#0  0x00007fe768d1f3a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = <optimized out>
#1  0x00007fe768d22b0b in __GI_abort () at abort.c:92
        save_stage = 2
        act = {
          __sigaction_handler = {
            sa_handler = 0, 
            sa_sigaction = 0
          }, 
          sa_mask = {
            __val = {0 <repeats 16 times>}
          }, 
          sa_flags = 1717962496, 
          sa_restorer = 0x5
        }
        sigs = {
          __val = {32, 0 <repeats 15 times>}
        }
#2  0x0000000000491241 in ?? ()
No symbol table info available.
#3  <signal handler called>
No symbol table info available.
#4  0x00007fe768d1f3a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = <optimized out>
#5  0x00007fe768d22b0b in __GI_abort () at abort.c:92
        save_stage = 2
        act = {
          __sigaction_handler = {
            sa_handler = 0x7fe751cdf618, 
            sa_sigaction = 0x7fe751cdf618
          }, 
          sa_mask = {
            __val = {1103102052, 140631872568224, 140631887509960, 11, 1078435412, 140631625986880, 140631832132656, 4294967295, 1098012320, 140631625986880, 140631819654912, 9306240, 0, 0, 140631844265584, 0}
          }, 
          sa_flags = 1771319188, 
          sa_restorer = 0x7fe700000005
        }
        sigs = {
          __val = {32, 0 <repeats 15 times>}
        }
#6  0x00000000005e95c5 in ?? ()
No symbol table info available.
#7  0x00000000005bc168 in ?? ()
No symbol table info available.
#8  0x00000000005bc1e6 in mono_code_manager_destroy ()
No symbol table info available.
#9  0x0000000000415f6a in ?? ()
No symbol table info available.
#10 0x000000000055d7a2 in ?? ()
No symbol table info available.
#11 0x000000000050ebf2 in ?? ()
No symbol table info available.
#12 0x000000000050f887 in ?? ()
No symbol table info available.
#13 0x0000000000591f07 in ?? ()
No symbol table info available.
#14 0x00000000005bbfa2 in ?? ()
No symbol table info available.
#15 0x00000000005dc3bd in ?? ()
No symbol table info available.
#16 0x00007fe76908fedc in start_thread (arg=0x7fe766660700) at pthread_create.c:304
        __res = <optimized out>
        pd = 0x7fe766660700
        now = <optimized out>
        unwind_buf = {
          cancel_jmp_buf = {{
              jmp_buf = {0, -5152037908614851220, 140733931177456, 140631832136128, 0, 3, 5138189473800672620, 5138214376027608428}, 
              mask_was_saved = 0
            }}, 
          priv = {
            pad = {0x0, 0x0, 0x0, 0x0}, 
            data = {
              prev = 0x0, 
              cleanup = 0x0, 
              canceltype = 0
            }
          }
        }
        not_first_call = 0
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#17 0x00007fe768dca89d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#18 0x0000000000000000 in ?? ()
No symbol table info available.