic i686
UserGroups: