[GHC] #5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8

[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------
 On OS X 10.8 (Mountain Lion, the first developer seed), GHC's RTS crashes
 with strange closure type 603975781, for almost any program compiled with
 GHC.

 As examples, cpphs and cabal's Setup crash, but a simple `main = putStrLn
 "hello world"' does not.

 `runhaskell ...' works. It seems this only manifests in compiled programs.

 An example of the output can be found here:
 https://gist.github.com/1918845

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------

Comment(by dylukes):

 Note: OS X Build Number is 12A128p.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:1>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------

Comment(by dylukes):

 The smallest program I've found that triggers this bug (?) is the
 following. Note, it does not cause a `strange closure' internal error, it
 just segfaults. However it might be related. This should be a much easier
 example to work with.


 {{{
 main = print $ reverse [1,2,3]
 }}}


 However, the following is also simple enough to trigger a segmentation
 fault...


 {{{
 main = print $ reverse' [1,2,3]
   where reverse' = undefined :: [a] -> [a]
 }}}

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:2>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------

Comment(by dylukes):

 Replying to [comment:1 dylukes]:
 > Note: OS X Build Number is 12A128p.

 More information:

 $ ld -v
 @(#)PROGRAM:ld  PROJECT:ld64-131.3
 configured to support archs: armv6 armv7 i386 x86_64

 $ cc -v
 Apple clang version 4.0 (tags/Apple/clang-418.0.46) (based on LLVM 3.1svn)
 Target: x86_64-apple-darwin12.0.0
 Thread model: posix

 $ ghc -v
 Glasgow Haskell Compiler, Version 7.4.1, stage 2 booted by GHC version
 7.0.4

 This GHC was installed from
 http://www.haskell.org/ghc/dist/7.4.1/ghc-7.4.1-x86_64-apple-
 darwin.tar.bz2.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:3>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------
Changes (by chak):

 * cc: chak@…, benl@… (added)


--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:4>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------
Changes (by PHO):

 * cc: pho@… (added)


--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:5>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------
Changes (by lelf):

 * cc: anton.nik@… (added)


--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:6>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
---------------------------+------------------------------------------------
 Reporter:  dylukes        |          Owner:                                            
     Type:  bug            |         Status:  new                                      
 Priority:  normal         |      Component:  Runtime System                            
  Version:  7.4.1          |       Keywords:  rts, strange closure, internal error, os x
       Os:  MacOS X        |   Architecture:  x86_64 (amd64)                            
  Failure:  Runtime crash  |       Testcase:                                            
Blockedby:                 |       Blocking:                                            
  Related:                 |  
---------------------------+------------------------------------------------

Comment(by dylukes):

 I initially thought this might only affect 64bit programs compiled by
 64bit GHC... but it seems in (rarer) cases it may affect 32bit programs...
 Though, that may be another issue entirely.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:7>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  highest                                     |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------
Changes (by simonmar):

  * priority:  normal => highest
  * difficulty:  => Unknown
  * milestone:  => 7.4.2


--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:8>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  highest                                     |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dylukes):

 Replying to [comment:7 dylukes]:
 > I initially thought this might only affect 64bit programs compiled by
 64bit GHC... but it seems in (rarer) cases it may affect 32bit programs...
 Though, that may be another issue entirely.

 Turns out it does only affect 64bit programs. This case was where I was
 building a 64bit executable with 32bit GHC during the bootstrapping
 process of building GHC. It's just 64bit.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:9>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  highest                                     |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dylukes):

 Replying to [comment:9 dylukes]:
 > Replying to [comment:7 dylukes]:
 > > I initially thought this might only affect 64bit programs compiled by
 64bit GHC... but it seems in (rarer) cases it may affect 32bit programs...
 Though, that may be another issue entirely.
 >
 > Turns out it does only affect 64bit programs. This case was where I was
 building a 64bit executable with 32bit GHC during the bootstrapping
 process of building GHC. It's just 64bit.

 ...Actually it turns out it was building a 32bit ghc-cabal:

 ghc-cabal: internal error: evacuate(static): strange closure type 16

 So... something is broken in 32bit as well.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:10>
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[GHC]

#5899: GHC RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  highest                                     |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------
Changes (by jhenahan):

 * cc: jhenahan@… (added)


Comment:

 Just posting to say that I'm also poking around for more data. Will post
 if I find anything new. Same OS, etc.

 As for type 16, I read a thread (I think on this trac, though it may have
 been the mailing list) that mentioned strange closure type 11 being
 related to signal 11 (i.e., segfault). Perhaps type 16 is related to
 signal 16, SIGURG. From `man signal`:

 16    SIGURG       discard signal       urgent condition present on socket

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:11>
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[GHC]

#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  highest                                     |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dylukes):

 More information and some clarifications:

 - I can confirm updating to 10.8 DP2, or Xcode 4.4 DP2 do not fix it.
 Individually or together.
 - This manifests in the x86_64 AND i386 architectures.
 - There is an existing issue with binaries compiled on 10.8 not running on
 10.7 or previous. This has been reported to Apple, and is mirrored here:
 http://openradar.appspot.com/11022559

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:12>
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[GHC]

#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------
Changes (by simonmar):

  * priority:  highest => high


Comment:

 Current status on this: we're not treating it as a blocking issue for
 7.4.2, as 10.8 is not released yet and we expect to have time for another
 GHC release before it is.

 We are currently blocked on a diagnosis.  That means either someone
 diagnosing it for us, or either Ian or me installing 10.8 on our
 respective Macs.  Can this be done non-destructively?

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:13>
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#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dylukes):

 10.8 cannot be installed non-destructively over an existing 10.7, but...
 you could install 10.8 to a new partition (temporarily).

 I would volunteer to do diagnosis, but I am utterly ignorant of how to do
 so.

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:14>
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#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dr.gigabit):

 I have the same symptom while trying to "cabal install syb"

 {{{
 Resolving dependencies...
 [1 of 1] Compiling Main             (
 /var/folders/gh/3w2hyrhs649b13txtmn7j5wc0000gn/T/syb-0.3.6-18301/syb-0.3.6/Setup.hs,
 /var/folders/gh/3w2hyrhs649b13txtmn7j5wc0000gn/T/syb-0.3.6-18301/syb-0.3.6/dist/setup/Main.o
 )

 /var/folders/gh/3w2hyrhs649b13txtmn7j5wc0000gn/T/syb-0.3.6-18301/syb-0.3.6/Setup.hs:4:30:
     Warning: In the use of `runTests'
              (imported from Distribution.Simple, but defined in
 Distribution.Simple.UserHooks):
              Deprecated: "Please use the new testing interface instead!"
 Linking
 /var/folders/gh/3w2hyrhs649b13txtmn7j5wc0000gn/T/syb-0.3.6-18301/syb-0.3.6/dist/setup/setup
 ...
 setup: internal error: evacuate(static): strange closure type 603975781
     (GHC version 7.4.1 for x86_64_apple_darwin)
     Please report this as a GHC bug:
 http://www.haskell.org/ghc/reportabug
 cabal: Error: some packages failed to install:
 syb-0.3.6 failed during the configure step. The exception was:
 ExitFailure 6
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:15>
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#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------
Changes (by Irene):

 * cc: ireney.knapp@… (added)


Comment:

 I tried the sample program above:

 {{{
 main = print $ reverse [1,2,3]
 }}}

 GHC 7.4.1 (from the .pkg version of the prebuilt binaries, but it's
 probably identical to the tarball version?) compiled successfully but the
 output crashed; here is the OS X crash report:

 {{{
 Process:         Main [37094]
 Path:            /Users/USER/*/Main
 Identifier:      Main
 Version:         0
 Code Type:       X86-64 (Native)
 Parent Process:  bash [29186]
 User ID:         501

 Date/Time:       2012-03-22 20:24:06.768 -0400
 OS Version:      Mac OS X 10.8 (12A154q)
 Report Version:  10

 Interval Since Last Report:          166904 sec
 Crashes Since Last Report:           12
 Per-App Crashes Since Last Report:   1
 Anonymous UUID:                      15C338D1-9CE8-40B1-8287-60D878AF6A68

 Crashed Thread:  0  Dispatch queue: com.apple.main-thread

 Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
 Exception Codes: KERN_INVALID_ADDRESS at 0x000000022bbe8a30

 VM Regions Near 0x22bbe8a30:
     VM_ALLOCATE            000000010bd00000-000000010be00000 [ 1024K]
 rw-/rwx SM=PRV
 -->
     MALLOC_TINY            00007fc3d8400000-00007fc3d8411000 [   68K]
 rw-/rwx SM=COW

 Application Specific Information:
 objc[37094]: garbage collection is OFF

 Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
 0   Main                                0x000000010bbf0617 stg_ap_pp_fast
 + 31

 Thread 0 crashed with X86 Thread State (64-bit):
   rax: 0x0000000023fff065  rbx: 0x000000010bc0ad58  rcx:
 0x000000010bbf0708  rdx: 0x000000010bd041d8
   rdi: 0x000000010bc21e98  rsi: 0x000000010bc087c0  rbp:
 0x000000010bd05358  rsp: 0x00007fff540c8ab8
    r8: 0x0000000000000001   r9: 0x0000000000000017  r10:
 0x0000000000000001  r11: 0x0000000000000246
   r12: 0x000000010bd041e0  r13: 0x000000010bc21e98  r14:
 0x000000010bc087e0  r15: 0x000000010bd050c0
   rip: 0x000000010bbf0617  rfl: 0x0000000000010202  cr2:
 0x000000022bbe8a30
 Logical CPU: 6

 Binary Images:
        0x10bb33000 -        0x10bc07fef +Main (0)
 <F8E9D66A-B502-3555-B942-53E07F336457> /Users/USER/*/Main
     0x7fff6b733000 -     0x7fff6b7678e7  dyld (209.1) <7F330FEF-C9C5-38D8
 -9C3D-FBDCC0C28BDA> /usr/lib/dyld
     0x7fff868d6000 -     0x7fff869ed827  libobjc.A.dylib (526)
 <C3BAF7E1-9924-3714-9001-C1A97AF7448E> /usr/lib/libobjc.A.dylib
     0x7fff869fa000 -     0x7fff86a46ff7  libauto.dylib (185)
 <EC749301-51DA-3413-97DF-5481A75F974C> /usr/lib/libauto.dylib
     0x7fff86b6b000 -     0x7fff86b70fff  libcompiler_rt.dylib (30)
 <C865130E-E5D7-33E3-8131-2591703C67EB>
 /usr/lib/system/libcompiler_rt.dylib
     0x7fff8717a000 -     0x7fff871e2ff7  libc++.1.dylib (61) <5C289258
 -570C-3D3E-ACAB-88CB1C01804B> /usr/lib/libc++.1.dylib
     0x7fff87b24000 -     0x7fff87b27ff7  libdyld.dylib (209.1)
 <94E58E38-AC20-36DB-A84E-DAFA8D4E41E2> /usr/lib/system/libdyld.dylib
     0x7fff890e7000 -     0x7fff890e8fff  libremovefile.dylib (23)
 <D5F8B6CB-1EE1-3A71-858A-F98362786CD9> /usr/lib/system/libremovefile.dylib
     0x7fff89148000 -     0x7fff8914afff  libquarantine.dylib (48)
 <CC311F4D-83E1-3A88-9328-9FB095DACF32> /usr/lib/system/libquarantine.dylib
     0x7fff898b8000 -     0x7fff898b9fff  libsystem_blocks.dylib (57.2)
 <7014BC27-D424-3E9B-9535-3CAA6C956337>
 /usr/lib/system/libsystem_blocks.dylib
     0x7fff89934000 -     0x7fff8994fff7  libsystem_kernel.dylib
 (2050.2.33) <D93B6B58-F16D-377C-BE81-C4A87BDDF359>
 /usr/lib/system/libsystem_kernel.dylib
     0x7fff89950000 -     0x7fff89951ff7  libsystem_sandbox.dylib (206)
 <A1AB71A9-6E45-3C2A-A890-046185233396>
 /usr/lib/system/libsystem_sandbox.dylib
     0x7fff8a3e6000 -     0x7fff8a3e7ff7  libSystem.B.dylib (169.1)
 <A1FA6BD6-4F77-38E5-891E-9EB347229419> /usr/lib/libSystem.B.dylib
     0x7fff8a52a000 -     0x7fff8a558ff7  libsystem_m.dylib (3022.4)
 <C2BB2EF1-B11D-37DE-AF67-50720171F3A0> /usr/lib/system/libsystem_m.dylib
     0x7fff8a559000 -     0x7fff8a5c0fff  libcommonCrypto.dylib (60007)
 <A95DE414-20D1-3B00-9993-E6B731028556>
 /usr/lib/system/libcommonCrypto.dylib
     0x7fff8c958000 -     0x7fff8c95dfff  libcache.dylib (53) <C94D138A-
 1C5A-3855-ADCC-CAE07A94266C> /usr/lib/system/libcache.dylib
     0x7fff8e589000 -     0x7fff8e656fef  libsystem_c.dylib (825.12.1)
 <626CC4B4-4865-3179-B743-93CEDF4A8802> /usr/lib/system/libsystem_c.dylib
     0x7fff8ec1c000 -     0x7fff8ec23fff  libcopyfile.dylib (89)
 <8E286594-B745-32B5-89FE-0529963AA219> /usr/lib/system/libcopyfile.dylib
     0x7fff8ec4c000 -     0x7fff8ec70ff7  libc++abi.dylib (23) <5E3B1C2D-
 9BD1-391A-884C-1F3A69D2351E> /usr/lib/libc++abi.dylib
     0x7fff8ef3d000 -     0x7fff8ef48fff  libsystem_notify.dylib (98.4)
 <375881A9-6561-31E8-8AAF-0F108C9E52BC>
 /usr/lib/system/libsystem_notify.dylib
     0x7fff8f20c000 -     0x7fff8f20cfff  libkeymgr.dylib (25) <ACF42B1C-
 042B-3F24-9754-545E33EB04D7> /usr/lib/system/libkeymgr.dylib
     0x7fff8f2a1000 -     0x7fff8f2a9ff7  libsystem_dnssd.dylib (379.4)
 <C08FFB68-677D-36DB-A40C-737900E7A76A>
 /usr/lib/system/libsystem_dnssd.dylib
     0x7fff9072b000 -     0x7fff9072cff7  libdnsinfo.dylib (453.12)
 <C61AA787-2517-395E-B7FC-657CEAF80455> /usr/lib/system/libdnsinfo.dylib
     0x7fff90c9b000 -     0x7fff90cbcff7  libxpc.dylib (140.21.1)
 <BDE6735A-54A8-382E-9E46-38132F7D24F4> /usr/lib/system/libxpc.dylib
     0x7fff911a9000 -     0x7fff911b1ff7  liblaunch.dylib (442.7)
 <445D837C-39DB-30B0-8A54-C7F71CC651A2> /usr/lib/system/liblaunch.dylib
     0x7fff91290000 -     0x7fff91292ff7  libunc.dylib (24)
 <645FE7EF-A412-30B3-A570-08DC4A7D34B3> /usr/lib/system/libunc.dylib
     0x7fff912c1000 -     0x7fff912f7ff7  libsystem_info.dylib (406.11)
 <13705DE7-0A3C-33E0-994C-361A36E8596B>
 /usr/lib/system/libsystem_info.dylib
     0x7fff9162c000 -     0x7fff91632fff  libmacho.dylib (823) <4C09D65D-
 BB52-32D4-912C-8B298BA3F65F> /usr/lib/system/libmacho.dylib
     0x7fff92181000 -     0x7fff92196ff7  libdispatch.dylib (228.14)
 <B8EB96A3-6F01-3052-8A88-2010BF33A0E2> /usr/lib/system/libdispatch.dylib
     0x7fff92356000 -     0x7fff92364ff7  libsystem_network.dylib (77.6)
 <DF53A34A-ED8B-30D8-9CDF-025359B047E0>
 /usr/lib/system/libsystem_network.dylib
     0x7fff92365000 -     0x7fff9236bff7  libunwind.dylib (35.1)
 <32CAA2F5-4A69-3DD6-A789-D92D526B5D48> /usr/lib/system/libunwind.dylib
     0x7fff9266f000 -     0x7fff92764fff  libiconv.2.dylib (34)
 <4E5A84D7-2EF1-351A-BC64-95B15597EA88> /usr/lib/libiconv.2.dylib

 External Modification Summary:
   Calls made by other processes targeting this process:
     task_for_pid: 0
     thread_create: 0
     thread_set_state: 0
   Calls made by this process:
     task_for_pid: 0
     thread_create: 0
     thread_set_state: 0
   Calls made by all processes on this machine:
     task_for_pid: 9468
     thread_create: 0
     thread_set_state: 12

 VM Region Summary:
 ReadOnly portion of Libraries: Total=58.6M resident=127.7M(218%)
 swapped_out_or_unallocated=16777216.0T(30040018386944%)
 Writable regions: Total=18.6M written=396K(2%) resident=480K(3%)
 swapped_out=0K(0%) unallocated=18.1M(97%)

 REGION TYPE                      VIRTUAL
 ===========                      =======
 MALLOC                             9396K
 MALLOC guard page                    16K
 STACK GUARD                        56.0M
 Stack                              8192K
 VM_ALLOCATE                        1024K
 __DATA                              800K
 __LINKEDIT                         52.3M
 __TEXT                             6448K
 shared memory                        12K
 ===========                      =======
 TOTAL                             133.5M

 Model: iMac12,2, BootROM IM121.0047.B1F, 4 processors, Intel Core i7, 3.4
 GHz, 4 GB, SMC 1.72f5
 Graphics: AMD Radeon HD 6970M, AMD Radeon HD 6970M, PCIe, 1024 MB
 Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE,
 0x45424A3230554638424353302D444A2D4620
 Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1333 MHz, 0x02FE,
 0x45424A3230554638424353302D444A2D4620
 AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x9A),
 Atheros 9380: 4.0.64.8-P2P
 Bluetooth: Version 4.0.7b30 exported, 2 service, 18 devices, 0 incoming
 serial ports
 Network Service: Wi-Fi, AirPort, en1
 Serial ATA Device: ST31000528AS, 1 TB
 Serial ATA Device: HL-DT-STDVDRW  GA32N
 USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
 USB Device: Tripp Lite UPS, 0x09ae  (Tripp Lite), 0x2011, 0xfd130000 / 6
 USB Device: Video Capture, 0x0fd9, 0x0037, 0xfd140000 / 5
 USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403,
 0xfd110000 / 4
 USB Device: IR Receiver, apple_vendor_id, 0x8242, 0xfd120000 / 3
 USB Device: FaceTime HD Camera (Built-in), apple_vendor_id, 0x850b,
 0xfa200000 / 3
 USB Device: hub_device, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
 USB Device: BRCM2046 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
 USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8215,
 0xfa111000 / 7
 FireWire Device: My Book 111D, WD, 800mbit_speed

 }}}

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:16>
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The Glasgow Haskell Compiler

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[GHC]

#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by simonmar):

 I managed to reproduce the problem.  I know what's going on, but I don't
 know how to fix it yet.  So the problem is that in the binary, the linker
 has re-ordered some of the contents so that one particular info table is
 not next to its code any more:

 {{{
 000000010002cb88 t
 _base_GHCziIOziHandleziInternals_augmentIOError_info_dsp
 000000010002cba0 T _base_GHCziIOziHandleziInternals_augmentIOError_info
 000000010002cbe8 t _base_GHCziEventziInternal_evtNothing_info_dsp
 000000010002cbf8 T _base_GHCziEventziInternal_evtNothing_info
 000000010002cc88 t _base_GHCziBase_zd_info_dsp
 000000010002cca0 t _base_GHCziIOziHandleziInternals_zdLr3Qxlvl8_info_dsp
 000000010002ccb0 T _base_GHCziIOziHandleziInternals_zdLr3Qxlvl8_info
 000000010002cd38 T _base_GHCziBase_zd_info
 }}}

 Note the symbol `_base_GHCziBase_zd_info_dsp` should be adjacent to
 `_base_GHCziBase_zd_info`, but the linker has placed some other stuff in
 between.  These _dsp symbols are already special OS X magic that we insert
 to prevent the linker dropping things on the floor (IIRC, and this is
 horrible because it means the libraries on OS X have twice as many symbols
 as other platforms).

 These symbols are adjacent in the original object file:

 {{{
 libHSbase-4.5.0.0.a(Base__45.o):
 0000000000000028 D _base_GHCziBase_zd_closure
 0000000000000018 T _base_GHCziBase_zd_info
 0000000000000000 t _base_GHCziBase_zd_info_dsp
                  U _stg_ap_p_fast
 }}}

 it seems like there ought to be a way to disable this behaviour with a
 linker flag, but I can't find one that works.  I've tried
 `-no_order_inits` and `-no_order_data`.

 Help from OS X experts greatly appreciated...

--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:17>
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[GHC]

#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by dylukes):

 When I went to the LLVM folks to talk about this, they referred me to a
 recent mailing list discussion last week. As long as there's support for
 moving forward with proper TNTC support in LLVM, this should get solved as
 a byproduct.

 http://lists.cs.uiuc.edu/pipermail/llvmdev/2012-March/048195.html

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:18>
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[GHC]

#5899: RTS crash w/ strange closure type 603975781 on OS X 10.8
-----------------------------------------------------------+----------------
    Reporter:  dylukes                                     |       Owner:              
        Type:  bug                                         |      Status:  new          
    Priority:  high                                        |   Milestone:  7.4.2        
   Component:  Runtime System                              |     Version:  7.4.1        
    Keywords:  rts, strange closure, internal error, os x  |          Os:  MacOS X      
Architecture:  x86_64 (amd64)                              |     Failure:  Runtime crash
  Difficulty:  Unknown                                     |    Testcase:              
   Blockedby:                                              |    Blocking:              
     Related:                                              |  
-----------------------------------------------------------+----------------

Comment(by Irene):

 I did more digging - I wanted to verify that this was the only issue
 breaking us on Mountain Lion, and possibly also find a short-term kludge
 so that those of us who are using it can continue to develop our Haskell
 projects while we wait for the release. :)  It's important that we know
 whether there are any other issues hidden by this one, to avoid a
 situation where this one gets fixed just in time but then something else
 breaks us and we aren't able to release.

 I used the test program

 {{{
 main = print $ f 1 where f = (+1)
 }}}

 and passed the linker an option that forces it to keep the symbols in the
 same order (which the LLVM people have no interest in supporting as a
 long-term solution, since it makes various stuff impossible):

 {{{
 $ nm -n Main.o | grep -v '^ \+U ' | sed -e 's/^[0-9a-f]* [a-zA-Z] //' >
 order.txt
 $ ld Main.o rtsopts.o
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/base-4.3.1.0/libHSbase-4.3.1.0.a
 /usr/lib/libiconv.dylib
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4
 /integer-gmp-0.2.0.3/libHSinteger-gmp-0.2.0.3.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4
 /ghc-prim-0.2.0.0/libHSghc-prim-0.2.0.0.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/directory-1.1.0.0/libHSdirectory-1.1.0.0.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/filepath-1.2.0.0/libHSfilepath-1.2.0.0.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/unix-2.4.2.0/libHSunix-2.4.2.0.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4
 /old-time-1.0.0.6/libHSold-time-1.0.0.6.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4
 /old-locale-1.0.0.2/libHSold-locale-1.0.0.2.a /usr/lib/libSystem.dylib
 /usr/lib/crt1.10.6.o
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/libHSffi.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/libHSrts_debug.a
 /Library/Frameworks/GHC.framework/Versions/7.0.4-x86_64/usr/lib/ghc-7.0.4/libHSrtsmain.a
 }}}

 You'll note that I'm using GHC 7.0.4 for this test.  That's because I
 couldn't find where _main was defined under 7.4.1 and thus couldn't do the
 manual linking step.  (I presume it's generated dynamically...)  This has
 no ramifications for the eventual fix, since of course GHC devs know how
 to modify GHC to be certain it really is issuing the desired ld command -
 but I don't.  So I had to do it this way.

 Anyway, attached, please find three long dumps of information.  They are
 the complete symbol table of the a.out produced by the above command; the
 complete output of the test program with all the RTS debugging flags
 turned on; and the crash report produced by the OS.  It looks like we
 still have a problem, even with the symbol order fixed - or did I mess
 something up?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5899#comment:19>
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