Installer crashed with OSError: [Errno 17] File exists: '/target/var'

[Marc Boisvert-Dupras]

Tried to install UBuntu 11.10 Oneiric on m latop. The installer crashes.

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: ubiquity 2.8.7
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic i686
ApportVersion: 1.23-0ubuntu3
Architecture: i386
CasperVersion: 1.287
Date: Fri Oct 21 15:56:29 2011
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Release i386 (20111012)
ProcEnviron:
 LANGUAGE=en_CA.UTF-8
 PATH=(custom, no user)
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Robert Roth (evfool)]

Exception during installation:
Traceback (most recent call last):
File "/usr/share/ubiquity/install.py", line 656, in <module>
     install.run()
File "/usr/share/ubiquity/install.py", line 130, in run
     self.copy_all()
File "/usr/share/ubiquity/install.py", line 408, in copy_all
     os.mkdir(targetpath, mode)
OSError: [Errno 17] File exists: '/target/var'

[Robert Roth (evfool)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug #875741, so it 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. Feel free to continue to report any other bugs you may find.