I'm trying to narrow it down so that I can submit a meaningful bug report, and it seems to be something to do with switching off parallel GC using -qg, whilst also passing -Nx.
Are there any known issues with this that people are aware of? At the moment I am using the latest haskell platform release on arch. I'd like to give 7.2 a try in case that fixes it, but I'm using rather a lot of libraries (hmatrix, fclabels, random fu) and I don't know how to install them for multiple ghc versions On Wed, Oct 5, 2011 at 10:43 PM, Johan Tibell <[email protected]>wrote: > On Wed, Oct 5, 2011 at 2:37 PM, Tom Thorne <[email protected]>wrote: > >> The only problem is that now I am getting random occasional segmentation >> faults that I was not been getting before, and once got a message saying: >> Main: schedule: re-entered unsafely >> Perhaps a 'foreign import unsafe' should be 'safe'? >> I think this may be something to do with creating a lot of sparks though, >> since this occurs whether I have the parallel GC on or not. >> > > Unless you (or some library you're using) is doing what the error message > says then you should file a GHC bug here: > > http://hackage.haskell.org/trac/ghc/ > > -- Johan > >
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