CODEWITHSUNDEEP
linuxdockerhaskellcabalplutus
marcel_g
marcel_g

Reputation: 2030

cabal install ghc impossible happened: heap overflow

I'm trying to follow along with the Plutus Pioneer lectures, and I'm getting this error My system: Ubuntu Linux Docker image running on MacOS. I installed the Haskell package on the image from here: https://www.haskell.org/platform/linux.html

using this line in my Dockerfile: RUN apt-get install -y haskell-platform

This seems to install Cabal version 2.4.

When I clone the code repository for the lectures: https://github.com/input-output-hk/plutus-pioneer-program and then go to the week01 directory and try cabal build like in the lecture, I get dependencies not found errors. The first missing dependency is 'aeson', which seems to install if I run cabal install aeson.

The subsequent build attempts fail on dependency 'base' being the wrong version.

Then I thought maybe if I update Cabal to version 3.4 it might help, so I tried cabal install cabal-install, but this also has errors:

Theexception was:ExitFailure (-9)

This may be due to an out-of-memory condition.

So I googled some more and tried this command line: cabal install --ghc-options="+RTS -M600M" -j1 cabal-install from here https://stackoverflow.com/a/46148345/52236

This seems to get further, but now I'm at this error:

ghc: panic! (the 'impossible' happened)  
(GHC version 8.6.5 for x86_64-unknown-linux):   heap overflow

If anyone has any idea how to fix this it would be appreciated. Do I need to add more RAM to my Docker Ubuntu image? It currently has 1.9GB of memory and 1.7GB free. thanks, m

Upvotes: 0

Views: 399

Answers (1)

marcel_g
marcel_g

Reputation: 2030

I fixed this by increasing the RTS param:

cabal install --ghc-options="+RTS -M1000M" -j1 cabal-install

Well, actually it compiled everything, but cabal --version still says 2.4, not 3.4. There was this warning too:

Warning: could not create a symlink in /root/.cabal/bin for cabal because the

file exists there already but is not managed by cabal. You can create a

symlink for this executable manually if you wish. The executable file has been

installed at /root/.cabal/bin/cabal

Upvotes: 1

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