Did you try turning off SELinux to check?  

2008/12/2 Fraser Wilson <blancolioni@gmail.com>
Hi all,

Has anybody seen this?  I thought it might be an SELinux thing, but then I wouldn't expect GHC or darcs to run.  Audley is a fairly simple program in operating system feature terms, but I get the same error with anything I build myself.

[fraser@astroboy audley]$ ./dist/build/audley/audley
audley: internal error: getMBlock: mmap: Permission denied
    (GHC version 6.8.3 for i386_unknown_linux)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
Aborted
[fraser@astroboy audley]$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 6.8.3
[fraser@astroboy audley]$ cat /proc/version
Linux version 2.6.27-0.352.rc7.git1.fc10.i686 (mockbuild@x86-5.fedora.phx.redhat.com) (gcc version 4.3.2 20080917 (Red Hat 4.3.2-4) (GCC) ) #1 SMP Tue Sep 23 21:26:04 EDT 2008
[fraser@astroboy audley]$

cheers,
Fraser.

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