#0  0x00007f467dfce230 in ?? ()
No symbol table info available.
#1  0x00007f46c290e755 in mlt_filter_process () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#2  0x00007f46c2905405 in mlt_service_apply_filters () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#3  0x00007f46c29055a6 in mlt_service_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#4  0x00007f46c2907883 in producer_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#5  0x00007f46c290731e in producer_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#6  0x00007f46c290550c in mlt_service_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#7  0x00007f46c290faaf in producer_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#8  0x00007f46c290731e in producer_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#9  0x00007f46c290550c in mlt_service_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#10 0x00007f46c290550c in mlt_service_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#11 0x00007f46c290c4b8 in mlt_consumer_get_frame () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#12 0x00007f46c290c986 in consumer_read_ahead_thread () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libmlt.so.6
No symbol table info available.
#13 0x00005565d9b8a15d in RenderThread::run() ()
No symbol table info available.
#14 0x00007f46bddb57fe in QThreadPrivate::start(void*) () from /tmp/apport_sandbox_Hzu7Ma/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
No symbol table info available.
#15 0x00007f46bc2df6fa in start_thread (arg=0x7f465e154700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f465e154700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139940202891008, 2925313203243415650, 0, 139940211279775, 8388608, 139939899586272, -3020665246133684126, -3020309479184959390}, 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"
#16 0x00007f46bd3c22dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.