https://bugs.kde.org/show_bug.cgi?id=435258
Bug ID: 435258
Summary: Sometimes kwin_wayland crashes when I change global
theme
Product: kwin
Version: git master
Platform: Neon Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: bugsefor...@gmx.com
Target Milestone: ---
STEPS TO REPRODUCE
1. open Global Theme KCM on Wayland
2. change global theme repeatedly
3.
OBSERVED RESULT
at some pont kwin_wayland will crash and all running apps will crash together.
EXPECTED RESULT
no crash
SOFTWARE/OS VERSIONS
Operating System: KDE neon Unstable Edition
KDE Plasma Version: 5.21.80
KDE Frameworks Version: 5.81.0
Qt Version: 5.15.2
Graphics Platform: Wayland
Thread 11 (Thread 0x7f63c4e84700 (LWP 7024)):
#0 futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f63c4e83c50, clockid=<optimized out>, expected=0,
futex_word=0x559ed0ac6324) at ../sysdeps/nptl/futex-internal.h:320
#1 __pthread_cond_wait_common (abstime=0x7f63c4e83c50, clockid=<optimized
out>, mutex=0x559ed0ac62d0, cond=0x559ed0ac62f8) at pthread_cond_wait.c:520
#2 __pthread_cond_timedwait (cond=cond@entry=0x559ed0ac62f8,
mutex=mutex@entry=0x559ed0ac62d0, abstime=abstime@entry=0x7f63c4e83c50) at
pthread_cond_wait.c:656
#3 0x00007f63ede15ce8 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x559ed0ac62d0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x559ed0ac62d0) at thread/qwaitcondition_unix.cpp:144
#5 QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x559ed0ac61c0, mutex=mutex@entry=0x559ed145aca8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6 0x00007f63ede131f1 in QThreadPoolThread::run() (this=0x559ed0ac61b0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x559ed0ac61b0) at
thread/qthread_unix.cpp:329
#8 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 10 (Thread 0x7f63d61ba700 (LWP 897)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559ed0bf2db8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559ed0bf2d68,
cond=0x559ed0bf2d90) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x559ed0bf2d90, mutex=0x559ed0bf2d68) at
pthread_cond_wait.c:638
#3 0x00007f63d7717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f63d7717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 9 (Thread 0x7f63d59b9700 (LWP 898)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559ed0bf2db8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559ed0bf2d68,
cond=0x559ed0bf2d90) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x559ed0bf2d90, mutex=0x559ed0bf2d68) at
pthread_cond_wait.c:638
#3 0x00007f63d7717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f63d7717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 8 (Thread 0x7f63c60c5700 (LWP 901)):
#0 0x00007f63ec557aff in __GI___poll (fds=0x7f63b4004e60, nfds=1, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f63eb8a236e in g_main_context_poll (priority=<optimized out>,
n_fds=1, fds=0x7f63b4004e60, timeout=<optimized out>, context=0x7f63b4000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f63b4000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f63eb8a24a3 in g_main_context_iteration (context=0x7f63b4000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f63ee04ffe2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f63b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007f63edff41eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f63c60c4cc0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f63ede0ea52 in QThread::exec() (this=this@entry=0x559ed1531210) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f63eae6bfa9 in QQmlThreadPrivate::run() (this=0x559ed1531210) at
qml/ftw/qqmlthread.cpp:155
#8 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x559ed1531210) at
thread/qthread_unix.cpp:329
#9 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 7 (Thread 0x7f63d71bc700 (LWP 895)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559ed0bf2dbc) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559ed0bf2d68,
cond=0x559ed0bf2d90) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x559ed0bf2d90, mutex=0x559ed0bf2d68) at
pthread_cond_wait.c:638
#3 0x00007f63d7717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f63d7717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 6 (Thread 0x7f63c690c700 (LWP 7023)):
#0 futex_abstimed_wait_cancelable (private=<optimized out>,
abstime=0x7f63c690bc50, clockid=<optimized out>, expected=0,
futex_word=0x559ed145af44) at ../sysdeps/nptl/futex-internal.h:320
#1 __pthread_cond_wait_common (abstime=0x7f63c690bc50, clockid=<optimized
out>, mutex=0x559ed145aef0, cond=0x559ed145af18) at pthread_cond_wait.c:520
#2 __pthread_cond_timedwait (cond=cond@entry=0x559ed145af18,
mutex=mutex@entry=0x559ed145aef0, abstime=abstime@entry=0x7f63c690bc50) at
pthread_cond_wait.c:656
#3 0x00007f63ede15ce8 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x559ed145aef0, deadline=...) at thread/qwaitcondition_unix.cpp:136
#4 QWaitConditionPrivate::wait(QDeadlineTimer) (deadline=...,
this=0x559ed145aef0) at thread/qwaitcondition_unix.cpp:144
#5 QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x559ed145a800, mutex=mutex@entry=0x559ed145aca8,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#6 0x00007f63ede131f1 in QThreadPoolThread::run() (this=0x559ed145a7f0) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#7 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x559ed145a7f0) at
thread/qthread_unix.cpp:329
#8 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f63d69bb700 (LWP 896)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x559ed0bf2db8) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x559ed0bf2d68,
cond=0x559ed0bf2d90) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x559ed0bf2d90, mutex=0x559ed0bf2d68) at
pthread_cond_wait.c:638
#3 0x00007f63d7717e6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#4 0x00007f63d7717a6b in () at /usr/lib/x86_64-linux-gnu/dri/i965_dri.so
#5 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#6 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f63e61aa700 (LWP 893)):
#0 0x00007f63ec557aff in __GI___poll (fds=0x7f63d8005240, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f63eb8a236e in g_main_context_poll (priority=<optimized out>,
n_fds=2, fds=0x7f63d8005240, timeout=<optimized out>, context=0x7f63d8000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f63d8000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f63eb8a24a3 in g_main_context_iteration (context=0x7f63d8000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f63ee04ffe2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f63d8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007f63edff41eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f63e61a9ce0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f63ede0ea52 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x559ed096a530) at
thread/qthread_unix.cpp:329
#8 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f63e6acb700 (LWP 892)):
#0 0x00007f63ec557aff in __GI___poll (fds=0x7f63e0018eb0, nfds=4, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f63eb8a236e in g_main_context_poll (priority=<optimized out>,
n_fds=4, fds=0x7f63e0018eb0, timeout=<optimized out>, context=0x7f63e0001ce0)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f63e0001ce0,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f63eb8a24a3 in g_main_context_iteration (context=0x7f63e0001ce0,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f63ee04ffe2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f63e0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007f63edff41eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f63e6acacb0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f63ede0ea52 in QThread::exec() (this=this@entry=0x7f63ee9fbd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f63ee977f4b in QDBusConnectionManager::run() (this=0x7f63ee9fbd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#8 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x7f63ee9fbd80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#9 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f63e59a9700 (LWP 894)):
#0 0x00007f63ec557aff in __GI___poll (fds=0x7f63dc004630, nfds=2, timeout=-1)
at ../sysdeps/unix/sysv/linux/poll.c:29
#1 0x00007f63eb8a236e in g_main_context_poll (priority=<optimized out>,
n_fds=2, fds=0x7f63dc004630, timeout=<optimized out>, context=0x7f63dc000c20)
at ../../../glib/gmain.c:4346
#2 g_main_context_iterate (context=context@entry=0x7f63dc000c20,
block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at
../../../glib/gmain.c:4042
#3 0x00007f63eb8a24a3 in g_main_context_iteration (context=0x7f63dc000c20,
may_block=may_block@entry=1) at ../../../glib/gmain.c:4108
#4 0x00007f63ee04ffe2 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f63dc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#5 0x00007f63edff41eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f63e59a8ce0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#6 0x00007f63ede0ea52 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#7 0x00007f63ede0fbec in QThreadPrivate::start(void*) (arg=0x559ed09756c0) at
thread/qthread_unix.cpp:329
#8 0x00007f63ec8e1609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007f63ec564293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f63e74e8d80 (LWP 891)):
#0 QtWaylandServer::org_kde_kwin_blur_manager::bind_func(wl_client*, void*,
unsigned int, unsigned int) (client=0x559ed1bb4f30, data=0x0, version=1,
id=179) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qglobal.h:663
#1 0x00007f63e7cd3ff5 in ffi_call_unix64 () at ../src/x86/unix64.S:101
#2 0x00007f63e7cd340a in ffi_call_int (cif=<optimized out>, fn=<optimized
out>, rvalue=<optimized out>, avalue=<optimized out>, closure=<optimized out>)
at ../src/x86/ffi64.c:669
#3 0x00007f63ea4fd628 in wl_closure_invoke
(closure=closure@entry=0x559ed12de6d0, flags=flags@entry=2, target=<optimized
out>, target@entry=0x559ed1a20e80, opcode=opcode@entry=0, data=<optimized out>,
data@entry=0x559ed1bb4f30) at ../src/connection.c:1018
#4 0x00007f63ea4f99e2 in wl_client_connection_data (fd=<optimized out>,
mask=<optimized out>, data=0x559ed1bb4f30) at ../src/wayland-server.c:432
#5 0x00007f63ea4fb65a in wl_event_loop_dispatch (loop=0x559ed09203c0,
timeout=timeout@entry=0) at ../src/event-loop.c:1027
#6 0x00007f63ecaee34c in KWaylandServer::Display::dispatchEvents()
(this=<optimized out>) at ./src/server/display.cpp:107
#7 0x00007f63ee02c6fe in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffddade4af0, r=0x559ed094aef0, this=0x559ed15d2c10) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#8 doActivate<false>(QObject*, int, void**) (sender=0x559ed093eca0,
signal_index=3, argv=0x7ffddade4af0) at kernel/qobject.cpp:3886
#9 0x00007f63ee025ac7 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x559ed093eca0, m=m@entry=0x7f63ee28fb40
<QSocketNotifier::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffddade4af0)
at kernel/qobject.cpp:3946
#10 0x00007f63ee030773 in QSocketNotifier::activated(QSocketDescriptor,
QSocketNotifier::Type, QSocketNotifier::QPrivateSignal)
(this=this@entry=0x559ed093eca0, _t1=..., _t2=<optimized out>, _t3=...) at
.moc/moc_qsocketnotifier.cpp:178
#11 0x00007f63ee030f13 in QSocketNotifier::event(QEvent*) (this=0x559ed093eca0,
e=0x7ffddade4dc0) at kernel/qsocketnotifier.cpp:302
#12 0x00007f63ecf3fdc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x559ed090cd90, receiver=receiver@entry=0x559ed093eca0,
e=e@entry=0x7ffddade4dc0) at kernel/qapplication.cpp:3632
#13 0x00007f63ecf48bb8 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffddade51d0, receiver=0x559ed093eca0, e=0x7ffddade4dc0) at
kernel/qapplication.cpp:3156
#14 0x00007f63edff56da in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x559ed093eca0, event=0x7ffddade4dc0) at
../../include/QtCore/5.15.2/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#15 0x00007f63ee04d20b in
QEventDispatcherUNIXPrivate::activateSocketNotifiers() (this=0x559ed0920e70) at
kernel/qeventdispatcher_unix.cpp:304
#16 0x00007f63ee04d66b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:511
#17 0x0000559ecf39d8e1 in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
()
#18 0x00007f63edff41eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffddade4f50, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#19 0x00007f63edffc394 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#20 0x0000559ecf32a281 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at ./src/main_wayland.cpp:802
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