#0  0x00007fed0b7d4f79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
        resultvar = 0
        pid = 17356
        selftid = 21156
#1  0x00007fed0b7d8388 in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {52088064, 17356, 140656090166615, 140655883976709, 0, 23, 140656076541224, 8080, 17356, 6640694, 140656090195221, 0, 18446744073709551615, 0, 140656035000384, 6}}, sa_flags = 0, sa_restorer = 0x3d3d3d3d3d3d3d3d}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00000000004b74b9 in mono_handle_native_sigsegv (signal=signal@entry=11, ctx=ctx@entry=0x7fed09007ac0) at mini-exceptions.c:2335
        sa = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x7fecf5bf76cb}
        jit_tls = <optimized out>
        signal_str = 0x655436 "SIGSEGV"
#3  0x000000000050f13b in mono_arch_handle_altstack_exception (sigctx=sigctx@entry=0x7fed09007ac0, fault_addr=<optimized out>, stack_ovf=stack_ovf@entry=0) at exceptions-amd64.c:908
        exc = <optimized out>
        ctx = 0x7fed09007ac0
        ji = 0x0
        sp = <optimized out>
        frame_size = <optimized out>
        copied_ctx = <optimized out>
#4  0x0000000000423d22 in mono_sigsegv_signal_handler (_dummy=11, info=0x7fed09007bf0, context=0x7fed09007ac0) at mini.c:6769
        ji = 0x0
        jit_tls = 0x7fec9805c400
        fault_addr = <optimized out>
        ctx = 0x7fed09007ac0
#5  <signal handler called>
No locals.
#6  strlen () at ../sysdeps/x86_64/strlen.S:106
No locals.
#7  0x00007fed0865db03 in g_strdup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#8  0x00007fed0314659d in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007fecf5c1ac24 in gst_structure_copy () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#10 0x00007fecf5c20979 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#11 0x00007fecf5ebcaa5 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#12 0x00007fece51e614f in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
No symbol table info available.
#13 0x00007fecf5eb737d in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#14 0x00007fecf5bf76cb in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#15 0x00007fecf5bf7eb4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#16 0x00007fecf5bf8328 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#17 0x00007fecf5bf6622 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#18 0x00007fecf5c005f8 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#19 0x00007fecf5ed0306 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#20 0x00007fecf5bf76cb in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#21 0x00007fecf5bf7eb4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#22 0x00007fecf5bf8328 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#23 0x00007fecf5bf6622 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#24 0x00007fecf5c005f8 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#25 0x00007fecf5ed0306 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#26 0x00007fecf5bf76cb in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#27 0x00007fecf5bf7eb4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#28 0x00007fecf5bf8328 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#29 0x00007fecf5bf6622 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#30 0x00007fecf5c005f8 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#31 0x00007fecf5ed0306 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
No symbol table info available.
#32 0x00007fecf5bf76cb in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#33 0x00007fecf5bf7eb4 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#34 0x00007fecf5bf8328 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#35 0x00007fecf5bf6622 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#36 0x00007fecf5c005f8 in gst_pad_push_event () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#37 0x00007fece51fb2c7 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
No symbol table info available.
#38 0x00007fecf5c264e9 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
No symbol table info available.
#39 0x00007fed0866689c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#40 0x00007fed08665f15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#41 0x00007fed0bb6c182 in start_thread (arg=0x7fecd528f700) at pthread_create.c:312
        __res = <optimized out>
        pd = 0x7fecd528f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140655165241088, -1950077409683947026, 0, 0, 140655165241792, 140655165241088, 1960830263521329646, 1960747541039170030}, 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"
#42 0x00007fed0b89930d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.