Forgot to mention that I was profiling at the time. ghc -O --make -threaded -prof -auto-all loadtest.hs -o loadtest -lssl -lcrypto -lz ./loadtest +RTS -hc -sloadtest.gc Cannot compile without -O because of the "extent too large" assembler error. On Dec 14, 2005, at 2:40 PM, Joel Reymont wrote:

loadtest: internal error: traverse_weak_ptr_list: not WEAK Please report this as a bug to glasgow-haskell-bugs@haskell.org, or http://www.sourceforge.net/projects/ghc/

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