ubiquity crashed with ValueError in command(): I/O operation on closed file

[Alberto Jovito]

Binary package hint: ubiquity

to start ubuntu in live usb

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: ubiquity 2.5.18
ProcVersionSignature: Ubuntu 2.6.38-5.32-generic 2.6.38-rc6
Uname: Linux 2.6.38-5-generic x86_64
Architecture: amd64
Date: Mon Feb 28 17:26:18 2011
ExecutablePath: /usr/lib/ubiquity/bin/ubiquity
InterpreterPath: /usr/bin/python2.7
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110227)
ProcCmdline: /usr/bin/python /usr/lib/ubiquity/bin/ubiquity --greeter --only
ProcEnviron: Error: [Errno 13] Permiso denegado: '/proc/4096/environ'
PythonArgs: ['/usr/lib/ubiquity/bin/ubiquity', '--greeter', '--only']
SourcePackage: ubiquity
Title: ubiquity crashed with ValueError in command(): I/O operation on closed file
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 #639723, 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.