https://bugs.kde.org/show_bug.cgi?id=478700

--- Comment #1 from devillelethiba...@gmail.com ---
Here is the full backtrace (well. as full as I could make it) of the last kwin
crash that happened while writing this bug report:

```
Thread 7 (Thread 0x7f8b04ad66c0 (LWP 1128)):
#0  0x00007f8b35dba4ae in __futex_abstimed_wait_common64 (private=0,
cancel=true, abstime=0x7f8b04ad5c20, op=137, expected=0,
futex_word=0x562c2915a3d0) at futex-internal.c:57
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        err = <optimized out>
        clockbit = 0
        op = 137
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x562c2915a3d0,
expected=expected@entry=0, clockid=clockid@entry=1,
abstime=abstime@entry=0x7f8b04ad5c20, private=private@entry=0,
cancel=cancel@entry=true) at futex-internal.c:87
        err = <optimized out>
        clockbit = 0
        op = 137
#2  0x00007f8b35dba52f in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x562c2915a3d0, expected=expected@entry=0,
clockid=clockid@entry=1, abstime=abstime@entry=0x7f8b04ad5c20,
private=private@entry=0) at futex-internal.c:139
#3  0x00007f8b35dbd055 in __pthread_cond_wait_common (abstime=0x7f8b04ad5c20,
clockid=1, mutex=0x562c2915a380, cond=0x562c2915a3a8) at
pthread_cond_wait.c:503
        spin = 0
        buffer = {__routine = 0x7f8b35dbcab0 <__condvar_cleanup_waiting>, __arg
= 0x7f8b04ad5b90, __canceltype = 919528192, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x562c2915a3a8, mutex = 0x562c2915a380,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        maxspin = 0
        signals = <optimized out>
        result = 0
        wseq = 0
        seq = 0
        private = 0
        flags = <optimized out>
        clockid = 1
#4  ___pthread_cond_timedwait64 (cond=0x562c2915a3a8, mutex=0x562c2915a380,
abstime=0x7f8b04ad5c20) at pthread_cond_wait.c:643
        flags = <optimized out>
        clockid = 1
#5  0x00007f8b36cfb434 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f8b36cf856a in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 2, 140726386999584, 140235047264256,
-6667523985975791112, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#9  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 6 (Thread 0x7f8b30fff6c0 (LWP 1080)):
#0  0x00007f8b35e33f6f in __GI___poll (fds=0x7f8b2c0015c0, nfds=3,
timeout=22069) at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = 1
        sc_cancel_oldtype = 0
#1  0x00007f8b3476c276 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8b3470c162 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f8b36eeaf7c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f8b36e9ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f8b36cf74f6 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8b38c6ea9a in QDBusConnectionManager::run() (this=0x7f8b38cd6660
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
/usr/src/debug/qt5-base/qtbase/src/dbus/qdbusconnection.cpp:179
#7  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 2, 140726386999808, 140235790872576,
-6667479297377947144, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#9  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 5 (Thread 0x7f8b0d1406c0 (LWP 1125)):
#0  0x00007f8b35e33f6f in __GI___poll (fds=0x7f8b000013d0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f8b3476c276 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8b3470c162 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f8b36eeaf7c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f8b36e9ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f8b36cf74f6 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8b37cc5880 in QQmlThreadPrivate::run() (this=0x562c28f6eb00) at
/usr/src/debug/qt5-declarative/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 22, 140726386998896, 140235188207616,
-6667542691632107016, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#9  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 4 (Thread 0x7f8b2bbff6c0 (LWP 1105)):
#0  0x00007f8b35e33f6f in __GI___poll (fds=0x7f8b180013f0, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f8b3476c276 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8b3470c162 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f8b36eeaf7c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f8b36e9ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f8b36cf74f6 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 2, 140726387000576, 140235702792192,
-6667460055924461064, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#8  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 3 (Thread 0x7f8b149ff6c0 (LWP 1121)):
#0  0x00007f8b35e33f6f in __GI___poll (fds=0x7f8b080013d0, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
        sc_ret = -516
        sc_cancel_oldtype = 0
#1  0x00007f8b3476c276 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f8b3470c162 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f8b36eeaf7c in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f8b36e9ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f8b36cf74f6 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f8b37cc5880 in QQmlThreadPrivate::run() (this=0x562c28ecd970) at
/usr/src/debug/qt5-declarative/qtdeclarative/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 22, 140726386998640, 140235314819072,
-6667559286848867848, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#9  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 2 (Thread 0x7f8b155ff6c0 (LWP 1120)):
#0  0x00007f8b35dba4ae in __futex_abstimed_wait_common64 (private=0,
cancel=true, abstime=0x7f8b155fec20, op=137, expected=0,
futex_word=0x562c28dffc90) at futex-internal.c:57
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
        err = <optimized out>
        clockbit = 0
        op = 137
#1  __futex_abstimed_wait_common (futex_word=futex_word@entry=0x562c28dffc90,
expected=expected@entry=0, clockid=clockid@entry=1,
abstime=abstime@entry=0x7f8b155fec20, private=private@entry=0,
cancel=cancel@entry=true) at futex-internal.c:87
        err = <optimized out>
        clockbit = 0
        op = 137
#2  0x00007f8b35dba52f in __GI___futex_abstimed_wait_cancelable64
(futex_word=futex_word@entry=0x562c28dffc90, expected=expected@entry=0,
clockid=clockid@entry=1, abstime=abstime@entry=0x7f8b155fec20,
private=private@entry=0) at futex-internal.c:139
#3  0x00007f8b35dbd055 in __pthread_cond_wait_common (abstime=0x7f8b155fec20,
clockid=1, mutex=0x562c28dffc40, cond=0x562c28dffc68) at
pthread_cond_wait.c:503
        spin = 0
        buffer = {__routine = 0x7f8b35dbcab0 <__condvar_cleanup_waiting>, __arg
= 0x7f8b155feb90, __canceltype = 0, __prev = 0x0}
        cbuffer = {wseq = 4, cond = 0x562c28dffc68, mutex = 0x562c28dffc40,
private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        maxspin = 0
        signals = <optimized out>
        result = 0
        wseq = 4
        seq = 2
        private = 0
        flags = <optimized out>
        clockid = 1
#4  ___pthread_cond_timedwait64 (cond=0x562c28dffc68, mutex=0x562c28dffc40,
abstime=0x7f8b155fec20) at pthread_cond_wait.c:643
        flags = <optimized out>
        clockid = 1
#5  0x00007f8b36cfb434 in QWaitCondition::wait(QMutex*, QDeadlineTimer) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f8b36cf856a in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f8b36cf371a in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f8b35dbd9eb in start_thread (arg=<optimized out>) at
pthread_create.c:444
        ret = <optimized out>
        pd = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140235880781584,
6660325875311194616, -264, 22, 140726386998928, 140235327401984,
-6667559836604681736, -6667490532251389448}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#9  0x00007f8b35e417cc in clone3 () at
../sysdeps/unix/sysv/linux/x86_64/clone3.S:78

Thread 1 (Thread 0x7f8b313158c0 (LWP 1063)):
#0  __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {140235915833568}}
        ret = <optimized out>
#1  0x00007f8b35dbf8a3 in __pthread_kill_internal (signo=6, threadid=<optimized
out>) at pthread_kill.c:78
#2  0x00007f8b35d6f668 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x00007f8b35d574b8 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20},
sa_mask = {__val = {0, 0, 140235915834213, 0, 1, 0, 0, 5, 216172782113786368,
140235915834213, 5601757287903862016, 140235915834836, 94747663097344,
140235915834213, 18, 140235915834836}}, sa_flags = 1, sa_restorer =
0x7f8b37f2b365}
#4  0x00007f8b37f04fee in egl_provider_resolver (name=name@entry=0x7f8b37f2b9ce
<entrypoint_strings+430> "eglCreateImageKHR",
providers=providers@entry=0x7f8b37f2b7f0 <providers.33.lto_priv>,
entrypoints=entrypoints@entry=0x7f8b37f2b7e8 <entrypoints.32.lto_priv>) at
src/egl_generated_dispatch.c:3911
        i = <optimized out>
#5  0x00007f8b37f087ab in epoxy_eglCreateImageKHR_resolver () at
src/egl_generated_dispatch.c:4078
#6  epoxy_eglCreateImageKHR_global_rewrite_ptr (dpy=0x562c28cd6760, ctx=0x0,
target=12912, buffer=0x0, attrib_list=0x7f8b2c0177f8) at
src/egl_generated_dispatch.c:5037
#7  0x00007f8b38a35271 in
KWin::AbstractEglBackend::importDmaBufAsImage(KWin::DmaBufAttributes const&)
const () at /usr/lib/libkwin.so.5
#8  0x00007f8b38a36287 in
KWin::EglDmabuf::importBuffer(KWin::DmaBufAttributes&&, unsigned int) () at
/usr/lib/libkwin.so.5
#9  0x00007f8b389d5217 in  () at /usr/lib/libkwin.so.5
#10 0x00007f8b342184f6 in ffi_call_unix64 () at ../src/x86/unix64.S:104
#11 0x00007f8b34214f5e in ffi_call_int (cif=cif@entry=0x7ffd6a4ebfe0,
fn=<optimized out>, rvalue=<optimized out>, avalue=<optimized out>,
closure=closure@entry=0x0) at ../src/x86/ffi64.c:673
        classes = {X86_64_INTEGERSI_CLASS, 32765, 874591932, 32651}
        stack = <optimized out>
        argp = 0x7ffd6a4ebe34 ""
        arg_types = <optimized out>
        gprcount = 6
        ssecount = <optimized out>
        ngpr = 1
        nsse = 0
        i = <optimized out>
        avn = <optimized out>
        flags = <optimized out>
        reg_args = <optimized out>
#12 0x00007f8b34217b73 in ffi_call (cif=cif@entry=0x7ffd6a4ebfe0, fn=<optimized
out>, rvalue=rvalue@entry=0x0, avalue=avalue@entry=0x7ffd6a4ec0b0) at
../src/x86/ffi64.c:710
        arg_types = 0x7ffd6a4ec000
        i = <optimized out>
        nargs = 7
        max_reg_struct_size = <optimized out>
#13 0x00007f8b357faada in wl_closure_invoke
(closure=closure@entry=0x562c2b72abf0, target=<optimized out>,
target@entry=0x562c2b7da020, opcode=opcode@entry=3, data=<optimized out>,
data@entry=0x562c29075e40, flags=2) at ../wayland-1.22.0/src/connection.c:1025
        count = <optimized out>
        cif = {abi = FFI_UNIX64, nargs = 7, arg_types = 0x7ffd6a4ec000, rtype =
0x7f8b342191a0 <ffi_type_void>, bytes = 8, flags = 0}
        ffi_types = {0x7f8b342192a0 <ffi_type_pointer>, 0x7f8b342192a0
<ffi_type_pointer>, 0x7f8b34219240 <ffi_type_uint32>, 0x7f8b34219330
<ffi_type_sint32>, 0x7f8b34219330 <ffi_type_sint32>, 0x7f8b34219240
<ffi_type_uint32>, 0x7f8b34219240 <ffi_type_uint32>, 0x7f8b34219240
<ffi_type_uint32>, 0x200000003, 0x4, 0x7ffd6a4ec100, 0x562c2b7d8a70,
0x7f8b2c003fc0, 0x7ffd6a4ec2e0, 0x562c2b7d8a50, 0x7f8b36ecc615, 0x562c289e72c0,
0x538cbaa13, 0x7f8b37136f00, 0x4, 0x562c2b7e4da0, 0x0}
        ffi_args = {0x7ffd6a4ebfc0, 0x7ffd6a4ebfc8, 0x562c2b72ac08,
0x562c2b72ac10, 0x562c2b72ac18, 0x562c2b72ac20, 0x562c2b72ac28, 0x562c2b74b970,
0x7f8b35f09ac0 <main_arena>, 0x7f8b357fc531 <log_closure+81>, 0x562c2b7e5f40,
0x562c28a19ae0, 0x7f8b35f09ac0 <main_arena>, 0x5, 0x7f8b38bc0f98,
0x7f8b35dced08 <__libc_calloc+216>, 0x8, 0x7f8b35dcbb29 <_int_free+697>,
0x7f8b38b01f8c, 0x7f8b38bc0fc8, 0x0, 0x64}
        implementation = <optimized out>
#14 0x00007f8b357ff180 in wl_client_connection_data (fd=<optimized out>,
mask=<optimized out>, data=<optimized out>) at
../wayland-1.22.0/src/wayland-server.c:438
        client = <optimized out>
        connection = <optimized out>
        resource = 0x562c2b7da020
        object = 0x562c2b7da020
        closure = <optimized out>
        message = 0x7f8b38bc0fc8
        p = {43, 1835011}
        resource_flags = 0
        opcode = 3
        size = <optimized out>
        since = <optimized out>
        len = <optimized out>
#15 0x00007f8b357fdae2 in wl_event_loop_dispatch (loop=0x562c28a19bd0,
timeout=<optimized out>) at ../wayland-1.22.0/src/event-loop.c:1027
        ep = {{events = 1, data = {ptr = 0x562c29074190, fd = 688341392, u32 =
688341392, u64 = 94747666891152}}, {events = 1, data = {ptr = 0x562c2b72c4d0,
fd = 728941776, u32 = 728941776, u64 = 94747707491536}}, {events = 1, data =
{ptr = 0x562c29075f20, fd = 688348960, u32 = 688348960, u64 = 94747666898720}},
{events = 0, data = {ptr = 0x7f8b2c001620, fd = 738203168, u32 = 738203168, u64
= 140235715384864}}, {events = 729658304, data = {ptr = 0x2c0082600000562c, fd
= 22060, u32 = 22060, u64 = 3170677486497322540}}, {events = 32651, data = {ptr
= 0x11, fd = 17, u32 = 17, u64 = 17}}, {events = 4017560832, data = {ptr =
0xa4dbd7092, fd = 1304260754, u32 = 1304260754, u64 = 44253933714}}, {events =
4, data = {ptr = 0x7ffd6a4ec410, fd = 1783546896, u32 = 1783546896, u64 =
140726387000336}}, {events = 727302768, data = {ptr = 0x2b7d85f00000562c, fd =
22060, u32 = 22060, u64 = 3133808181558400556}}, {events = 22060, data = {ptr =
0x562c2b7013c0, fd = 728765376, u32 = 728765376, u64 = 94747707315136}},
{events = 738257904, data = {ptr = 0x6a4ec4f800007f8b, fd = 32651, u32 = 32651,
u64 = 7660276585634758539}}, {events = 32765, data = {ptr = 0x43d, fd = 1085,
u32 = 1085, u64 = 1085}}, {events = 25, data = {ptr = 0x0, fd = 0, u32 = 0, u64
= 0}}, {events = 0, data = {ptr = 0x8, fd = 8, u32 = 8, u64 = 8}}, {events =
919578228, data = {ptr = 0xfffffef800007f8b, fd = 32651, u32 = 32651, u64 =
18446742939838218123}}, {events = 4294967295, data = {ptr = 0xc, fd = 12, u32 =
12, u64 = 12}}, {events = 1783547168, data = {ptr = 0x35dce35300007ffd, fd =
32765, u32 = 32765, u64 = 3881226924508348413}}, {events = 32651, data = {ptr =
0xf0, fd = 240, u32 = 240, u64 = 240}}, {events = 1783547168, data = {ptr =
0x2c00826000007ffd, fd = 32765, u32 = 32765, u64 = 3170677486497333245}},
{events = 32651, data = {ptr = 0x7ffd6a4ec4f8, fd = 1783547128, u32 =
1783547128, u64 = 140726387000568}}, {events = 240, data = {ptr =
0x38c8542b00000000, fd = 0, u32 = 0, u64 = 4091612805126422528}}, {events =
32651, data = {ptr = 0xd, fd = 13, u32 = 13, u64 = 13}}, {events = 1783547136,
data = {ptr = 0x385c507e00007ffd, fd = 32765, u32 = 32765, u64 =
4061209466077478909}}, {events = 32651, data = {ptr = 0x7f8b38c9a701
<qDBusCheckAsyncTag(char const*)+81>, fd = 952739585, u32 = 952739585, u64 =
140235929921281}}, {events = 1783547120, data = {ptr = 0x2c00162000007ffd, fd =
32765, u32 = 32765, u64 = 3170558464363626493}}, {events = 32651, data = {ptr =
0x7f8b385cb300 <KGlobalAccelD::staticMetaObject>, fd = 945599232, u32 =
945599232, u64 = 140235922780928}}, {events = 14, data = {ptr =
0x2c00fc3000000000, fd = 0, u32 = 0, u64 = 3170811420757458944}}, {events =
32651, data = {ptr = 0x7f8b2c014e30, fd = 738283056, u32 = 738283056, u64 =
140235715464752}}, {events = 687834352, data = {ptr = 0x35dce3530000562c, fd =
22060, u32 = 22060, u64 = 3881226924508337708}}, {events = 32651, data = {ptr =
0xd, fd = 13, u32 = 13, u64 = 13}}, {events = 1783547200, data = {ptr =
0x28ff84f000007ffd, fd = 32765, u32 = 32765, u64 = 2954226046905384957}},
{events = 22060, data = {ptr = 0x7f8b0000043d, fd = 1085, u32 = 1085, u64 =
140234977182781}}}
        source = <optimized out>
        i = 2
        count = <optimized out>
        has_timers = <optimized out>
#16 0x00007f8b389c5c87 in KWaylandServer::Display::dispatchEvents() () at
/usr/lib/libkwin.so.5
#17 0x00007f8b36ed1097 in  () at /usr/lib/libQt5Core.so.5
#18 0x00007f8b36ed2894 in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal) () at
/usr/lib/libQt5Core.so.5
#19 0x00007f8b36ed29d8 in QSocketNotifier::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#20 0x00007f8b365788ff in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#21 0x00007f8b36e9c168 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#22 0x00007f8b36ee9b3c in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() () at
/usr/lib/libQt5Core.so.5
#23 0x00007f8b36eead09 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#24 0x0000562c27065ce2 in  ()
#25 0x00007f8b36e9ae74 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#26 0x00007f8b36e9c313 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#27 0x0000562c26f8140b in  ()
#28 0x00007f8b35d58cd0 in __libc_start_call_main
(main=main@entry=0x562c26f7fda0, argc=argc@entry=14,
argv=argv@entry=0x7ffd6a4ece58) at ../sysdeps/nptl/libc_start_call_main.h:58
        self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140726387002968,
6660325875312505336, 0, 140726387003088, 140235932635136, 94747633841592,
-6659434590624271880, -6667490516859604488}, mask_was_saved = 0}}, priv = {pad
= {0x0, 0x0, 0x7ffd6a4ece58, 0xe}, data = {prev = 0x0, cleanup = 0x0,
canceltype = 1783549528}}}
        not_first_call = <optimized out>
#29 0x00007f8b35d58d8a in __libc_start_main_impl (main=0x562c26f7fda0, argc=14,
argv=0x7ffd6a4ece58, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd6a4ece48) at ../csu/libc-start.c:360
#30 0x0000562c26f83015 in  ()
```

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