#10414: Buggy behavior with threaded runtime (-N1 working, -N2 getting into <<loop>>) -------------------------------------+------------------------------------- Reporter: exio4 | Owner: Type: bug | Status: patch Priority: normal | Milestone: Component: Compiler | Version: 7.10.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: Type of failure: Incorrect result | Unknown/Multiple at runtime | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Revisions: Phab:D1040 -------------------------------------+------------------------------------- Comment (by Ben Gamari <ben@…>): In [changeset:"aaa0cd20fdaf8e923e3a083befc2612154cba629/ghc"]: {{{ #!CommitTicketReference repository="ghc" revision="aaa0cd20fdaf8e923e3a083befc2612154cba629" Don't eagerly blackhole single-entry thunks (#10414) In a parallel program they can actually be entered more than once, leading to deadlock. Reviewers: austin, simonmar Subscribers: michaelt, thomie, bgamari Differential Revision: https://phabricator.haskell.org/D1040 GHC Trac Issues: #10414 }}} -- Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10414#comment:29> GHC <http://www.haskell.org/ghc/> The Glasgow Haskell Compiler