#0  0x00007f1d9979de7b in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
No symbol table info available.
#1  0x00007f1d9b2f6f21 in __GI___dl_iterate_phdr (callback=0x7f1d9979dac0, data=0x7ffeda6e4920) at dl-iteratephdr.c:75
        __clframe = {__cancel_routine = <optimized out>, __cancel_arg = 0x0, __do_it = 1, __cancel_type = <optimized out>}
        nloaded = 52
        ns = <optimized out>
        caller = <optimized out>
        l = 0x7f1d9ded6170
        info = {dlpi_addr = 94174806093824, dlpi_name = 0x7f1d9ded6700 "", dlpi_phdr = 0x55a6c7dd3040, dlpi_phnum = 9, dlpi_adds = 58, dlpi_subs = 6, dlpi_tls_modid = 0, dlpi_tls_data = 0x0}
        ret = 0
#2  0x00007f1d9979ed55 in _Unwind_Find_FDE () from /lib/x86_64-linux-gnu/libgcc_s.so.1
No symbol table info available.
#3  0x00007f1d9979b303 in ?? () from /lib/x86_64-linux-gnu/libgcc_s.so.1
No symbol table info available.
#4  0x00007f1d9979d358 in _Unwind_Backtrace () from /lib/x86_64-linux-gnu/libgcc_s.so.1
No symbol table info available.
#5  0x00007f1d9b2c2168 in __GI___backtrace (array=<optimized out>, size=<optimized out>) at ../sysdeps/x86_64/backtrace.c:111
        arg = {array = 0x7ffeda6e4ce0, cfa = 0, cnt = 0, size = 64}
        once = 2
#6  0x000055a6c7f8b7fd in xorg_backtrace ()
No symbol table info available.
#7  0x000055a6c7f8f599 in ?? ()
No symbol table info available.
#8  <signal handler called>
No locals.
#9  dl_new_hash (s=0x7f1d94fa7f3c "pixman_rasterize_trapezoid") at dl-lookup.c:555
        c = <optimized out>
        h = 5381
        h = <optimized out>
        c = <optimized out>
#10 _dl_lookup_symbol_x (undef_name=0x7f1d94fa7f3c "pixman_rasterize_trapezoid", undef_map=0x55a6c8f6d5b0, ref=ref@entry=0x7ffeda6e5728, symbol_scope=0x55a6c8f6d908, version=0x0, type_class=type_class@entry=1, flags=5, skip_map=0x0) at dl-lookup.c:791
        new_hash = <optimized out>
        old_hash = 140732563084944
        current_value = {s = 0x0, m = 0x20}
        scope = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_lookup_symbol_x"
        i = <optimized out>
        protected = <optimized out>
#11 0x00007f1d9dcbcec3 in _dl_fixup (l=<optimized out>, reloc_arg=<optimized out>) at ../elf/dl-runtime.c:112
        version = <optimized out>
        flags = <optimized out>
        symtab = <optimized out>
        strtab = <optimized out>
        reloc = <optimized out>
        sym = 0x7f1d94fa5810
        refsym = <optimized out>
        rel_addr = 0x7f1d951d0068
        result = <optimized out>
        value = <optimized out>
        __PRETTY_FUNCTION__ = "_dl_fixup"
#12 0x00007f1d9dcc47ca in _dl_runtime_resolve_xsavec () at ../sysdeps/x86_64/dl-trampoline.h:125
No locals.
#13 0x00007f1d94fca5a7 in wfbRasterizeTrapezoid () from /usr/lib/xorg/modules/libwfb.so
No symbol table info available.
#14 0x00007f1d9645dc4c in ?? () from /usr/lib/x86_64-linux-gnu/nvidia/xorg/nvidia_drv.so
No symbol table info available.
#15 0x00007ffeda6e5b90 in ?? ()
No symbol table info available.
#16 0x000055a6c7e47f5b in RegionCreate ()
No symbol table info available.
#17 0x000055a6c7efcc33 in ?? ()
No symbol table info available.
#18 0x000055a6c8f8cb30 in ?? ()
No symbol table info available.
#19 0x000055a6c9703920 in ?? ()
No symbol table info available.
#20 0x000055a6c7f00d79 in ValidatePicture ()
No symbol table info available.
#21 0x000055a6c7f011f5 in CompositeTrapezoids ()
No symbol table info available.
#22 0x000055a6c7f06dcd in ?? ()
No symbol table info available.
#23 0x000055a6c7e25e98 in ?? ()
No symbol table info available.
#24 0x000055a6c7e29ee0 in ?? ()
No symbol table info available.
#25 0x00007f1d9b1b2b97 in __libc_start_main (main=0x55a6c7e13b50, argc=12, argv=0x7ffeda6e5e48, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffeda6e5e38) at ../csu/libc-start.c:310
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -337681107820786208, 94174806358880, 140732563086912, 0, 0, -5773495996590109216, -5897770406673822240}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f1d9dcbd733 <_dl_init+259>, 0x7f1d9dcab438}, data = {prev = 0x0, cleanup = 0x0, canceltype = -1647585485}}}
        not_first_call = <optimized out>
#26 0x000055a6c7e13b8a in _start ()
No symbol table info available.