package python2.6-minimal 2.6.5-1ubuntu2 failed to install/upgrade: error writing to '<standard output>': Input/output error

Binary package hint: python2.6

Did chmod 666 on crash report and attached it.

This is Lucid Beta 1 on Thinkpad T40

Was doing a sudo aptitude -q safe-upgrade, and browsing BBC with firefox 3.6

Jerry

ProblemType: Package
Architecture: i386
Date: Sat Mar 20 17:50:33 2010
DistroRelease: Ubuntu 10.04
ErrorMessage: error writing to '<standard output>': Input/output error
InstallationMedia: Ubuntu 10.04 "Lucid Lynx" - Beta i386 (20100318)
Package: python2.6-minimal 2.6.5-1ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
SourcePackage: python2.6
Title: package python2.6-minimal 2.6.5-1ubuntu2 failed to install/upgrade: error writing to '<standard output>': Input/output error
Uname: Linux 2.6.32-16-generic i686