.
Thread 5 (Thread 0x7fb872135700 (LWP 29308)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e021e1e228) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55e021e1e1d8, cond=0x55e021e1e200) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7fb87998c050 <__condvar_cleanup_waiting>, __arg = 0x7fb872134a30, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 6, cond = 0x55e021e1e200, mutex = 0x55e021e1e1d8, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 6
        seq = 3
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x55e021e1e200, mutex=0x55e021e1e1d8) at pthread_cond_wait.c:638
No locals.
#3  0x00007fb877d453db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#4  0x00007fb877d44feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#5  0x00007fb879985609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140430164580096, 5393901225338684577, 140736816182542, 140736816182543, 140736816182544, 140430164577408, -5356441660222126943, -5356451598166309727}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fb8798aa103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7fb86bfff700 (LWP 29309)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e021e1e228) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55e021e1e1d8, cond=0x55e021e1e200) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7fb87998c050 <__condvar_cleanup_waiting>, __arg = 0x7fb86bffea30, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 4, cond = 0x55e021e1e200, mutex = 0x55e021e1e1d8, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 4
        seq = 2
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x55e021e1e200, mutex=0x55e021e1e1d8) at pthread_cond_wait.c:638
No locals.
#3  0x00007fb877d453db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#4  0x00007fb877d44feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#5  0x00007fb879985609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140430062647040, 5393901225338684577, 140736816182542, 140736816182543, 140736816182544, 140430062644352, -5356421073370135391, -5356451598166309727}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fb8798aa103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7fb873137700 (LWP 29306)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e021e1e228) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55e021e1e1d8, cond=0x55e021e1e200) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7fb87998c050 <__condvar_cleanup_waiting>, __arg = 0x7fb873136a30, __canceltype = 49, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x55e021e1e200, mutex = 0x55e021e1e1d8, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x55e021e1e200, mutex=0x55e021e1e1d8) at pthread_cond_wait.c:638
No locals.
#3  0x00007fb877d453db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#4  0x00007fb877d44feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#5  0x00007fb879985609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140430181365504, 5393901225338684577, 140736816182542, 140736816182543, 140736816182544, 140430181362816, -5356439460125129567, -5356451598166309727}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fb8798aa103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7fb872936700 (LWP 29307)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55e021e1e228) at ../sysdeps/nptl/futex-internal.h:183
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55e021e1e1d8, cond=0x55e021e1e200) at pthread_cond_wait.c:508
        spin = 0
        buffer = {__routine = 0x7fb87998c050 <__condvar_cleanup_waiting>, __arg = 0x7fb872935a30, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 2, cond = 0x55e021e1e200, mutex = 0x55e021e1e1d8, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = <optimized out>
        result = 0
        wseq = 2
        seq = 1
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x55e021e1e200, mutex=0x55e021e1e1d8) at pthread_cond_wait.c:638
No locals.
#3  0x00007fb877d453db in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#4  0x00007fb877d44feb in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#5  0x00007fb879985609 in start_thread (arg=<optimized out>) at pthread_create.c:477
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140430172972800, 5393901225338684577, 140736816182542, 140736816182543, 140736816182544, 140430172970112, -5356440560173628255, -5356451598166309727}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
#6  0x00007fb8798aa103 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7fb879541a80 (LWP 29305)):
#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {171515904, 0, 0, 0, 0, 0, 0, 94421127914688, 94421095812080, 67108868, 140430290785216, 0, 94421127978640, 0, 94421127914688, 140430300233516}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fb8797ad859 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x55e021cade90, sa_sigaction = 0x55e021cade90}, sa_mask = {__val = {0, 94421127914688, 140430300233516, 8, 94421127912048, 94421127914688, 140430300307522, 94421127912048, 140430300234561, 94421129583952, 25000, 94421127914688, 94421127978640, 0, 67108868, 140430290785216}}, sa_flags = 1346199296, sa_restorer = 0x7fffd7ef79f0}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x000055e01fe03940 in OsAbort ()
No symbol table info available.
#3  0x000055e01fe09579 in ?? ()
No symbol table info available.
#4  0x000055e01fe0a3da in FatalError ()
No symbol table info available.
#5  0x000055e01fe00c89 in ?? ()
No symbol table info available.
#6  <signal handler called>
No locals.
#7  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 94420561035265, 4294967295, 140430289287027, 94421130029136, 140430290664416, 7, 94421127745568, 144, 94420561035274, 94421127745616, 192, 2, 214748364810, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#8  0x00007fb8797ad859 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x8, sa_sigaction = 0x8}, sa_mask = {__val = {8465564405017173760, 0, 94421128332256, 94421128332256, 94421129636248, 140736816185744, 140430267854623, 140430278912744, 140430267859784, 3, 8465564405017173760, 94421129641232, 94421129641232, 94421128332256, 4294967291, 94421129641232}}, sa_flags = 2017206428, sa_restorer = 0x55e021e43d10}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#9  0x00007fb8779c53ac in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#10 0x00007fb8783b4537 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#11 0x00007fb8779f0738 in ?? () from /usr/lib/x86_64-linux-gnu/dri/iris_dri.so
No symbol table info available.
#12 0x00007fb8718f959a in ?? () from /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
No symbol table info available.
#13 0x00007fb8718e83bd in ?? () from /usr/lib/x86_64-linux-gnu/libEGL_mesa.so.0
No symbol table info available.
#14 0x00007fb871923d6c in ?? () from /usr/lib/x86_64-linux-gnu/libEGL.so.1
No symbol table info available.
#15 0x00007fb879135720 in ?? () from /usr/lib/xorg/modules/libglamoregl.so
No symbol table info available.
#16 0x00007fb8791382ed in glamor_init () from /usr/lib/xorg/modules/libglamoregl.so
No symbol table info available.
#17 0x00007fb87a2f2aad in ?? () from /usr/lib/xorg/modules/drivers/modesetting_drv.so
No symbol table info available.
#18 0x00007fb87a2ead5e in ?? () from /usr/lib/xorg/modules/drivers/modesetting_drv.so
No symbol table info available.
#19 0x000055e01fca017b in AddScreen ()
No symbol table info available.
#20 0x000055e01fce1298 in InitOutput ()
No symbol table info available.
#21 0x000055e01fca3db4 in ?? ()
No symbol table info available.
#22 0x00007fb8797af0b3 in __libc_start_main (main=0x55e01fc8da00, argc=12, argv=0x7fffd7ef8768, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffd7ef8758) at ../csu/libc-start.c:308
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {94421095878640, 5393901225338684577, 94421094291984, 140736816187232, 0, 0, -5393813405358668639, -5356452984260311903}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0xc, 0x7fffd7ef8768}, data = {prev = 0x0, cleanup = 0x0, canceltype = 12}}}
        not_first_call = <optimized out>
#23 0x000055e01fc8da3e in _start ()
No symbol table info available.