GHC: internal error: getMBlock: mmap: Operation not permitted

Trying to calculate partition of a number using generating fuction with memoization, like this:

{{{ #!/usr/bin/runhaskell

part* :: Int -> Integer part* = ( map part' [0..] !!)

part' :: Int -> Integer part' 0 = 1 part' 1 = 1 part' n =

sum $ map (\k ->

let kk = fromInteger(k); k1 = floor(1/2*kk*(3*kk-1)); k2 = floor(1/2*kk*(3*kk+1)) in

(-1)^(k+1) * ( (part (n-k1)) + (part (n-k2))) ) [1..toInteger(n)]

part n =

if n < 0 then 0 else part'' n

main = print $ part 20000

}}}

Then i watch how memory usage grows up to 2G (RES) and program stops:

./bug.hs
bug.hs: internal error: getMBlock: mmap: Operation not permitted
    (GHC version 7.4.1 for i386_unknown_linux)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportab

The kernel is compiled with PAE, and machine has 8G of RAM

Trac metadata

Trac field	Value
Version	7.4.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
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