[GHC] #15287: T11627[ab] fail on some Darwin environments
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Keywords: | Operating System: Unknown/Multiple Architecture: | Type of failure: None/Unknown Unknown/Multiple | Test Case: | Blocked By: Blocking: | Related Tickets: Differential Rev(s): | Wiki Page: -------------------------------------+------------------------------------- As of d6216443c61cee94d8ffc31ca8510a534d9406b9 I am seeing `T11627a` and `T11627b` fail in the `prof_hr` way on Darwin under CircleCI (but not Harbormaster!): {{{ Wrong exit code for T11627b(prof_hr)(expected 0 , actual 139 ) Stderr ( T11627b ): /bin/sh: line 1: 73247 Segmentation fault: 11 ./T11627b +RTS -hr -RTS +RTS -i0 -RTS *** unexpected failure for T11627b(prof_hr) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 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: | -------------------------------------+------------------------------------- Comment (by bgamari): {{{ $ lldb -- testsuite/tests/profiling/should_run/T11627a +RTS -hr (lldb) target create "testsuite/tests/profiling/should_run/T11627a" Current executable set to 'testsuite/tests/profiling/should_run/T11627a' (x86_64). (lldb) settings set -- target.run-args "+RTS" "-hr" (lldb) run Process 6687 launched: '/Users/distiller/project/testsuite/tests/profiling/should_run/T11627a' (x86_64) T11627a was compiled with optimization - stepping may behave oddly; variables may not be available. Process 6687 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xfffffffffffffff8) frame #0: 0x00000001000d538b T11627a`retainClosure(c0=<unavailable>, cp0=0x000000010012f550, r0=0x000000010012dab0) at RetainerProfile.c:1409 [opt] 1406 // if cp is not a retainer, r belongs to RSET(cp). 1407 // if cp is a retainer, r == cp. 1408 -> 1409 typeOfc = get_itbl(c)->type; 1410 1411 #if defined(DEBUG_RETAINER) 1412 switch (typeOfc) { Target 0: (T11627a) stopped. (lldb) print c (StgClosure *) $0 = 0x00007fff5fbff0b8 (lldb) x/x 0x00007fff5fbff0b8 0x7fff5fbff0b8: 0x00000000 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 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: | -------------------------------------+------------------------------------- Comment (by bgamari): A backtrace from another run (which inexplicably has no debug symbols in `RetainerProfile.c`): {{{ (lldb) bt * thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=1, address=0xfffffffffffffff8) * frame #0: 0x00000001000d538b T11627a`retainClosure + 123 frame #1: 0x00000001000dcdef T11627a`markStableTables at Stable.c:474 [opt] frame #2: 0x00000001000dcdaf T11627a`markStableTables(evac=(T11627a`retainRoot), user=0x0000000000000000) at Stable.c:492 [opt] frame #3: 0x00000001000d5155 T11627a`retainerProfile + 277 frame #4: 0x00000001000d016b T11627a`heapCensus(t=<unavailable>) at ProfHeap.c:1174 [opt] frame #5: 0x00000001000ea029 T11627a`GarbageCollect(collect_gen=<unavailable>, do_heap_census=<unavailable>, gc_type=<unavailable>, cap=0x0000000100142500, idle_cap=0x0000000000000001) at GC.c:771 [opt] frame #6: 0x00000001000dc360 T11627a`scheduleDoGC(pcap=<unavailable>, task=<unavailable>, force_major=<unavailable>) at Schedule.c:1799 [opt] frame #7: 0x00000001000dc08e T11627a`scheduleWaitThread [inlined] schedule(initialCapability=<unavailable>, task=<unavailable>) at Schedule.c:545 [opt] frame #8: 0x00000001000db7eb T11627a`scheduleWaitThread(tso=<unavailable>, ret=<unavailable>, pcap=0x00007fff5fbff2f8) at Schedule.c:2533 [opt] frame #9: 0x00000001000d98ab T11627a`hs_main(argc=1, argv=0x00007fff5fbff458, main_closure=<unavailable>, rts_config=RtsConfig @ 0x00007fff5fbff320) at RtsMain.c:72 [opt] frame #10: 0x0000000100001b16 T11627a`main + 166 frame #11: 0x00007fff8e844235 libdyld.dylib`start + 1 frame #12: 0x00007fff8e844235 libdyld.dylib`start + 1 }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 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: | -------------------------------------+------------------------------------- Comment (by bgamari): Another run, this this with `DEBUG_RETAINER` set: {{{ pop() to the previous stack. stackSize = 0 retainClosure() ends: oldStackTop = 0x200000, stackTop = 0x200000 retainClosure() called: c0 = 0x1345c0, cp0 = 0x1345c0, r0 = 0x13f7e0 push(): stackTop = 0x200000, currentStackBoundary = 0x200000 stackSize = 1 push(): stackTop = 0x1fffd8, currentStackBoundary = 0x200000 stackSize = 2 pop(): stackTop = 0x1fffb0, currentStackBoundary = 0x200000 popOff(): stackTop = 0x1fffb0, currentStackBoundary = 0x200000 stackSize = 1 popOff(): stackTop = 0x1fffd8, currentStackBoundary = 0x200000 pop() to the previous stack. stackSize = 0 retainClosure() ends: oldStackTop = 0x200000, stackTop = 0x200000 retainClosure() called: c0 = 0x133ee0, cp0 = 0x133ee0, r0 = 0x13f7e0 push(): stackTop = 0x200000, currentStackBoundary = 0x200000 stackSize = 1 push(): stackTop = 0x1fffd8, currentStackBoundary = 0x200000 stackSize = 2 pop(): stackTop = 0x1fffb0, currentStackBoundary = 0x200000 pop(): stackTop = 0x1fffb0, currentStackBoundary = 0x200000 popOff(): stackTop = 0x1fffb0, currentStackBoundary = 0x200000 stackSize = 1 popOff(): stackTop = 0x1fffd8, currentStackBoundary = 0x200000 pop() to the previous stack. stackSize = 0 retainClosure() ends: oldStackTop = 0x200000, stackTop = 0x200000 retainClosure() called: c0 = 0x134a80, cp0 = 0x134a80, r0 = 0x13f7e0 pop(): stackTop = 0x200000, currentStackBoundary = 0x200000 retainClosure() ends: oldStackTop = 0x200000, stackTop = 0x200000 retainClosure() called: c0 = 0x12f550, cp0 = 0x12f550, r0 = 0x12dab0 push(): stackTop = 0x200000, currentStackBoundary = 0x200000 T11627a was compiled with optimization - stepping may behave oddly; variables may not be available. Process 36053 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.3 frame #0: 0x00000001000d5cff T11627a`retainClosure [inlined] isRetainer(c=<unavailable>) at RetainerProfile.c:1057 [opt] 1054 case IND: 1055 case INVALID_OBJECT: 1056 default: -> 1057 barf("Invalid object in isRetainer(): %p, type=%d", c, get_itbl(c)->type); 1058 return false; 1059 } 1060 } Target 0: (T11627a) stopped. (lldb) bt * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.3 * frame #0: 0x00000001000d5cff T11627a`retainClosure [inlined] isRetainer(c=<unavailable>) at RetainerProfile.c:1057 [opt] frame #1: 0x00000001000d5cff T11627a`retainClosure(c0=<unavailable>, cp0=0x000000010012f550, r0=0x000000010012dab0) at RetainerProfile.c:1517 [opt] frame #2: 0x00000042001fcec8 (lldb) }}} Given that the backtrace is truncated it looks rather like someone has smashed the C callstack. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #14758 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by bgamari): * related: => #14758 Comment: I rather suspect that this is another manifestation of #14758. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments
-------------------------------------+-------------------------------------
Reporter: bgamari | Owner: (none)
Type: bug | Status: new
Priority: high | Milestone: 8.6.1
Component: Compiler | Version: 8.4.3
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
| Unknown/Multiple
Type of failure: None/Unknown | Test Case:
Blocked By: | Blocking:
Related Tickets: #14758 | Differential Rev(s):
Wiki Page: |
-------------------------------------+-------------------------------------
Comment (by Ben Gamari
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #14758 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by lelf): * cc: lelf (added) -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:6 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
#15287: T11627[ab] fail on some Darwin environments -------------------------------------+------------------------------------- Reporter: bgamari | Owner: (none) Type: bug | Status: new Priority: high | Milestone: 8.6.1 Component: Compiler | Version: 8.4.3 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #14758 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by osa1): * cc: osa1 (added) Comment: I'm confused about comment:3. On Linux, with gdb, when I get a segfault because of stack overflow and run `bt` I get thousands of stack frames, not just 3. Why do we get only 3 frames if this is a stack overflow? Is this because of calling conventions on darwin? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/15287#comment:7 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler
participants (1)
-
GHC