gistfile1.txt

(lldb) log enable lldb unwind
(lldb) b main.foo
Breakpoint 1: where = test`main.foo + 26 at test.go:14, address = 0x000000000000209a
(lldb) run
th1/fr0 using architectural default unwind method
th1/fr0 0x00007fff5fc01028: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th1/fr0 cfa_regval = 0x0000000000000010 (cfa_regval = 0x0000000000000000, cfa_offset = 16)
th1/fr0 initialized frame current pc is 0x7fff5fc01028 cfa is 0x10 using x86_64 default unwind plan UnwindPlan
th1/fr0 using architectural default unwind method
th1/fr0 0x00007fff5fc01028: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th1/fr0 cfa_regval = 0x0000000000000010 (cfa_regval = 0x0000000000000000, cfa_offset = 16)
th1/fr0 initialized frame current pc is 0x7fff5fc01028 cfa is 0x10 using x86_64 default unwind plan UnwindPlan
(x86_64) /usr/lib/dyld: Reading EH frame info
th1/fr0 0x00007fff5fc01028: CFA=rsp +8 => rsp=rsp+8 rip=[rsp]

th1/fr0 cfa_regval = 0x00007fff5fbffa10 (cfa_regval = 0x00007fff5fbffa08, cfa_offset = 8)
th1/fr0 initialized frame current pc is 0x7fff5fc01028 cfa is 0x7fff5fbffa10 using assembly insn profiling UnwindPlan
Process 69306 launched: '/tmp/test' (x86_64)
th1/fr0 0x00007fff5fc0c768: CFA=rsp +8 => rip=[rsp]

th1/fr0 cfa_regval = 0x00007fff5fbfeee0 (cfa_regval = 0x00007fff5fbfeed8, cfa_offset = 8)
th1/fr0 initialized frame current pc is 0x7fff5fc0c768 cfa is 0x7fff5fbfeee0 using eh_frame CFI plus augmentation from assembly parsing UnwindPlan
th1/fr0 0x00007fff5fc0c769: CFA=rsp+16 => rbp=[rsp] rip=[rsp+8]

th1/fr0 cfa_regval = 0x00007fff5fbfeee0 (cfa_regval = 0x00007fff5fbfeed0, cfa_offset = 16)
th1/fr0 initialized frame current pc is 0x7fff5fc0c769 cfa is 0x7fff5fbfeee0 using eh_frame CFI plus augmentation from assembly parsing UnwindPlan
th3/fr0 0x000000000000209a: CFA=rsp+24 => rsp=rsp+24 rip=[rsp+16]

th3/fr0 cfa_regval = 0x00000002080bff58 (cfa_regval = 0x00000002080bff40, cfa_offset = 24)
th3/fr0 initialized frame current pc is 0x209a cfa is 0x2080bff58 using assembly insn profiling UnwindPlan
Process 69306 stopped
* thread #3: tid = 0x0001, 0x000000000000209a test`main.foo(x=1) + 26 at test.go:14, stop reason = breakpoint 1.1
    frame #0: 0x000000000000209a test`main.foo(x=1) + 26 at test.go:14
   11  	}
   12
   13  	func foo(x int) {
-> 14  		println("foo", x)
   15  	}
   16
   17  	func bar(x *int) {
(lldb) thread backtrace all
th2/fr0 0x000000000002fe64: CFA=rsp+24 => rsp=rsp+24 rip=[rsp+16]

th2/fr0 cfa_regval = 0x00000002080b5f50 (cfa_regval = 0x00000002080b5f38, cfa_offset = 24)
th2/fr0 initialized frame current pc is 0x2fe8c cfa is 0x2080b5f50 using assembly insn profiling UnwindPlan
th2/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th2/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th2/fr1 pc = 0x000000000002857b
th2/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th2/fr1 fp = 0x000000000000000e
th2/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th2/fr1 sp = 0x00000002080b5f50
 th2/fr1 active row: 0x000000000002849d: CFA=rsp+136 => rsp=rsp+136 rip=[rsp+128]

th2/fr0 supplying caller's saved reg 7's location, cached
 th2/fr1 cfa_regval = 0x00000002080b5fd8 (cfa_regval = 0x00000002080b5f50, cfa_offset = 136)
 th2/fr1 initialized frame current pc is 0x2857b cfa is 0x2080b5fd8
th2/fr0 supplying caller's saved reg 16's location, cached
 th2/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th2/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th2/fr2 pc = 0x00000000000240d1
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
th2/fr0 supplying caller's saved reg 6's location, cached
  th2/fr2 fp = 0x000000000000000e
 th2/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th2/fr2 sp = 0x00000002080b5fd8
  th2/fr2 active row: 0x000000000002400a: CFA=rsp+16 => rsp=rsp+16 rip=[rsp+8]

 th2/fr1 supplying caller's saved reg 7's location, cached
  th2/fr2 cfa_regval = 0x00000002080b5fe8 (cfa_regval = 0x00000002080b5fd8, cfa_offset = 16)
  th2/fr2 initialized frame current pc is 0x240d1 cfa is 0x2080b5fe8
 th2/fr1 supplying caller's saved reg 16's location, cached
  th2/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th2/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th2/fr3 pc = 0x0000000000023fe4
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
th2/fr0 supplying caller's saved reg 6's location, cached
   th2/fr3 fp = 0x000000000000000e
  th2/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th2/fr3 sp = 0x00000002080b5fe8
   th2/fr3 active row: 0x0000000000023f44: CFA=rsp+24 => rsp=rsp+24 rip=[rsp+16]

  th2/fr2 supplying caller's saved reg 7's location, cached
   th2/fr3 cfa_regval = 0x00000002080b6000 (cfa_regval = 0x00000002080b5fe8, cfa_offset = 24)
   th2/fr3 initialized frame current pc is 0x23fe4 cfa is 0x2080b6000
  th2/fr2 supplying caller's saved reg 16's location, cached
   th2/fr3 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
   th2/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th2/fr4 pc = 0x000000000002ff10
   th2/fr3 could not supply caller's reg 6 location
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
th2/fr0 supplying caller's saved reg 6's location, cached
    th2/fr4 fp = 0x000000000000000e
   th2/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th2/fr4 sp = 0x00000002080b6000
    th2/fr4 active row: 0x000000000002fee6: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

   th2/fr3 supplying caller's saved reg 7's location, cached
    th2/fr4 cfa_regval = 0x00000002080b6020 (cfa_regval = 0x00000002080b6000, cfa_offset = 32)
    th2/fr4 initialized frame current pc is 0x2ff10 cfa is 0x2080b6020
   th2/fr3 supplying caller's saved reg 16's location, cached
    th2/fr4 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
    th2/fr4 supplying caller's register 16 from the stack, saved at CFA plus offset -8
     th2/fr5 pc = 0x0000000000000000
    th2/fr4 could not supply caller's reg 6 location
   th2/fr3 could not supply caller's reg 6 location
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
   th2/fr3 could not supply caller's reg 6 location
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
th2/fr0 supplying caller's saved reg 6's location, cached
     th2/fr5 fp = 0x000000000000000e
    th2/fr4 supplying caller's stack pointer (7) value, computed from CFA
     th2/fr5 sp = 0x00000002080b6020
     th2/fr5 this frame has a pc of 0x0
   th2/fr3 could not supply caller's reg 6 location
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
  th2/fr2 could not supply caller's reg 6 location
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
 th2/fr1 could not supply caller's reg 6 location
th2/fr0 supplying caller's saved reg 6's location, cached
th2/fr0 supplying caller's saved reg 6's location, cached
    th2/fr4 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
    th2/fr4 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
    th2/fr4 supplying caller's register 16 from the stack, saved at CFA plus offset -8
     th2/fr5 could not get pc value
     Frame 5 invalid RegisterContext for this frame, stopping stack walk
th2 Unwind of this thread is complete.
th3/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th3/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th3/fr1 pc = 0x000000000000220a
th3/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th3/fr1 fp = 0x00000000000670e0
th3/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th3/fr1 sp = 0x00000002080bff58
 th3/fr1 active row: 0x000000000000217a: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th3/fr0 supplying caller's saved reg 7's location, cached
 th3/fr1 cfa_regval = 0x00000002080bff98 (cfa_regval = 0x00000002080bff58, cfa_offset = 64)
 th3/fr1 initialized frame current pc is 0x220a cfa is 0x2080bff98
th3/fr0 supplying caller's saved reg 16's location, cached
 th3/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th3/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th3/fr2 pc = 0x000000000000d823
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
th3/fr0 supplying caller's saved reg 6's location, cached
  th3/fr2 fp = 0x00000000000670e0
 th3/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th3/fr2 sp = 0x00000002080bff98
  th3/fr2 active row: 0x000000000000d74a: CFA=rsp+72 => rsp=rsp+72 rip=[rsp+64]

 th3/fr1 supplying caller's saved reg 7's location, cached
  th3/fr2 cfa_regval = 0x00000002080bffe0 (cfa_regval = 0x00000002080bff98, cfa_offset = 72)
  th3/fr2 initialized frame current pc is 0xd823 cfa is 0x2080bffe0
 th3/fr1 supplying caller's saved reg 16's location, cached
  th3/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th3/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th3/fr3 pc = 0x0000000000025db0
  th3/fr2 could not supply caller's reg 6 location
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
th3/fr0 supplying caller's saved reg 6's location, cached
   th3/fr3 fp = 0x00000000000670e0
  th3/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th3/fr3 sp = 0x00000002080bffe0
   th3/fr3 active row: 0x0000000000025d0a: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

  th3/fr2 supplying caller's saved reg 7's location, cached
   th3/fr3 cfa_regval = 0x00000002080c0000 (cfa_regval = 0x00000002080bffe0, cfa_offset = 32)
   th3/fr3 initialized frame current pc is 0x25daf cfa is 0x2080c0000
  th3/fr2 supplying caller's saved reg 16's location, cached
   th3/fr3 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
   th3/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th3/fr4 pc = 0x0000000000000000
   th3/fr3 could not supply caller's reg 6 location
  th3/fr2 could not supply caller's reg 6 location
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
  th3/fr2 could not supply caller's reg 6 location
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
th3/fr0 supplying caller's saved reg 6's location, cached
    th3/fr4 fp = 0x00000000000670e0
   th3/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th3/fr4 sp = 0x00000002080c0000
    th3/fr4 this frame has a pc of 0x0
  th3/fr2 could not supply caller's reg 6 location
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
 th3/fr1 could not supply caller's reg 6 location
th3/fr0 supplying caller's saved reg 6's location, cached
th3/fr0 supplying caller's saved reg 6's location, cached
   th3/fr3 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
   th3/fr3 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
   th3/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th3/fr4 pc = 0x00007fff5fbff9e0
   th3/fr3 supplying caller's saved reg 6's location using x86_64 default unwind plan UnwindPlan
   th3/fr3 supplying caller's register 6 from the stack, saved at CFA plus offset -16
    th3/fr4 fp = 0x00007fff5fbefa48
   th3/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th3/fr4 sp = 0x00000000000670f0
    th3/fr4 using architectural default unwind method
    th3/fr4 pc is in a non-executable section of memory and this isn't the 2nd frame in the stack walk.
    Frame 4 invalid RegisterContext for this frame, stopping stack walk
th3 Unwind of this thread is complete.
th4/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th4/fr0 cfa_regval = 0x00000002080a0798 (cfa_regval = 0x00000002080a0758, cfa_offset = 64)
th4/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a0798 using assembly insn profiling UnwindPlan
th4/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th4/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th4/fr1 pc = 0x000000000000db68
th4/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th4/fr1 fp = 0xffffffffffffffff
th4/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th4/fr1 sp = 0x00000002080a0798
 th4/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th4/fr0 supplying caller's saved reg 7's location, cached
 th4/fr1 cfa_regval = 0x00000002080a07c0 (cfa_regval = 0x00000002080a0798, cfa_offset = 40)
 th4/fr1 initialized frame current pc is 0xdb68 cfa is 0x2080a07c0
th4/fr0 supplying caller's saved reg 16's location, cached
 th4/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th4/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th4/fr2 pc = 0x000000000000d97e
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
th4/fr0 supplying caller's saved reg 6's location, cached
  th4/fr2 fp = 0xffffffffffffffff
 th4/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th4/fr2 sp = 0x00000002080a07c0
  th4/fr2 active row: 0x000000000000d8ca: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

 th4/fr1 supplying caller's saved reg 7's location, cached
  th4/fr2 cfa_regval = 0x00000002080a07e0 (cfa_regval = 0x00000002080a07c0, cfa_offset = 32)
  th4/fr2 initialized frame current pc is 0xd97e cfa is 0x2080a07e0
 th4/fr1 supplying caller's saved reg 16's location, cached
  th4/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th4/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th4/fr3 pc = 0x0000000000025db0
  th4/fr2 could not supply caller's reg 6 location
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
th4/fr0 supplying caller's saved reg 6's location, cached
   th4/fr3 fp = 0xffffffffffffffff
  th4/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th4/fr3 sp = 0x00000002080a07e0
   th4/fr3 active row: 0x0000000000025cf0: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

  th4/fr2 could not supply caller's reg 6 location
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
th4/fr0 supplying caller's saved reg 6's location, cached
   th4/fr3 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
   th4/fr3 could not find a valid cfa address
 th4/fr1 could not supply caller's reg 6 location
th4/fr0 supplying caller's saved reg 6's location, cached
th4/fr0 supplying caller's saved reg 6's location, cached
  th4/fr2 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
  th4/fr2 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
  th4/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th4/fr3 could not get pc value
   Frame 3 invalid RegisterContext for this frame, stopping stack walk
th4 Unwind of this thread is complete.
th5/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th5/fr0 cfa_regval = 0x00000002080a3f98 (cfa_regval = 0x00000002080a3f58, cfa_offset = 64)
th5/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a3f98 using assembly insn profiling UnwindPlan
th5/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th5/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th5/fr1 pc = 0x000000000000db68
th5/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th5/fr1 fp = 0xffffffffffffffff
th5/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th5/fr1 sp = 0x00000002080a3f98
 th5/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th5/fr0 supplying caller's saved reg 7's location, cached
 th5/fr1 cfa_regval = 0x00000002080a3fc0 (cfa_regval = 0x00000002080a3f98, cfa_offset = 40)
 th5/fr1 initialized frame current pc is 0xdb68 cfa is 0x2080a3fc0
th5/fr0 supplying caller's saved reg 16's location, cached
 th5/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th5/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th5/fr2 pc = 0x00000000000097dc
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
th5/fr0 supplying caller's saved reg 6's location, cached
  th5/fr2 fp = 0xffffffffffffffff
 th5/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th5/fr2 sp = 0x00000002080a3fc0
  th5/fr2 active row: 0x000000000000973a: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

 th5/fr1 supplying caller's saved reg 7's location, cached
  th5/fr2 cfa_regval = 0x00000002080a3fe0 (cfa_regval = 0x00000002080a3fc0, cfa_offset = 32)
  th5/fr2 initialized frame current pc is 0x97dc cfa is 0x2080a3fe0
 th5/fr1 supplying caller's saved reg 16's location, cached
  th5/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th5/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th5/fr3 pc = 0x0000000000025db0
  th5/fr2 could not supply caller's reg 6 location
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
th5/fr0 supplying caller's saved reg 6's location, cached
   th5/fr3 fp = 0xffffffffffffffff
  th5/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th5/fr3 sp = 0x00000002080a3fe0
   th5/fr3 active row: 0x0000000000025cf0: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

  th5/fr2 could not supply caller's reg 6 location
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
th5/fr0 supplying caller's saved reg 6's location, cached
   th5/fr3 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
   th5/fr3 could not find a valid cfa address
 th5/fr1 could not supply caller's reg 6 location
th5/fr0 supplying caller's saved reg 6's location, cached
th5/fr0 supplying caller's saved reg 6's location, cached
  th5/fr2 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
  th5/fr2 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
  th5/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th5/fr3 could not get pc value
   Frame 3 invalid RegisterContext for this frame, stopping stack walk
th5 Unwind of this thread is complete.
th6/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th6/fr0 cfa_regval = 0x000000020809f6b8 (cfa_regval = 0x000000020809f678, cfa_offset = 64)
th6/fr0 initialized frame current pc is 0xdaef cfa is 0x20809f6b8 using assembly insn profiling UnwindPlan
th6/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th6/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th6/fr1 pc = 0x000000000000db68
th6/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th6/fr1 fp = 0xffffffffffffffff
th6/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th6/fr1 sp = 0x000000020809f6b8
 th6/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th6/fr0 supplying caller's saved reg 7's location, cached
 th6/fr1 cfa_regval = 0x000000020809f6e0 (cfa_regval = 0x000000020809f6b8, cfa_offset = 40)
 th6/fr1 initialized frame current pc is 0xdb68 cfa is 0x20809f6e0
th6/fr0 supplying caller's saved reg 16's location, cached
 th6/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th6/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th6/fr2 pc = 0x0000000000004860
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 fp = 0xffffffffffffffff
 th6/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th6/fr2 sp = 0x000000020809f6e0
  th6/fr2 active row: 0x0000000000004442: CFA=rsp+152 => rsp=rsp+152 rip=[rsp+144]

 th6/fr1 supplying caller's saved reg 7's location, cached
  th6/fr2 cfa_regval = 0x000000020809f778 (cfa_regval = 0x000000020809f6e0, cfa_offset = 152)
  th6/fr2 initialized frame current pc is 0x4860 cfa is 0x20809f778
 th6/fr1 supplying caller's saved reg 16's location, cached
  th6/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th6/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th6/fr3 pc = 0x000000000000441b
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
   th6/fr3 fp = 0xffffffffffffffff
  th6/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th6/fr3 sp = 0x000000020809f778
   th6/fr3 active row: 0x00000000000043f4: CFA=rsp+48 => rsp=rsp+48 rip=[rsp+40]

  th6/fr2 supplying caller's saved reg 7's location, cached
   th6/fr3 cfa_regval = 0x000000020809f7a8 (cfa_regval = 0x000000020809f778, cfa_offset = 48)
   th6/fr3 initialized frame current pc is 0x441b cfa is 0x20809f7a8
  th6/fr2 supplying caller's saved reg 16's location, cached
   th6/fr3 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
   th6/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th6/fr4 pc = 0x000000000000203d
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
    th6/fr4 fp = 0xffffffffffffffff
   th6/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th6/fr4 sp = 0x000000020809f7a8
    th6/fr4 active row: 0x000000000000201a: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

   th6/fr3 supplying caller's saved reg 7's location, cached
    th6/fr4 cfa_regval = 0x000000020809f7c8 (cfa_regval = 0x000000020809f7a8, cfa_offset = 32)
    th6/fr4 initialized frame current pc is 0x203d cfa is 0x20809f7c8
   th6/fr3 supplying caller's saved reg 16's location, cached
    th6/fr4 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
    th6/fr4 supplying caller's register 16 from the stack, saved at CFA plus offset -8
     th6/fr5 pc = 0x0000000000002078
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
     th6/fr5 fp = 0xffffffffffffffff
    th6/fr4 supplying caller's stack pointer (7) value, computed from CFA
     th6/fr5 sp = 0x000000020809f7c8
     th6/fr5 active row: 0x000000000000206a: CFA=rsp+16 => rsp=rsp+16 rip=[rsp+8]

    th6/fr4 supplying caller's saved reg 7's location, cached
     th6/fr5 cfa_regval = 0x000000020809f7d8 (cfa_regval = 0x000000020809f7c8, cfa_offset = 16)
     th6/fr5 initialized frame current pc is 0x2078 cfa is 0x20809f7d8
    th6/fr4 supplying caller's saved reg 16's location, cached
     th6/fr5 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
     th6/fr5 supplying caller's register 16 from the stack, saved at CFA plus offset -8
      th6/fr6 pc = 0x0000000000025db0
     th6/fr5 could not supply caller's reg 6 location
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
      th6/fr6 fp = 0xffffffffffffffff
     th6/fr5 supplying caller's stack pointer (7) value, computed from CFA
      th6/fr6 sp = 0x000000020809f7d8
      th6/fr6 active row: 0x0000000000025cf0: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

     th6/fr5 could not supply caller's reg 6 location
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
      th6/fr6 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
      th6/fr6 could not find a valid cfa address
    th6/fr4 could not supply caller's reg 6 location
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
   th6/fr3 could not supply caller's reg 6 location
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
  th6/fr2 could not supply caller's reg 6 location
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
 th6/fr1 could not supply caller's reg 6 location
th6/fr0 supplying caller's saved reg 6's location, cached
th6/fr0 supplying caller's saved reg 6's location, cached
     th6/fr5 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
     th6/fr5 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
     th6/fr5 supplying caller's register 16 from the stack, saved at CFA plus offset -8
      th6/fr6 could not get pc value
      Frame 6 invalid RegisterContext for this frame, stopping stack walk
th6 Unwind of this thread is complete.
th7/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th7/fr0 cfa_regval = 0x000000020809feb8 (cfa_regval = 0x000000020809fe78, cfa_offset = 64)
th7/fr0 initialized frame current pc is 0xdaef cfa is 0x20809feb8 using assembly insn profiling UnwindPlan
th7/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th7/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th7/fr1 pc = 0x000000000000db68
th7/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th7/fr1 fp = 0xffffffffffffffff
th7/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th7/fr1 sp = 0x000000020809feb8
 th7/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th7/fr0 supplying caller's saved reg 7's location, cached
 th7/fr1 cfa_regval = 0x000000020809fee0 (cfa_regval = 0x000000020809feb8, cfa_offset = 40)
 th7/fr1 initialized frame current pc is 0xdb68 cfa is 0x20809fee0
th7/fr0 supplying caller's saved reg 16's location, cached
 th7/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th7/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th7/fr2 pc = 0x0000000000004860
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
  th7/fr2 fp = 0xffffffffffffffff
 th7/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th7/fr2 sp = 0x000000020809fee0
  th7/fr2 active row: 0x0000000000004442: CFA=rsp+152 => rsp=rsp+152 rip=[rsp+144]

 th7/fr1 supplying caller's saved reg 7's location, cached
  th7/fr2 cfa_regval = 0x000000020809ff78 (cfa_regval = 0x000000020809fee0, cfa_offset = 152)
  th7/fr2 initialized frame current pc is 0x4860 cfa is 0x20809ff78
 th7/fr1 supplying caller's saved reg 16's location, cached
  th7/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th7/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th7/fr3 pc = 0x000000000000441b
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
   th7/fr3 fp = 0xffffffffffffffff
  th7/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th7/fr3 sp = 0x000000020809ff78
   th7/fr3 active row: 0x00000000000043f4: CFA=rsp+48 => rsp=rsp+48 rip=[rsp+40]

  th7/fr2 supplying caller's saved reg 7's location, cached
   th7/fr3 cfa_regval = 0x000000020809ffa8 (cfa_regval = 0x000000020809ff78, cfa_offset = 48)
   th7/fr3 initialized frame current pc is 0x441b cfa is 0x20809ffa8
  th7/fr2 supplying caller's saved reg 16's location, cached
   th7/fr3 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
   th7/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th7/fr4 pc = 0x000000000000203d
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
    th7/fr4 fp = 0xffffffffffffffff
   th7/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th7/fr4 sp = 0x000000020809ffa8
    th7/fr4 active row: 0x000000000000201a: CFA=rsp+32 => rsp=rsp+32 rip=[rsp+24]

   th7/fr3 supplying caller's saved reg 7's location, cached
    th7/fr4 cfa_regval = 0x000000020809ffc8 (cfa_regval = 0x000000020809ffa8, cfa_offset = 32)
    th7/fr4 initialized frame current pc is 0x203d cfa is 0x20809ffc8
   th7/fr3 supplying caller's saved reg 16's location, cached
    th7/fr4 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
    th7/fr4 supplying caller's register 16 from the stack, saved at CFA plus offset -8
     th7/fr5 pc = 0x0000000000002078
    th7/fr4 could not supply caller's reg 6 location
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
     th7/fr5 fp = 0xffffffffffffffff
    th7/fr4 supplying caller's stack pointer (7) value, computed from CFA
     th7/fr5 sp = 0x000000020809ffc8
     th7/fr5 active row: 0x0000000000002050: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

    th7/fr4 could not supply caller's reg 6 location
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
     th7/fr5 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
     th7/fr5 could not find a valid cfa address
   th7/fr3 could not supply caller's reg 6 location
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
  th7/fr2 could not supply caller's reg 6 location
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
 th7/fr1 could not supply caller's reg 6 location
th7/fr0 supplying caller's saved reg 6's location, cached
th7/fr0 supplying caller's saved reg 6's location, cached
    th7/fr4 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
    th7/fr4 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
    th7/fr4 supplying caller's register 16 from the stack, saved at CFA plus offset -8
     th7/fr5 could not get pc value
     Frame 5 invalid RegisterContext for this frame, stopping stack walk
th7 Unwind of this thread is complete.
th8/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th8/fr0 cfa_regval = 0x00000002080a0eb8 (cfa_regval = 0x00000002080a0e78, cfa_offset = 64)
th8/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a0eb8 using assembly insn profiling UnwindPlan
th8/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th8/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th8/fr1 pc = 0x000000000000db68
th8/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th8/fr1 fp = 0xffffffffffffffff
th8/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th8/fr1 sp = 0x00000002080a0eb8
 th8/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th8/fr0 supplying caller's saved reg 7's location, cached
 th8/fr1 cfa_regval = 0x00000002080a0ee0 (cfa_regval = 0x00000002080a0eb8, cfa_offset = 40)
 th8/fr1 initialized frame current pc is 0xdb68 cfa is 0x2080a0ee0
th8/fr0 supplying caller's saved reg 16's location, cached
 th8/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th8/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th8/fr2 pc = 0x0000000000004860
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
th8/fr0 supplying caller's saved reg 6's location, cached
  th8/fr2 fp = 0xffffffffffffffff
 th8/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th8/fr2 sp = 0x00000002080a0ee0
  th8/fr2 active row: 0x0000000000004442: CFA=rsp+152 => rsp=rsp+152 rip=[rsp+144]

 th8/fr1 supplying caller's saved reg 7's location, cached
  th8/fr2 cfa_regval = 0x00000002080a0f78 (cfa_regval = 0x00000002080a0ee0, cfa_offset = 152)
  th8/fr2 initialized frame current pc is 0x4860 cfa is 0x2080a0f78
 th8/fr1 supplying caller's saved reg 16's location, cached
  th8/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th8/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th8/fr3 pc = 0x000000000000441b
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
th8/fr0 supplying caller's saved reg 6's location, cached
   th8/fr3 fp = 0xffffffffffffffff
  th8/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th8/fr3 sp = 0x00000002080a0f78
   th8/fr3 active row: 0x00000000000043f4: CFA=rsp+48 => rsp=rsp+48 rip=[rsp+40]

  th8/fr2 supplying caller's saved reg 7's location, cached
   th8/fr3 cfa_regval = 0x00000002080a0fa8 (cfa_regval = 0x00000002080a0f78, cfa_offset = 48)
   th8/fr3 initialized frame current pc is 0x441b cfa is 0x2080a0fa8
  th8/fr2 supplying caller's saved reg 16's location, cached
   th8/fr3 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
   th8/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th8/fr4 pc = 0x000000000000203d
   th8/fr3 could not supply caller's reg 6 location
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
th8/fr0 supplying caller's saved reg 6's location, cached
    th8/fr4 fp = 0xffffffffffffffff
   th8/fr3 supplying caller's stack pointer (7) value, computed from CFA
    th8/fr4 sp = 0x00000002080a0fa8
    th8/fr4 active row: 0x0000000000002000: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

   th8/fr3 could not supply caller's reg 6 location
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
th8/fr0 supplying caller's saved reg 6's location, cached
    th8/fr4 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
    th8/fr4 could not find a valid cfa address
  th8/fr2 could not supply caller's reg 6 location
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
 th8/fr1 could not supply caller's reg 6 location
th8/fr0 supplying caller's saved reg 6's location, cached
th8/fr0 supplying caller's saved reg 6's location, cached
   th8/fr3 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
   th8/fr3 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
   th8/fr3 supplying caller's register 16 from the stack, saved at CFA plus offset -8
    th8/fr4 could not get pc value
    Frame 4 invalid RegisterContext for this frame, stopping stack walk
th8 Unwind of this thread is complete.
th9/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th9/fr0 cfa_regval = 0x00000002080a16b8 (cfa_regval = 0x00000002080a1678, cfa_offset = 64)
th9/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a16b8 using assembly insn profiling UnwindPlan
th9/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th9/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th9/fr1 pc = 0x000000000000db68
th9/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th9/fr1 fp = 0xffffffffffffffff
th9/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th9/fr1 sp = 0x00000002080a16b8
 th9/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th9/fr0 supplying caller's saved reg 7's location, cached
 th9/fr1 cfa_regval = 0x00000002080a16e0 (cfa_regval = 0x00000002080a16b8, cfa_offset = 40)
 th9/fr1 initialized frame current pc is 0xdb68 cfa is 0x2080a16e0
th9/fr0 supplying caller's saved reg 16's location, cached
 th9/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th9/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th9/fr2 pc = 0x0000000000004860
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
th9/fr0 supplying caller's saved reg 6's location, cached
  th9/fr2 fp = 0xffffffffffffffff
 th9/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th9/fr2 sp = 0x00000002080a16e0
  th9/fr2 active row: 0x0000000000004442: CFA=rsp+152 => rsp=rsp+152 rip=[rsp+144]

 th9/fr1 supplying caller's saved reg 7's location, cached
  th9/fr2 cfa_regval = 0x00000002080a1778 (cfa_regval = 0x00000002080a16e0, cfa_offset = 152)
  th9/fr2 initialized frame current pc is 0x4860 cfa is 0x2080a1778
 th9/fr1 supplying caller's saved reg 16's location, cached
  th9/fr2 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
  th9/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th9/fr3 pc = 0x000000000000441b
  th9/fr2 could not supply caller's reg 6 location
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
th9/fr0 supplying caller's saved reg 6's location, cached
   th9/fr3 fp = 0xffffffffffffffff
  th9/fr2 supplying caller's stack pointer (7) value, computed from CFA
   th9/fr3 sp = 0x00000002080a1778
   th9/fr3 active row: 0x00000000000043f0: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

  th9/fr2 could not supply caller's reg 6 location
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
th9/fr0 supplying caller's saved reg 6's location, cached
   th9/fr3 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
   th9/fr3 could not find a valid cfa address
 th9/fr1 could not supply caller's reg 6 location
th9/fr0 supplying caller's saved reg 6's location, cached
th9/fr0 supplying caller's saved reg 6's location, cached
  th9/fr2 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
  th9/fr2 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
  th9/fr2 supplying caller's register 16 from the stack, saved at CFA plus offset -8
   th9/fr3 could not get pc value
   Frame 3 invalid RegisterContext for this frame, stopping stack walk
th9 Unwind of this thread is complete.
th10/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th10/fr0 cfa_regval = 0x00000002080a1eb8 (cfa_regval = 0x00000002080a1e78, cfa_offset = 64)
th10/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a1eb8 using assembly insn profiling UnwindPlan
th10/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th10/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th10/fr1 pc = 0x000000000000db68
th10/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th10/fr1 fp = 0xffffffffffffffff
th10/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th10/fr1 sp = 0x00000002080a1eb8
 th10/fr1 active row: 0x000000000000db3a: CFA=rsp+40 => rsp=rsp+40 rip=[rsp+32]

th10/fr0 supplying caller's saved reg 7's location, cached
 th10/fr1 cfa_regval = 0x00000002080a1ee0 (cfa_regval = 0x00000002080a1eb8, cfa_offset = 40)
 th10/fr1 initialized frame current pc is 0xdb68 cfa is 0x2080a1ee0
th10/fr0 supplying caller's saved reg 16's location, cached
 th10/fr1 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
 th10/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th10/fr2 pc = 0x0000000000004860
 th10/fr1 could not supply caller's reg 6 location
th10/fr0 supplying caller's saved reg 6's location, cached
th10/fr0 supplying caller's saved reg 6's location, cached
  th10/fr2 fp = 0xffffffffffffffff
 th10/fr1 supplying caller's stack pointer (7) value, computed from CFA
  th10/fr2 sp = 0x00000002080a1ee0
  th10/fr2 active row: 0x0000000000004420: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

 th10/fr1 could not supply caller's reg 6 location
th10/fr0 supplying caller's saved reg 6's location, cached
th10/fr0 supplying caller's saved reg 6's location, cached
  th10/fr2 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
  th10/fr2 could not find a valid cfa address
th10/fr0 supplying caller's saved reg 6's location, cached
 th10/fr1 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
 th10/fr1 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
 th10/fr1 supplying caller's register 16 from the stack, saved at CFA plus offset -8
  th10/fr2 could not get pc value
  Frame 2 invalid RegisterContext for this frame, stopping stack walk
th10 Unwind of this thread is complete.
th11/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th11/fr0 cfa_regval = 0x00000002080a26b8 (cfa_regval = 0x00000002080a2678, cfa_offset = 64)
th11/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a26b8 using assembly insn profiling UnwindPlan
th11/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th11/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th11/fr1 pc = 0x000000000000db68
th11/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th11/fr1 fp = 0xffffffffffffffff
th11/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th11/fr1 sp = 0x00000002080a26b8
 th11/fr1 active row: 0x000000000000db20: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th11/fr0 supplying caller's saved reg 6's location, cached
 th11/fr1 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
 th11/fr1 could not find a valid cfa address
th11/fr0 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
th11/fr0 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
th11/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th11/fr1 could not get pc value
 Frame 1 invalid RegisterContext for this frame, stopping stack walk
th11 Unwind of this thread is complete.
th12/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th12/fr0 cfa_regval = 0x00000002080a2eb8 (cfa_regval = 0x00000002080a2e78, cfa_offset = 64)
th12/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a2eb8 using assembly insn profiling UnwindPlan
th12/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th12/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th12/fr1 pc = 0x000000000000db68
th12/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th12/fr1 fp = 0xffffffffffffffff
th12/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th12/fr1 sp = 0x00000002080a2eb8
 th12/fr1 active row: 0x000000000000db20: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th12/fr0 supplying caller's saved reg 6's location, cached
 th12/fr1 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
 th12/fr1 could not find a valid cfa address
th12/fr0 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
th12/fr0 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
th12/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th12/fr1 could not get pc value
 Frame 1 invalid RegisterContext for this frame, stopping stack walk
th12 Unwind of this thread is complete.
th13/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th13/fr0 cfa_regval = 0x00000002080a36b8 (cfa_regval = 0x00000002080a3678, cfa_offset = 64)
th13/fr0 initialized frame current pc is 0xdaef cfa is 0x2080a36b8 using assembly insn profiling UnwindPlan
th13/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th13/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th13/fr1 pc = 0x000000000000db68
th13/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th13/fr1 fp = 0xffffffffffffffff
th13/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th13/fr1 sp = 0x00000002080a36b8
 th13/fr1 active row: 0x000000000000db20: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th13/fr0 supplying caller's saved reg 6's location, cached
 th13/fr1 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
 th13/fr1 could not find a valid cfa address
th13/fr0 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
th13/fr0 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
th13/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th13/fr1 could not get pc value
 Frame 1 invalid RegisterContext for this frame, stopping stack walk
th13 Unwind of this thread is complete.
th14/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th14/fr0 cfa_regval = 0x00000002080cf6b8 (cfa_regval = 0x00000002080cf678, cfa_offset = 64)
th14/fr0 initialized frame current pc is 0xdaef cfa is 0x2080cf6b8 using assembly insn profiling UnwindPlan
th14/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th14/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th14/fr1 pc = 0x000000000000db68
th14/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th14/fr1 fp = 0xffffffffffffffff
th14/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th14/fr1 sp = 0x00000002080cf6b8
 th14/fr1 active row: 0x000000000000db20: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th14/fr0 supplying caller's saved reg 6's location, cached
 th14/fr1 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
 th14/fr1 could not find a valid cfa address
th14/fr0 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
th14/fr0 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
th14/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th14/fr1 could not get pc value
 Frame 1 invalid RegisterContext for this frame, stopping stack walk
th14 Unwind of this thread is complete.
th15/fr0 0x000000000000d9fa: CFA=rsp+64 => rsp=rsp+64 rip=[rsp+56]

th15/fr0 cfa_regval = 0x00000002080cfeb8 (cfa_regval = 0x00000002080cfe78, cfa_offset = 64)
th15/fr0 initialized frame current pc is 0xdaef cfa is 0x2080cfeb8 using assembly insn profiling UnwindPlan
th15/fr0 supplying caller's saved reg 16's location using assembly insn profiling UnwindPlan
th15/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th15/fr1 pc = 0x000000000000db68
th15/fr0 supplying caller's register 6 from the live RegisterContext at frame 0
 th15/fr1 fp = 0xffffffffffffffff
th15/fr0 supplying caller's stack pointer (7) value, computed from CFA
 th15/fr1 sp = 0x00000002080cfeb8
 th15/fr1 active row: 0x000000000000db20: CFA=rbp+16 => rbp=[rbp] rsp=rbp+16 rip=[rbp+8]

th15/fr0 supplying caller's saved reg 6's location, cached
 th15/fr1 cfa_regval = 0x000000000000000f (cfa_regval = 0xffffffffffffffff, cfa_offset = 16)
 th15/fr1 could not find a valid cfa address
th15/fr0 full unwind plan 'assembly insn profiling' has been replaced by architecture default unwind plan 'x86_64 default unwind plan' for this function from now on.
th15/fr0 supplying caller's saved reg 16's location using x86_64 default unwind plan UnwindPlan
th15/fr0 supplying caller's register 16 from the stack, saved at CFA plus offset -8
 th15/fr1 could not get pc value
 Frame 1 invalid RegisterContext for this frame, stopping stack walk
th15 Unwind of this thread is complete.
  thread #2: tid = 0x17a3c8, 0x000000000002fe8c test`runtime.usleep + 44 at sys_darwin_amd64.s:290
    frame #0: 0x000000000002fe8c test`runtime.usleep + 44 at sys_darwin_amd64.s:290
    frame #1: 0x000000000002857b test`sysmon + 251 at proc.c:2840
    frame #2: 0x00000000000240d1 test`mstart + 225 at proc.c:826
    frame #3: 0x0000000000023fe4 test`runtime.mstart + 164 at proc.c:803
    frame #4: 0x000000000002ff10 test`runtime.bsdthread_start + 48 at sys_darwin_amd64.s:344

* thread #3: tid = 0x0001, 0x000000000000209a test`main.foo(x=1) + 26 at test.go:14, stop reason = breakpoint 1.1
  * frame #0: 0x000000000000209a test`main.foo(x=1) + 26 at test.go:14
    frame #1: 0x000000000000220a test`main.main + 170 at test.go:30
    frame #2: 0x000000000000d823 test`runtime.main + 243 at proc.go:63
    frame #3: 0x0000000000025db0 test`runtime.gosched_m + 192 at proc.c:1641

  thread #4: tid = 0x0002, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x0000000000066e80, reason=(str = "force gc (idle)", len = 15)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x0000000000066e80, reason=(str = "force gc (idle)", len = 15)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x0000000000066e80, reason=(str = "force gc (idle)", len = 15)) + 72 at proc.go:136
    frame #2: 0x000000000000d97e test`runtime.forcegchelper + 206 at proc.go:99

  thread #5: tid = 0x0003, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x000000000006df40, reason=(str = "GC sweep wait", len = 13)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x000000000006df40, reason=(str = "GC sweep wait", len = 13)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x000000000006df40, reason=(str = "GC sweep wait", len = 13)) + 72 at proc.go:136
    frame #2: 0x00000000000097dc test`runtime.bgsweep + 188 at mgc0.go:82

  thread #6: tid = 0x0004, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 72 at proc.go:136
    frame #2: 0x0000000000004860 test`runtime.chanrecv(t=0x0000000000033de0, c=0x00000002080c2000, ep=0x0000000000000000, block=true, selected=false, received=false) + 1088 at chan.go:405
    frame #3: 0x000000000000441b test`runtime.chanrecv1(t=0x0000000000033de0, c=0x00000002080c2000, elem=0x0000000000000000) + 43 at chan.go:307
    frame #4: 0x000000000000203d test`main.doread(ch=0x00000002080c2000) + 61 at test.go:6
    frame #5: 0x0000000000002078 test`main.okread(ch=0x00000002080c2000) + 40 at test.go:10

  thread #7: tid = 0x0005, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 72 at proc.go:136
    frame #2: 0x0000000000004860 test`runtime.chanrecv(t=0x0000000000033de0, c=0x00000002080c2000, ep=0x0000000000000000, block=true, selected=false, received=false) + 1088 at chan.go:405
    frame #3: 0x000000000000441b test`runtime.chanrecv1(t=0x0000000000033de0, c=0x00000002080c2000, elem=0x0000000000000000) + 43 at chan.go:307
    frame #4: 0x000000000000203d test`main.doread(ch=0x00000002080c2000) + 61 at test.go:6

  thread #8: tid = 0x0006, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 72 at proc.go:136
    frame #2: 0x0000000000004860 test`runtime.chanrecv(t=0x0000000000033de0, c=0x00000002080c2000, ep=0x0000000000000000, block=true, selected=false, received=false) + 1088 at chan.go:405
    frame #3: 0x000000000000441b test`runtime.chanrecv1(t=0x0000000000033de0, c=0x00000002080c2000, elem=0x0000000000000000) + 43 at chan.go:307

  thread #9: tid = 0x0007, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 72 at proc.go:136
    frame #2: 0x0000000000004860 test`runtime.chanrecv(t=0x0000000000033de0, c=0x00000002080c2000, ep=0x0000000000000000, block=true, selected=false, received=false) + 1088 at chan.go:405

  thread #10: tid = 0x0008, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #1: 0x000000000000db68 test`runtime.goparkunlock(lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 72 at proc.go:136

  thread #11: tid = 0x0009, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131

  thread #12: tid = 0x000a, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131

  thread #13: tid = 0x000b, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131

  thread #14: tid = 0x000c, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131

  thread #15: tid = 0x000d, 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
    frame #0: 0x000000000000daef test`runtime.gopark(unlockf=0x0000000000025b90, lock=0x00000002080c2058, reason=(str = "chan receive", len = 12)) + 271 at proc.go:131
(lldb)