linux-ppc64-head (Linux/ppc64 HEAD (Karel Gardas)), build 128, Failure

[Builder]

linux-ppc64-head (Linux/ppc64 HEAD (Karel Gardas)), build 128

Build failed
Details: http://haskell.inf.elte.hu/builders/linux-ppc64-head/128.html

git clone                    | Success
git clone (Windows tarballs) | Success
create mk/build.mk           | Success
repo versions                | Success
touching clean-check files   | Success
setting version date         | Success
booting                      | Success
configuring                  | Failure: Just (ExitFailure 11)

Build failed
Details: http://haskell.inf.elte.hu/builders/linux-ppc64-head/128.html

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./configure: line 561: save_bash_input: buffer already exists for new fd 417