.
Thread 2 (Thread 0x7f1d93bb2700 (LWP 2558)):
#0  0x00007f1d9b2b2bb7 in epoll_wait (epfd=37, events=events@entry=0x7f1d93bb0f10, maxevents=maxevents@entry=256, timeout=timeout@entry=-1) at ../sysdeps/unix/sysv/linux/epoll_wait.c:30
        resultvar = 18446744073709551612
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x000055a6c7f90027 in ospoll_wait (ospoll=0x55a6c91efee0, timeout=timeout@entry=-1) at ../../../../os/ospoll.c:397
        nready = <optimized out>
        events = {{events = 1, data = {ptr = 0x7f1d8c000b20, fd = -1946154208, u32 = 2348813088, u64 = 139764879592224}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}} <repeats 122 times>, {events = 0, data = {ptr = 0x7f1d9dcbe754 <_dl_name_match_p+84>, fd = -1647581356, u32 = 2647385940, u64 = 139765178165076}}, {events = 0, data = {ptr = 0x9dea83e000000000, fd = 0, u32 = 0, u64 = 11379052406600892416}}, {events = 32541, data = {ptr = 0x11, fd = 17, u32 = 17, u64 = 17}}, {events = 2647359327, data = {ptr = 0x9dea88d000007f1d, fd = 32541, u32 = 32541, u64 = 11379057835439587101}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x9b1a29d000000000, fd = 0, u32 = 0, u64 = 11176291398603243520}}, {events = 32541, data = {ptr = 0x40a7c1, fd = 4237249, u32 = 4237249, u64 = 4237249}}, {events = 2606260847, data = {ptr = 0x9b5833f800007f1d, fd = 32541, u32 = 32541, u64 = 11193754014074306333}}, {events = 32541, data = {ptr = 0x7f1d9b192a6c, fd = -1692849556, u32 = 2602117740, u64 = 139765132896876}}, {events = 2, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 0, data = {ptr = 0x7f1d93bb1650, fd = -1816455600, u32 = 2478511696, u64 = 139765009290832}}, {events = 3, data = {ptr = 0x93bb164000000000, fd = 0, u32 = 0, u64 = 10645126608354017280}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 3371627120, data = {ptr = 0x55a6, fd = 21926, u32 = 21926, u64 = 21926}}, {events = 0, data = {ptr = 0x2e, fd = 46, u32 = 46, u64 = 46}}, {events = 2649393360, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 0, data = {ptr = 0x1029f04a, fd = 271183946, u32 = 271183946, u64 = 271183946}}, {events = 2649392952, data = {ptr = 0x93bb16e800007f1d, fd = 32541, u32 = 32541, u64 = 10645127329908555549}}, {events = 32541, data = {ptr = 0x7f1d9dea2838, fd = -1645598664, u32 = 2649368632, u64 = 139765180147768}}, {events = 2649392096, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 0, data = {ptr = 0x7f1d9dcb81ef <_dl_lookup_symbol_x+319>, fd = -1647607313, u32 = 2647359983, u64 = 139765178139119}}, {events = 18, data = {ptr = 0x9dea283800000000, fd = 0, u32 = 0, u64 = 11378951629488259072}}, {events = 32541, data = {ptr = 0x5, fd = 5, u32 = 5, u64 = 5}}, {events = 0, data = {ptr = 0x100000000, fd = 0, u32 = 0, u64 = 4294967296}}, {events = 0, data = {ptr = 0x7f1d9dea83e0, fd = -1645575200, u32 = 2649392096, u64 = 139765180171232}}, {events = 2606260847, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 1, data = {ptr = 0x7f1d93bb1640, fd = -1816455616, u32 = 2478511680, u64 = 139765009290816}}, {events = 2478511696, data = {ptr = 0x9dea873800007f1d, fd = 32541, u32 = 32541, u64 = 11379056083092930333}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2606248640, data = {ptr = 0x9b192a6c00007f1d, fd = 32541, u32 = 32541, u64 = 11176010593641463581}}, {events = 32541, data = {ptr = 0xffffffff, fd = -1, u32 = 4294967295, u64 = 4294967295}}, {events = 0, data = {ptr = 0x9b199e8000000000, fd = 0, u32 = 0, u64 = 11176138222889598976}}, {events = 32541, data = {ptr = 0x7f1d9dea88d0, fd = -1645573936, u32 = 2649393360, u64 = 139765180172496}}, {events = 2478511936, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 0, data = {ptr = 0x55a6c8f6f270, fd = -923340176, u32 = 3371627120, u64 = 94174824559216}}, {events = 0, data = {ptr = 0x2e00000000, fd = 0, u32 = 0, u64 = 197568495616}}, {events = 0, data = {ptr = 0x7f1d9dea88d0, fd = -1645573936, u32 = 2649393360, u64 = 139765180172496}}, {events = 0, data = {ptr = 0x9b79c18800000000, fd = 0, u32 = 0, u64 = 11203198337920532480}}, {events = 32541, data = {ptr = 0xb, fd = 11, u32 = 11, u64 = 11}}, {events = 3355219658, data = {ptr = 0x93bb2700000055a6, fd = 21926, u32 = 21926, u64 = 10645145025173804454}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 3664665760, data = {ptr = 0x9dcbcec300007ffe, fd = 32766, u32 = 32766, u64 = 11370409021140926462}}, {events = 32541, data = {ptr = 0x5, fd = 5, u32 = 5, u64 = 5}}, {events = 0, data = {ptr = 0x500000000, fd = 0, u32 = 0, u64 = 21474836480}}, {events = 0, data = {ptr = 0x7f1d9b199e80, fd = -1692819840, u32 = 2602147456, u64 = 139765132926592}}, {events = 2478512848, data = {ptr = 0x9dcc47ca00007f1d, fd = 32541, u32 = 32541, u64 = 11370542092112658205}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 10, data = {ptr = 0xc7fc96ca00000000, fd = 0, u32 = 0, u64 = 14410558702006304768}}, {events = 21926, data = {ptr = 0x55a6c7fc96ca, fd = -939747638, u32 = 3355219658, u64 = 94174808151754}}, {events = 15, data = {ptr = 0x93bb270000000000, fd = 0, u32 = 0, u64 = 10645145025173782528}}, {events = 32541, data = {ptr = 0x7f1d93bb2700, fd = -1816451328, u32 = 2478515968, u64 = 139765009295104}}, {events = 0, data = {ptr = 0xffffffff00000000, fd = 0, u32 = 0, u64 = 18446744069414584320}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2602151824, data = {ptr = 0x1fa000007f1d, fd = 32541, u32 = 32541, u64 = 34772055260957}}, {events = 65535, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2608447792, data = {ptr = 0x7f1d, fd = 32541, u32 = 32541, u64 = 32541}}, {events = 0, data = {ptr = 0x7f1d93bb1cc0, fd = -1816453952, u32 = 2478513344, u64 = 139765009292480}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7ffeda6e5ca0, fd = -630301536, u32 = 3664665760, u64 = 140732563086496}}, {events = 2647379651, data = {ptr = 0x500007f1d, fd = 32541, u32 = 32541, u64 = 21474869021}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 4278190080, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xb5abd0, fd = 11906000, u32 = 11906000, u64 = 11906000}}, {events = 0, data = {ptr = 0x1000b0500000100, fd = 256, u32 = 256, u64 = 72069710140670208}}, {events = 16711680, data = {ptr = 0xff0000ff00, fd = 65280, u32 = 65280, u64 = 1095216725760}}, {events = 0, data = {ptr = 0x1000b0500000078, fd = 120, u32 = 120, u64 = 72069710140670072}}, {events = 16711680, data = {ptr = 0xff0000ff00, fd = 65280, u32 = 65280, u64 = 1095216725760}}, {events = 0, data = {ptr = 0x1000b0500000077, fd = 119, u32 = 119, u64 = 72069710140670071}}, {events = 16711680, data = {ptr = 0xff0000ff00, fd = 65280, u32 = 65280, u64 = 1095216725760}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x3fe0000000000000, fd = 0, u32 = 0, u64 = 4602678819172646912}}, {events = 0, data = {ptr = 0x835dba1700000000, fd = 0, u32 = 0, u64 = 9465926599749664768}}, {events = 1044978718, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 745009152, data = {ptr = 0xbc98b6ca, fd = -1130842422, u32 = 3164124874, u64 = 3164124874}}, {events = 0, data = {ptr = 0x3d535816bc5ca07e, fd = -1134780290, u32 = 3160187006, u64 = 4418972514053300350}}, {events = 0, data = {ptr = 0x44aae00000000000, fd = 0, u32 = 0, u64 = 4948013431224532992}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0xb5abd000000000, fd = 0, u32 = 0, u64 = 51135880626176000}}, {events = 0, data = {ptr = 0x10000000000, fd = 0, u32 = 0, u64 = 1099511627776}}, {events = 16780037, data = {ptr = 0xff0000ff0000, fd = 16711680, u32 = 16711680, u64 = 280375481794560}}, {events = 255, data = {ptr = 0x2, fd = 2, u32 = 2, u64 = 2}}, {events = 14, data = {ptr = 0x80000000, fd = -2147483648, u32 = 2147483648, u64 = 2147483648}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 1071644672, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 2203957783, data = {ptr = 0x3e491c1e, fd = 1044978718, u32 = 1044978718, u64 = 1044978718}}, {events = 0, data = {ptr = 0xbc98b6ca2c67f000, fd = 745009152, u32 = 745009152, u64 = 13589812855035129856}}, {events = 0, data = {ptr = 0xbc5ca07e00000000, fd = 0, u32 = 0, u64 = 13572899840014155776}}, {events = 1028872214, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 1152049152, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x240, fd = 576, u32 = 576, u64 = 576}}, {events = 0, data = {ptr = 0x3000000025, fd = 37, u32 = 37, u64 = 206158430245}}, {events = 0, data = {ptr = 0x400000000, fd = 0, u32 = 0, u64 = 17179869184}}, {events = 7, data = {ptr = 0x4000000000, fd = 0, u32 = 0, u64 = 274877906944}}, {events = 0, data = {ptr = 0x7f1d8c0008e0, fd = -1946154784, u32 = 2348812512, u64 = 139764879591648}}, {events = 96, data = {ptr = 0xfffffcb000000000, fd = 0, u32 = 0, u64 = 18446740431577284608}}, {events = 4294967295, data = {ptr = 0x1, fd = 1, u32 = 1, u64 = 1}}, {events = 4, data = {ptr = 0x31, fd = 49, u32 = 49, u64 = 49}}, {events = 0, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 0, data = {ptr = 0x7c00000000, fd = 0, u32 = 0, u64 = 532575944704}}, {events = 119, data = {ptr = 0x5b0000006e, fd = 110, u32 = 110, u64 = 390842024046}}, {events = 2348810272, data = {ptr = 0x3000007f1d, fd = 32541, u32 = 32541, u64 = 206158462749}}, {events = 0, data = {ptr = 0x184a0, fd = 99488, u32 = 99488, u64 = 99488}}, {events = 48, data = {ptr = 0x9b58195800000000, fd = 0, u32 = 0, u64 = 11193724739577184256}}, {events = 32541, data = {ptr = 0x7f1d8c008b60, fd = -1946121376, u32 = 2348845920, u64 = 139764879625056}}, {events = 2558, data = {ptr = 0xffffffff00000000, fd = 0, u32 = 0, u64 = 18446744069414584320}}, {events = 0, data = {ptr = 0x7f1d9b58c098 <__GI___pthread_mutex_lock+248>, fd = -1688682344, u32 = 2606284952, u64 = 139765137064088}}, {events = 3357688000, data = {ptr = 0x55a6, fd = 21926, u32 = 21926, u64 = 21926}}, {events = 0, data = {ptr = 0x7f1d9b58d7df <__GI___pthread_mutex_unlock+63>, fd = -1688676385, u32 = 2606290911, u64 = 139765137070047}}, {events = 1, data = {ptr = 0xc7f8d95000000000, fd = 0, u32 = 0, u64 = 14409505945392513024}}, {events = 21926, data = {ptr = 0x55a6c7f8fd98 <ospoll_add+408>, fd = -939983464, u32 = 3354983832, u64 = 94174807915928}}, {events = 2348845936, data = {ptr = 0x9b5932cc00007f1d, fd = 32541, u32 = 32541, u64 = 11194034200560828189}}, {events = 32541, data = {ptr = 0x0, fd = 0, u32 = 0, u64 = 0}}, {events = 1, data = {ptr = 0x93bb1b2700000000, fd = 0, u32 = 0, u64 = 10645131998537973760}}, {events = 32541, data = {ptr = 0x22, fd = 34, u32 = 34, u64 = 34}}}
        i = <optimized out>
#2  0x000055a6c7f8d7be in InputThreadDoWork (arg=<optimized out>) at ../../../../os/inputthread.c:367
        set = {__val = {18446744067267100671, 18446744073709551615 <repeats 15 times>}}
        __func__ = "InputThreadDoWork"
#3  0x00007f1d9b5896db in start_thread (arg=0x7f1d93bb2700) at pthread_create.c:463
        pd = 0x7f1d93bb2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139765009295104, 5773015652767583712, 139765009292480, 0, 0, 140732563086496, -5897753637467501088, -5897769825421275680}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#4  0x00007f1d9b2b288f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7f1d9dea0580 (LWP 2553)):
#0  0x00007f1d9979de7b in _Unwind_IteratePhdrCallback (info=<optimized out>, size=<optimized out>, ptr=0x7ffeda6e4920) at ../../../src/libgcc/unwind-dw2-fde-dip.c:398
        table = 0x55a6c7fd00dc
        lo = <optimized out>
        mid = 4933
        data_base = 94174808178896
        f_enc = <optimized out>
        hi = <optimized out>
        f = <optimized out>
        f_enc_size = <optimized out>
        range = 346
        fde_count = 4934
        data = 0x7ffeda6e4920
        phdr = <optimized out>
        p_eh_frame_hdr = <optimized out>
        p_dynamic = <optimized out>
        n = <optimized out>
        match = <optimized out>
        load_base = <optimized out>
        p = 0x55a6c7fd00dc "\340\373\343\377\210\232"
        hdr = 0x55a6c7fd00d0
        eh_frame = 94174808218384
        ob = {pc_begin = 0x15a, tbase = 0x7ffeda6e4a00, dbase = 0x7ffeda6e4850, u = {single = 0x7f1d9b2c2168 <__GI___backtrace+120>, array = 0x7f1d9b2c2168 <__GI___backtrace+120>, sort = 0x7f1d9b2c2168 <__GI___backtrace+120>}, s = {b = {sorted = 0, from_array = 0, mixed_encoding = 0, encoding = 150, count = 1789385}, i = 140732563082416}, next = 0x7ffeda6e4cb0}
        pc_low = <optimized out>
        pc_high = <optimized out>
        prev_cache_entry = <optimized out>
        last_cache_entry = <optimized out>
#1  0x00007f1d9b2f6f21 in __GI___dl_iterate_phdr (callback=callback@entry=0x7f1d9979dac0 <_Unwind_IteratePhdrCallback>, data=data@entry=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 (pc=0x55a6c7f8b7fc <xorg_backtrace+76>, bases=bases@entry=0x7ffeda6e4aa8) at ../../../src/libgcc/unwind-dw2-fde-dip.c:469
        data = {pc = 94174807898108, tbase = 0x0, dbase = 0x0, func = 0x0, ret = 0x0, check_cache = 1}
        ret = <optimized out>
#3  0x00007f1d9979b303 in uw_frame_state_for (context=context@entry=0x7ffeda6e4a00, fs=fs@entry=0x7ffeda6e4af0) at ../../../src/libgcc/unwind-dw2.c:1257
        fde = <optimized out>
        cie = <optimized out>
        aug = <optimized out>
        insn = <optimized out>
        end = <optimized out>
#4  0x00007f1d9979d358 in _Unwind_Backtrace (trace=0x7f1d9b2c1ff0 <backtrace_helper>, trace_argument=0x7ffeda6e4cb0) at ../../../src/libgcc/unwind.inc:302
        fs = {regs = {reg = {{loc = {reg = 0, offset = 0, exp = 0x0}, how = REG_UNSAVED} <repeats 18 times>}, prev = 0x0, cfa_offset = 0, cfa_reg = 0, cfa_exp = 0x0, cfa_how = CFA_UNSET}, pc = 0x0, personality = 0x0, data_align = 0, code_align = 0, retaddr_column = 0, fde_encoding = 0 '\000', lsda_encoding = 0 '\000', saw_z = 0 '\000', signal_frame = 0 '\000', eh_ptr = 0x0}
        context = {reg = {0x0, 0x0, 0x0, 0x7ffeda6e4c78, 0x0, 0x0, 0x7ffeda6e4cd0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7ffeda6e4c80, 0x7ffeda6e4c88, 0x7ffeda6e4c90, 0x7ffeda6e4c98, 0x7ffeda6e4cd8, 0x0}, cfa = 0x7ffeda6e4ce0, ra = 0x55a6c7f8b7fd <xorg_backtrace+77>, lsda = 0x0, bases = {tbase = 0x0, dbase = 0x0, func = 0x7f1d9b2c20f0 <__GI___backtrace>}, flags = 4611686018427387904, version = 0, args_size = 0, by_value = '\000' <repeats 17 times>}
        code = <optimized out>
#5  0x00007f1d9b2c2168 in __GI___backtrace (array=array@entry=0x7ffeda6e4ce0, size=size@entry=64) at ../sysdeps/x86_64/backtrace.c:111
        arg = {array = 0x7ffeda6e4ce0, cfa = 0, cnt = 0, size = 64}
        once = 2
#6  0x000055a6c7f8b7fd in xorg_backtrace () at ../../../../os/backtrace.c:125
        array = {0x0 <repeats 28 times>, 0x7ffeda6e4e40, 0x7ffeda6e4eb8, 0x7ffeda6e4f30, 0x4c4b4000000600, 0x0, 0x2, 0x55a6c8f77ca0, 0x7ffeda6e50b0, 0x7f1d967bcae0, 0x7f1d95efc7f3, 0x7ffeda6e4f30, 0x55a600000600, 0x55a6004c4b40, 0x7f1d96423ac6, 0x600, 0x4c4b40, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x700000004, 0x0, 0x0, 0x0, 0x0, 0xbeef0003beef0003, 0xbeef000346505845, 0xbeef0003beef0003, 0xbeef0003beef0003, 0xbeef0003beef0003}
        mod = <optimized out>
        size = <optimized out>
        i = <optimized out>
        info = {dli_fname = 0xbeef0003beef0003 <error: Cannot access memory at address 0xbeef0003beef0003>, dli_fbase = 0xbeef0003beef0003, dli_sname = 0x0, dli_saddr = 0x0}
#7  0x000055a6c7f8f599 in OsSigHandler (signo=7, sip=0x7ffeda6e50b0, unused=<optimized out>) at ../../../../os/osinit.c:136
        unused = <optimized out>
        sip = 0x7ffeda6e50b0
        signo = 7
#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 (pPicture=0x55a6c977fa80, trap=0x55a6c9c11ce4, x_off=0, y_off=0) at ../../../../fb/fbtrap.c:60
        image = 0x55a6c97d7bd0
        dst_xoff = 0
        dst_yoff = 0
#14 0x00007f1d9645dc4c in ?? () from /tmp/apport_sandbox_b5d3149t/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 (rect=0x55a6c9c11d0c, rect@entry=0x7ffeda6e5b90, size=10, size@entry=1) at ../../../../dix/region.c:241
        pReg = <optimized out>
#17 0x000055a6c7efcc33 in miValidatePicture (pPicture=0x55a6c9703920, mask=<optimized out>) at ../../../../render/mipict.c:183
        pixbounds = {x1 = 0, y1 = 0, x2 = 0, y2 = 0}
        pDrawable = 0x55a6c99690f0
#18 0x000055a6c8f8cb30 in ?? ()
No symbol table info available.
#19 0x000055a6c9703920 in ?? ()
No symbol table info available.
#20 0x000055a6c7f00d79 in ValidatePicture (pPicture=0x55a6c95d8650, pPicture@entry=0x55a6c9703920) at ../../../../render/picture.c:1396
No locals.
#21 0x000055a6c7f011f5 in CompositeTrapezoids (op=<optimized out>, pSrc=0x2b002b00000000, pDst=0x55a6c9703920, maskFormat=0x55a6c8f8ffd8, xSrc=<optimized out>, ySrc=<optimized out>, ntrap=10, traps=0x55a6c9c11ce4) at ../../../../render/picture.c:1598
        ps = <optimized out>
#22 0x000055a6c7f06dcd in ProcRenderTrapezoids (client=0x55a6c95c7fd0) at ../../../../render/render.c:746
        rc = <optimized out>
        ntraps = <optimized out>
        pSrc = 0x55a6c9703920
        pDst = 0x55a6c95d8650
        pFormat = 0x55a6c8f8ffd8
        stuff = <optimized out>
#23 0x000055a6c7e25e98 in Dispatch () at ../../../../dix/dispatch.c:479
        result = <optimized out>
        client = <optimized out>
        start_tick = 32985
#24 0x000055a6c7e29ee0 in dix_main (argc=12, argv=0x7ffeda6e5e48, envp=<optimized out>) at ../../../../dix/main.c:287
        i = <optimized out>
        alwaysCheckForInput = {0, 1}
#25 0x00007f1d9b1b2b97 in __libc_start_main (main=0x55a6c7e13b50 <main>, 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.