ALT-F2 run dialogue returns "command not found"

[peddy]

When pressing alt-F2, if I enter "firefox" for instance, "command not found" is displayed. This happens to all executables, located in /bin as well as /usr/bin. Entering just "r" still restarts the shell.

I suspect the PATH is not being taken into account.

If I use full pathnames, e.g. I type in "/usr/bin/firefox", the file is opened in gedit.

I can also type in full names of directories and they are opened.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: gnome-shell 3.1.3-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-10.46-generic 2.6.38.7
Uname: Linux 2.6.38-10-generic x86_64
NonfreeKernelModules: nvidia
Architecture: amd64
Date: Thu Aug 18 17:40:21 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcEnviron:
 LANGUAGE=en_NZ:en
 LANG=en_NZ.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to oneiric on 2011-08-18 (0 days ago)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.