.
Thread 7 (Thread 0x7ff07ffff700 (LWP 8623)):
#0  0x00007ff091e4f7ad in open64 () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x00007ff085a77e3a in ?? () from /usr/lib/x86_64-linux-gnu/mir/server-platform/input-evdev.so.5
No symbol table info available.
#2  0x00007ff08584ab62 in ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10
No symbol table info available.
#3  0x00007ff085857e55 in ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10
No symbol table info available.
#4  0x00007ff08585826b in ?? () from /usr/lib/x86_64-linux-gnu/libinput.so.10
No symbol table info available.
#5  0x00007ff085858404 in libinput_udev_assign_seat () from /usr/lib/x86_64-linux-gnu/libinput.so.10
No symbol table info available.
#6  0x00007ff085a787b9 in mir::input::evdev::make_libinput(udev*) () from /usr/lib/x86_64-linux-gnu/mir/server-platform/input-evdev.so.5
No symbol table info available.
#7  0x00007ff085a7532a in mir::input::evdev::Platform::start() () from /usr/lib/x86_64-linux-gnu/mir/server-platform/input-evdev.so.5
No symbol table info available.
#8  0x00007ff0936c9b3d in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#9  0x00007ff09366282c in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#10 0x00007ff0933ca113 in mir::dispatch::ActionQueue::dispatch(unsigned int) () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#11 0x00007ff0933ca4e4 in mir::dispatch::MultiplexingDispatchable::dispatch(unsigned int) () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#12 0x00007ff0933ca4e4 in mir::dispatch::MultiplexingDispatchable::dispatch(unsigned int) () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#13 0x00007ff0933d70ff in ?? () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#14 0x00007ff0933d053e in ?? () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#15 0x00007ff0923f4050 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#16 0x00007ff092f256fa in start_thread (arg=0x7ff07ffff700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff07ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140670916359936, -3933642608023082493, 0, 140725236322255, 140670916360640, 24551952, 3929420483869633027, 3929884385767811587}, 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"
#17 0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 6 (Thread 0x7ff093ab59c0 (LWP 8607)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007ff0923f1d7e in std::__atomic_futex_unsigned_base::_M_futex_wait_until(unsigned int*, unsigned int, bool, std::chrono::duration<long, std::ratio<1l, 1l> >, std::chrono::duration<long, std::ratio<1l, 1000000000l> >) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#2  0x00007ff093635287 in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#3  0x00007ff093665f12 in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#4  0x00007ff093644937 in mir::run_mir(mir::ServerConfiguration&, std::function<void (mir::DisplayServer&)>, std::function<void (int)> const&) () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#5  0x00007ff09364ff2f in mir::Server::run() () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#6  0x000000000043312a in usc::SystemCompositor::run() ()
No symbol table info available.
#7  0x0000000000425ada in main ()
No symbol table info available.
.
Thread 5 (Thread 0x7ff086f29700 (LWP 8616)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff08bb2cb93 in ?? () from /usr/lib/x86_64-linux-gnu/dri/kms_swrast_dri.so
No symbol table info available.
#2  0x00007ff08bb2c9f7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/kms_swrast_dri.so
No symbol table info available.
#3  0x00007ff092f256fa in start_thread (arg=0x7ff086f29700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff086f29700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140671032923904, -3933642608023082493, 0, 140725236318319, 140671032924608, 2, 3929928364826126851, 3929884385767811587}, 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"
#4  0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 4 (Thread 0x7ff08647f700 (LWP 8617)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff0923edc8c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#2  0x00007ff093683e6b in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#3  0x00007ff0923f4050 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00007ff092f256fa in start_thread (arg=0x7ff08647f700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff08647f700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140671021741824, -3933642608023082493, 0, 140725236321279, 140671021742528, 140725236322224, 3929927702327421443, 3929884385767811587}, 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"
#5  0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 3 (Thread 0x7ff085007700 (LWP 8620)):
#0  0x00007ff091e60153 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
No locals.
#1  0x000000000043e7ea in boost::asio::detail::epoll_reactor::run(bool, boost::asio::detail::op_queue<boost::asio::detail::task_io_service_operation>&) ()
No symbol table info available.
#2  0x000000000043a947 in ?? ()
No symbol table info available.
#3  0x00007ff0923f4050 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00007ff092f256fa in start_thread (arg=0x7ff085007700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff085007700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140671000278784, -3933642608023082493, 0, 140725236320463, 140671000279488, 24601632, 3929934810498296323, 3929884385767811587}, 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"
#5  0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 2 (Thread 0x7ff08772a700 (LWP 8615)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007ff08bb2cb93 in ?? () from /usr/lib/x86_64-linux-gnu/dri/kms_swrast_dri.so
No symbol table info available.
#2  0x00007ff08bb2c9f7 in ?? () from /usr/lib/x86_64-linux-gnu/dri/kms_swrast_dri.so
No symbol table info available.
#3  0x00007ff092f256fa in start_thread (arg=0x7ff08772a700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff08772a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140671041316608, -3933642608023082493, 0, 140725236318319, 140671041317312, 2, 3929929463800883715, 3929884385767811587}, 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"
#4  0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.
.
Thread 1 (Thread 0x7ff084806700 (LWP 8621)):
#0  0x00007ff091d8e418 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
        resultvar = 0
        pid = 8607
        selftid = 8621
#1  0x00007ff091d9001a in __GI_abort () at abort.c:89
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x0, sa_sigaction = 0x0}, sa_mask = {__val = {0, 140671242032400, 21248192, 2, 1, 62, 140670916405232, 140671242032400, 140671216110268, 1, 140671216581165, 140671219525488, 1, 140670991872320, 140670991886080, 1}}, sa_flags = -1847134778, sa_restorer = 0x7ff09211d700 <stderr>}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007ff0933d3c11 in mir::fatal_error_abort(char const*, ...) () from /usr/lib/x86_64-linux-gnu/libmircommon.so.5
No symbol table info available.
#3  0x00007ff08c1fa6fd in ?? () from /usr/lib/x86_64-linux-gnu/mir/server-platform/graphics-mesa-kms.so.8
No symbol table info available.
#4  0x00007ff0936941c4 in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#5  0x00007ff0936f4107 in ?? () from /usr/lib/x86_64-linux-gnu/libmirserver.so.38
No symbol table info available.
#6  0x00007ff0923f4050 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#7  0x00007ff092f256fa in start_thread (arg=0x7ff084806700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7ff084806700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140670991886080, -3933642608023082493, 0, 140725236322335, 140670991886784, 22174136, 3929933709376055811, 3929884385767811587}, 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"
#8  0x00007ff091e5fb5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.