#0  0x00aee416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x008c7c8f in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = 10559476
        selftid = 2139
#2  0x008cb2b5 in __GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0xb78a22b8, sa_sigaction = 0xb78a22b8}, sa_mask = {__val = {12462457, 3079283364, 134523636, 3079283340, 12552820, 0, 3079190816, 5, 0, 1, 12552472, 0 <repeats 11 times>, 3079283424, 0, 0, 12552472, 134560812, 3219948412, 23, 136613853, 10561696, 9810708}}, sa_flags = 23, sa_restorer = 0x9a8e2b <_IO_old_file_write+59>}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x080e1351 in mono_handle_native_sigsegv (signal=11, ctx=0xb78a2d0c) at mini-exceptions.c:2245
        sa = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0 <repeats 32 times>}}, sa_flags = 0, sa_restorer = 0}
        jit_tls = <optimized out>
#4  0x0812046c in mono_arch_handle_altstack_exception (sigctx=0xb78a2d0c, fault_addr=0x24, stack_ovf=0) at exceptions-x86.c:1227
        exc = 0x0
        ctx = 0xb78a2d0c
        ji = 0x0
        sp = <optimized out>
        frame_size = <optimized out>
#5  0x0805fe7d in mono_sigsegv_signal_handler (_dummy=11, info=0xb78a2c8c, context=0xb78a2d0c) at mini.c:5882
        ji = <optimized out>
        jit_tls = 0x8c3eac8
        fault_addr = <optimized out>
        ctx = 0xb78a2d0c
#6  <signal handler called>
No symbol table info available.
#7  0xb271386c in ?? ()
No symbol table info available.
#8  0xb0dc86f4 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)