unable to write bootloader on fresh install of 11.10 on firmware raid 5

[Walt Corey]

I had an existing 10.10 install on this very machine with firmware raid 0. I installed 4 500GB drives as raid 5 and the install worked right up until the end when it failed.

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 x86_64
ApportVersion: 1.23-0ubuntu3
Architecture: amd64
CasperVersion: 1.287
Date: Sat Nov 26 14:01:36 2011
LiveMediaBuild: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
ProcEnviron:
 LANGUAGE=
 PATH=(custom, no user)
 LANG=en_US.UTF-8
SourcePackage: ubiquity
UpgradeStatus: No upgrade log present (probably fresh install)

[Ubuntu Foundations Team Bug Bot (crichton)]

Exception during installation:
Nov 26 14:01:30 ubuntu plugininstall.py: Traceback (most recent call last):
Nov 26 14:01:30 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 1641, in <module>
Nov 26 14:01:30 ubuntu plugininstall.py: install.run()
Nov 26 14:01:30 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 55, in wrapper
Nov 26 14:01:30 ubuntu plugininstall.py: func(self)
Nov 26 14:01:30 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 199, in run
Nov 26 14:01:30 ubuntu plugininstall.py: self.configure_bootloader()
Nov 26 14:01:30 ubuntu plugininstall.py: File "/usr/share/ubiquity/plugininstall.py", line 955, in configure_bootloader
Nov 26 14:01:30 ubuntu plugininstall.py: "GrubInstaller failed with code %d" % ret)
Nov 26 14:01:30 ubuntu plugininstall.py: InstallStepError: GrubInstaller failed with code 1
Nov 26 14:01:30 ubuntu plugininstall.py:

[Phillip Susi (psusi)]

11.10 has reached end of life and is no longer supported.