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  • Glasgow Haskell Compiler
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  • #3903
Closed
Open
Created Mar 01, 2010 by benl@trac-benl

DPH bad sliceP causes RTS panic "allocGroup: requested zero blocks"

$ ghci -XPArr
...
Prelude> :m GHC.PArr
Prelude GHC.PArr> sliceP 10 10 [::]
<interactive>: internal error: allocGroup: requested zero blocks
    (GHC version 6.12.1 for i386_apple_darwin)
    Please report this as a GHC bug:  http://www.haskell.org/ghc/reportabug
Abort trap

sliceP 10 10 [::] is bogus. This should have been picked up in the libraries before hitting the RTS assertion.

Trac metadata
Trac field Value
Version 6.13
Type Bug
TypeOfFailure OtherFailure
Priority normal
Resolution Unresolved
Component Data Parallel Haskell
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