#0  0xb76ef424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb75041cf in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <optimized out>
        resultvar = <optimized out>
        pid = -1217957888
        selftid = 31742
#2  0xb75077a5 in __GI_abort () at abort.c:120
        act = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {4294967295 <repeats 32 times>}}, sa_flags = 0, sa_restorer = 0}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x082189f7 in monoeg_g_logv (log_domain=<optimized out>, log_level=<optimized out>, format=<optimized out>, args=<optimized out>) at goutput.c:129
No locals.
#4  monoeg_g_logv (log_domain=0x0, log_level=G_LOG_LEVEL_ERROR, format=0x823f7cc "* Assertion at %s:%d, condition `%s' not met\n", args=0xa7923694 "\335\034%\b\212\016") at goutput.c:113
        msg = 0xb65024c8 "@"
#5  0x08218a73 in monoeg_assertion_message (format=0x823f7cc "* Assertion at %s:%d, condition `%s' not met\n") at goutput.c:153
        args = 0xa7923694 "\335\034%\b\212\016"
#6  0x081076eb in process_breakpoint_inner (ctx=ctx@entry=0xa792372c, tls=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at debugger-agent.c:3722
        ji = 0x0
        orig_ip = 0x822633f "\213\003\071\305v\363\071\307w\357\211\004$\203\303\004\350\374\375\377\377\071\336s\347\203\304\034[^_]\303\213\r\b\026\063\b\213D$\004\213T$\b\205\311u\016\211T$\b\211D$\004\351\201\377\377\377\220\351;\350\377\377\215t&"
        ip = 0x822633f "\213\003\071\305v\363\071\307w\357\211\004$\203\303\004\350\374\375\377\377\071\336s\347\203\304\034[^_]\303\213\r\b\026\063\b\213D$\004\213T$\b\205\311u\016\211T$\b\211D$\004\351\201\377\377\377\220\351;\350\377\377\215t&"
        i = <optimized out>
        j = <optimized out>
        suspend_policy = <optimized out>
        native_offset = <optimized out>
        bp = <optimized out>
        inst = <optimized out>
        bp_reqs = <optimized out>
        ss_reqs_orig = <optimized out>
        ss_reqs = <optimized out>
        bp_events = 0x0
        ss_events = 0x0
        enter_leave_events = 0x0
        kind = EVENT_KIND_BREAKPOINT
#7  0x081077e7 in process_breakpoint () at debugger-agent.c:3873
        tls = <optimized out>
        ctx = {eax = 0, ebx = 3077410816, ecx = 16, edx = 98540, ebp = 46053920, esp = 2811377504, esi = 3220803580, edi = 196604, eip = 136471359}
        restore_context = 0xb76dbe78
#8  0x08226354 in GC_push_all_eager (bottom=0xb76d7d3c "", top=0xbff99000 <Address 0xbff99000 out of bounds>) at mark.c:1469
        b = 0xb76d7d3c
        t = 0xbff99000
        p = 0xb76d8ffc
        q = <optimized out>
        lim = 0xbff98ffc
        greatest_ha = 0x2beba20 <Address 0x2beba20 out of bounds>
        least_ha = 0x2fffc ""
#9  0x0822637f in GC_push_all_stack (bottom=0xb76d7d3c "", top=0xbff99000 <Address 0xbff99000 out of bounds>) at mark.c:1521
No locals.
#10 0x08229bb7 in pthread_push_all_stacks () at pthread_stop_world.c:297
        i = <optimized out>
        me = 2811382592
        found_me = 0
        p = 0x83317c0
        lo = <optimized out>
        hi = <optimized out>
#11 GC_push_all_stacks () at pthread_stop_world.c:332
No locals.
#12 0x08226ad6 in GC_mark_some (cold_gc_frame=cold_gc_frame@entry=0xa792383c "\267O\"\b`N\"\b") at mark.c:391
No locals.
#13 0x0821fb98 in GC_stopped_mark (stop_func=stop_func@entry=0x821f890 <GC_never_stop_func>) at alloc.c:543
        i = 1
        dummy = 136466359
        start_time = 0
        current_time = <optimized out>
#14 0x08220250 in GC_try_to_collect_inner (stop_func=stop_func@entry=0x821f890 <GC_never_stop_func>) at alloc.c:382
        start_time = 42
        current_time = <optimized out>
#15 0x08220c66 in GC_collect_or_expand (needed_blocks=needed_blocks@entry=1, ignore_off_page=ignore_off_page@entry=0) at alloc.c:1045
No locals.
#16 0x08220e85 in GC_allocobj (sz=sz@entry=42, kind=kind@entry=0) at alloc.c:1125
        flh = 0x8342ff0
        tried_minor = 0
#17 0x0822382f in GC_generic_malloc_inner (lb=lb@entry=160, k=k@entry=0) at malloc.c:136
        kind = 0x0
        lw = 42
        op = <optimized out>
        opp = <optimized out>
#18 0x082245c9 in GC_generic_malloc_many (lb=160, k=k@entry=0, result=result@entry=0x7fda00) at mallocx.c:513
        op = <optimized out>
        p = <optimized out>
        opp = <optimized out>
        lw = 40
        my_words_allocd = 0
        ok = 0x0
#19 0x0822a513 in GC_local_malloc_atomic (bytes=bytes@entry=160) at pthread_support.c:395
        index = 20
        my_fl = 0x7fda00
        my_entry = 0x0
#20 0x081ac0b5 in mono_object_allocate_ptrfree (vtable=0x96bfc48, size=160) at object.c:4220
        o = <optimized out>
#21 mono_string_new_size (domain=0x34e58, len=73) at object.c:4847
        s = 0x0
        vtable = 0x96bfc48
        size = 160
#22 0x081ac158 in mono_string_alloc (length=73) at object.c:901
No locals.
#23 0xb6804850 in ?? ()
No symbol table info available.
#24 0xb6804814 in ?? ()
No symbol table info available.
#25 0xb6804e34 in ?? ()
No symbol table info available.
#26 0xb680413c in ?? ()
No symbol table info available.
#27 0xb47d0674 in ?? ()
No symbol table info available.
#28 0xb47d04a4 in ?? ()
No symbol table info available.
#29 0xb47ba8e8 in ?? ()
No symbol table info available.
#30 0xb47ba8b8 in ?? ()
No symbol table info available.
#31 0xa7da334c in ?? ()
No symbol table info available.
#32 0xa7da3490 in ?? ()
No symbol table info available.
#33 0xa7da3490 in ?? ()
No symbol table info available.
#34 0xa7da3490 in ?? ()
No symbol table info available.
#35 0xa7da3490 in ?? ()
No symbol table info available.
#36 0xa7da297c in ?? ()
No symbol table info available.
#37 0xa7da2745 in ?? ()
No symbol table info available.
#38 0xa7da2394 in ?? ()
No symbol table info available.
#39 0xa7da2334 in ?? ()
No symbol table info available.
#40 0xa7da1ebc in ?? ()
No symbol table info available.
#41 0xb391c160 in ?? ()
No symbol table info available.
#42 0xb470ad79 in ?? ()
No symbol table info available.
#43 0x08066dcc in mono_jit_runtime_invoke (method=0x9a92ac4, obj=0x4c5038, params=0xa792427c, exc=0x0) at mini.c:5791
        invoke = <optimized out>
        runtime_invoke = 0xa0
        domain = <optimized out>
        domain_info = 0x96c1198
        info = 0x5781e0
        info2 = <optimized out>
#44 0x081a9a3f in mono_runtime_invoke (method=0x9a92ac4, obj=obj@entry=0x4c5038, params=params@entry=0xa792427c, exc=exc@entry=0x0) at object.c:2755
        result = <optimized out>
#45 0x081a9e44 in mono_runtime_delegate_invoke (delegate=delegate@entry=0x4c5038, params=params@entry=0xa792427c, exc=exc@entry=0x0) at object.c:3420
        im = <optimized out>
#46 0x081df6a4 in start_wrapper_internal (data=0xb1888c8) at threads.c:790
        args = {0x0}
        start_arg = 0x0
        tid = 2811382592
        start_delegate = 0x4c5038
        domain = <optimized out>
        start_info = 0xb1888c8
        start_func = 0
        internal = 0x6df930
#47 start_wrapper (data=0xb1888c8) at threads.c:832
No locals.
#48 0x0820a033 in thread_start_routine (args=0x9708b74) at wthreads.c:287
        thread = 0x9708b74
        thr_ret = <optimized out>
#49 0x0822b888 in GC_start_routine (arg=0x6caec0) at pthread_support.c:1468
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {-1217843200, 0, 4001536, -1483586520, -1402470175, -845323842}, __mask_was_saved = 0}}, __pad = {0xa79243e4, 0x0, 0x0, 0x0}}
        __cancel_routine = 0x822b760 <GC_thread_exit_proc>
        __not_first_call = <optimized out>
        dummy = 0
        si = 0x6caec0
        result = <optimized out>
        me = 0x7fd990
        start = <optimized out>
        start_arg = 0x9708b74
#50 0xb7681d4c in start_thread (arg=0xa7924b40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xa7924b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1217843200, 0, 4001536, -1483586520, -1402273567, 1490532544}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#51 0xb75c08ae in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.