#15608: Segfault in retainer profiling -------------------------------------+------------------------------------- Reporter: osa1 | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: 8.6.1 Component: Profiling | Version: 8.5 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Description changed by osa1: Old description:
To reproduce, build ghc using "prof" flavor, then
{{{ $ ghc-stage2 --interactive +RTS -hr GHCi, version 8.7.20180905: http://www.haskell.org/ghc/ :? for help Loaded GHCi configuration from /home/omer/rcbackup/.ghci λ:1> sequence_ (replicate 100000000 (return ())) zsh: segmentation fault (core dumped) ghc-stage2 --interactive +RTS -hr }}}
New description: To reproduce, build ghc using "prof" flavor, then {{{ $ ghc-stage2 --interactive +RTS -hr GHCi, version 8.7.20180905: http://www.haskell.org/ghc/ :? for help Loaded GHCi configuration from /home/omer/rcbackup/.ghci λ:1> sequence_ (replicate 100000000 (return ())) zsh: segmentation fault (core dumped) ghc-stage2 --interactive +RTS -hr }}} If I use debug runtime in stage2 compiler I can't even run the repl: {{{ haskell $ ghc-stage2 --interactive +RTS -hr rr: Saving execution to trace directory `/home/omer/.local/share/rr/ghc- stage2-13'. GHCi, version 8.7.20180906: http://www.haskell.org/ghc/ :? for help zsh: segmentation fault ghc-stage2 --interactive +RTS -hr }}} -- -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15608#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler