#12581: Testsuite segfaults on OS X ---------------------------------+-------------------------------------- Reporter: bgamari | Owner: Type: bug | Status: new Priority: normal | Milestone: 8.2.1 Component: Compiler | Version: 8.1 Resolution: | Keywords: Operating System: MacOS X | Architecture: x86_64 (amd64) Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | ---------------------------------+-------------------------------------- Comment (by bgamari): While I was expecting the backtrace to place the problem in the RTS, it appears that this isn't the case, {{{ ghc-mini:rts bgamari$ sudo lldb ./derefnull (lldb) target create "./derefnull" Current executable set to './derefnull' (x86_64). (lldb) run Process 92160 launched: './derefnull' (x86_64) Process 92160 stopped * thread #1: tid = 0xa865a5, 0x000000010003f435 derefnull`c6ba_info + 21, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) frame #0: 0x000000010003f435 derefnull`c6ba_info + 21 derefnull`c6ba_info: -> 0x10003f435 <+21>: movq (%rax), %rax 0x10003f438 <+24>: leaq 0x30ad31(%rip), %rbx ; ghczmprim_GHCziTypes_Izh_con_info 0x10003f43f <+31>: movq %rbx, -0x8(%r12) 0x10003f444 <+36>: movq %rax, (%r12) (lldb) bt * thread #1: tid = 0xa865a5, 0x000000010003f435 derefnull`c6ba_info + 21, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) * frame #0: 0x000000010003f435 derefnull`c6ba_info + 21 frame #1: 0x00000001000683f8 derefnull`base_GHCziBase_bindIO1_info + 64 frame #2: 0x00000001003c25d1 derefnull`s1Y5_closure + 1 frame #3: 0x0000000100371cc0 derefnull`stg_catch_frame_info_dsp + 16 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12581#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler