Revision 323164306366 () - Diff

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dave@akai ~ % lldb process attach -n beam.smp                                                                                              
Warning: program arguments are ignored when attaching.
Attaching to process with:
    process attach -n "beam.smp"
Process 94307 stopped
Executable module set to "/usr/local/Cellar/erlang/R15B01/lib/erlang/erts-5.9.1/bin/beam.smp".
Architecture set to: x86_64.
(lldb) c
Process 94307 resuming
Process 94307 stopped
* thread #6: tid = 0x2503, 0x00007fff89f8c1ec libsystem_c.dylib`flockfile + 15, stop reason = EXC_BAD_ACCESS (code=1, address=0x68)
    frame #0: 0x00007fff89f8c1ec libsystem_c.dylib`flockfile + 15
libsystem_c.dylib`flockfile + 15:
-> 0x7fff89f8c1ec:  movq   104(%rbx), %rdi
   0x7fff89f8c1f0:  cmpq   %rax, 72(%rdi)
   0x7fff89f8c1f4:  jne    0x00007fff89f8c1fe       ; flockfile + 33
   0x7fff89f8c1f6:  incl   80(%rdi)
(lldb) thread list
Process 94307 stopped
  thread #1: tid = 0x1f03, 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
  thread #2: tid = 0x2103, 0x00007fff921ecaf2 libsystem_kernel.dylib`read + 10
  thread #3: tid = 0x2203, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #4: tid = 0x2303, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #5: tid = 0x2403, 0x00000000167bacf3 beam.smp`sched_spin_wait + 37
* thread #6: tid = 0x2503, 0x00007fff89f8c1ec libsystem_c.dylib`flockfile + 15, stop reason = EXC_BAD_ACCESS (code=1, address=0x68)
  thread #7: tid = 0x2603, 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
  thread #8: tid = 0x2703, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #9: tid = 0x2803, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #10: tid = 0x2903, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #11: tid = 0x2a03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #12: tid = 0x2b03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
  thread #13: tid = 0x2c03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
(lldb) thread backtrace all
  thread #1: tid = 0x1f03, 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
    frame #0: 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
    frame #1: 0x0000000016841537 beam.smp`erts_sys_main_thread + 205
    frame #2: 0x000000001677036f beam.smp`erl_start + 4044
    frame #3: 0x000000001675a3d5 beam.smp`main + 9
    frame #4: 0x000000001675a3c4 beam.smp`start + 52

  thread #2: tid = 0x2103, 0x00007fff921ecaf2 libsystem_kernel.dylib`read + 10
    frame #0: 0x00007fff921ecaf2 libsystem_kernel.dylib`read + 10
    frame #1: 0x0000000016841a33 beam.smp`signal_dispatcher_thread_func + 45
    frame #2: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #3: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #4: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #3: tid = 0x2203, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x000000001688e5bd beam.smp`ethr_cond_wait + 9
    frame #3: 0x000000001678e3af beam.smp`sys_msg_dispatcher_func + 327
    frame #4: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #5: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #6: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #4: tid = 0x2303, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x000000001688e5bd beam.smp`ethr_cond_wait + 9
    frame #3: 0x0000000016842234 beam.smp`child_waiter + 650
    frame #4: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #5: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #6: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #5: tid = 0x2403, 0x00000000167bacf3 beam.smp`sched_spin_wait + 37
    frame #0: 0x00000000167bacf3 beam.smp`sched_spin_wait + 37
    frame #1: 0x00000000167b3e21 beam.smp`schedule + 6745
    frame #2: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #3: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #4: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #5: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #6: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

* thread #6: tid = 0x2503, 0x00007fff89f8c1ec libsystem_c.dylib`flockfile + 15, stop reason = EXC_BAD_ACCESS (code=1, address=0x68)
    frame #0: 0x00007fff89f8c1ec libsystem_c.dylib`flockfile + 15
    frame #1: 0x00007fff89f2c938 libsystem_c.dylib`putc + 32
    frame #2: 0x000000001687645c beam.smp`write_buf + 273
    frame #3: 0x0000000016876a91 beam.smp`insert_buf + 481
    frame #4: 0x000000001687608a beam.smp`put_chars + 9
    frame #5: 0x00000000168756ba beam.smp`ttysl_from_erlang + 110
    frame #6: 0x00000000167a1350 beam.smp`erts_write_to_port + 3056
    frame #7: 0x00000000167a273e beam.smp`erts_port_command + 256
    frame #8: 0x0000000016799db7 beam.smp`do_send + 1319
    frame #9: 0x00000000167995cf beam.smp`erl_send + 38
    frame #10: 0x00000000168248ec beam.smp`process_main + 18935
    frame #11: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #12: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #13: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #14: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #7: tid = 0x2603, 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
    frame #0: 0x00007fff921ebdf2 libsystem_kernel.dylib`select$DARWIN_EXTSN + 10
    frame #1: 0x0000000016848988 beam.smp`erts_poll_wait_nkp + 355
    frame #2: 0x000000001684a762 beam.smp`erts_check_io_nkp + 151
    frame #3: 0x00000000167b4304 beam.smp`schedule + 7996
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #8: tid = 0x2703, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167b3e4d beam.smp`schedule + 6789
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #9: tid = 0x2803, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167b3e4d beam.smp`schedule + 6789
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #10: tid = 0x2903, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167b3e4d beam.smp`schedule + 6789
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #11: tid = 0x2a03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167b3e4d beam.smp`schedule + 6789
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #12: tid = 0x2b03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167b3e4d beam.smp`schedule + 6789
    frame #4: 0x00000000168203e6 beam.smp`process_main + 1265
    frame #5: 0x00000000167afbfc beam.smp`sched_thread_func + 506
    frame #6: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #7: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #8: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13

  thread #13: tid = 0x2c03, 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #0: 0x00007fff921ebbca libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff89f48274 libsystem_c.dylib`_pthread_cond_wait + 840
    frame #2: 0x00000000168904ce beam.smp`wait__ + 195
    frame #3: 0x00000000167afdab beam.smp`aux_thread + 343
    frame #4: 0x0000000016890203 beam.smp`thr_wrapper + 111
    frame #5: 0x00007fff89f448bf libsystem_c.dylib`_pthread_start + 335
    frame #6: 0x00007fff89f47b75 libsystem_c.dylib`thread_start + 13
(lldb) frame variable
(lldb)