https://bugs.kde.org/show_bug.cgi?id=365964
--- Comment #5 from Guo Yunhe (郭云鹤) <guoyunhebr...@gmail.com> --- Got it, here is it: Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7fcf1d707800 (LWP 14299))] Thread 5 (Thread 0x7fcf00b0e700 (LWP 14313)): #0 0x00007fcf1d094293 in select () at ../sysdeps/unix/syscall-template.S:81 #1 0x00007fcf1aec5179 in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) (nfds=16, fdread=0x7fcef8000a78, fdwrite=0x7fcef8000d08, fdexcept=0x7fcef8000f98, orig_timeout=0x0) at kernel/qcore_unix.cpp:75 #2 0x00007fcf1aec6af5 in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (this=this@entry=0x7fcef80008e0, flags=..., flags@entry=..., timeout=0x0) at kernel/qeventdispatcher_unix.cpp:196 #3 0x00007fcf1aec6f3b in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fcef80008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:607 #4 0x00007fcf1ae6fd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fcf00b0ddb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #5 0x00007fcf1ac9161a in QThread::exec() (this=this@entry=0xfb7350) at thread/qthread.cpp:503 #6 0x00007fcf15193e18 in QQmlThreadPrivate::run() (this=0xfb7350) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141 #7 0x00007fcf1ac9632f in QThreadPrivate::start(void*) (arg=0xfb7350) at thread/qthread_unix.cpp:331 #8 0x00007fcf1c6c70a4 in start_thread (arg=0x7fcf00b0e700) at pthread_create.c:309 #9 0x00007fcf1d09b02d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 4 (Thread 0x7fcef25aa700 (LWP 14315)): #0 0x00007fcf1c6cb03f in pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007fcf19c1986b in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7fcf19f00ea0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007fcf19c19899 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007fcf1c6c70a4 in start_thread (arg=0x7fcef25aa700) at pthread_create.c:309 #4 0x00007fcf1d09b02d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 3 (Thread 0x7fcef1374700 (LWP 24581)): #0 0x00007fcf1c6cb3e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (time=30000, this=0x188bab0) at thread/qwaitcondition_unix.cpp:126 #2 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (time=30000, this=0x188bab0) at thread/qwaitcondition_unix.cpp:134 #3 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0x181c950, mutex=mutex@entry=0xe30df0, time=30000) at thread/qwaitcondition_unix.cpp:208 #4 0x00007fcf1ac934e6 in QThreadPoolThread::run() (this=0x181c940) at thread/qthreadpool.cpp:127 #5 0x00007fcf1ac9632f in QThreadPrivate::start(void*) (arg=0x181c940) at thread/qthread_unix.cpp:331 #6 0x00007fcf1c6c70a4 in start_thread (arg=0x7fcef1374700) at pthread_create.c:309 #7 0x00007fcf1d09b02d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 2 (Thread 0x7fcf01af2700 (LWP 24582)): #0 0x00007fcf1c6cb3e8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238 #1 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (time=30000, this=0xe31050) at thread/qwaitcondition_unix.cpp:126 #2 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (time=30000, this=0xe31050) at thread/qwaitcondition_unix.cpp:134 #3 0x00007fcf1ac97298 in QWaitCondition::wait(QMutex*, unsigned long) (this=this@entry=0xe1fb20, mutex=mutex@entry=0xe30df0, time=30000) at thread/qwaitcondition_unix.cpp:208 #4 0x00007fcf1ac934e6 in QThreadPoolThread::run() (this=0xe1fb10) at thread/qthreadpool.cpp:127 #5 0x00007fcf1ac9632f in QThreadPrivate::start(void*) (arg=0xe1fb10) at thread/qthread_unix.cpp:331 #6 0x00007fcf1c6c70a4 in start_thread (arg=0x7fcf01af2700) at pthread_create.c:309 #7 0x00007fcf1d09b02d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 Thread 1 (Thread 0x7fcf1d707800 (LWP 14299)): [KCrash Handler] #6 0x00007fcf1cc6facd in KWin::SceneOpenGLShadow::~SceneOpenGLShadow() (this=0x1999890, __in_chrg=<optimized out>) at /usr/src/debug/kwin-5.5.5/scene_opengl.cpp:2210 #7 0x00007fcf1cc6fb89 in KWin::SceneOpenGLShadow::~SceneOpenGLShadow() (this=0x1999890, __in_chrg=<optimized out>) at /usr/src/debug/kwin-5.5.5/scene_opengl.cpp:2213 #8 0x00007fcf1aea2b18 in QObject::event(QEvent*) (this=0x1999890, e=<optimized out>) at kernel/qobject.cpp:1230 #9 0x00007fcf1bb55e7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0xcfb910, receiver=receiver@entry=0x1999890, e=e@entry=0x19996d0) at kernel/qapplication.cpp:3716 #10 0x00007fcf1bb5acc8 in QApplication::notify(QObject*, QEvent*) (this=0x7ffe8fb04ff0, receiver=0x1999890, e=0x19996d0) at kernel/qapplication.cpp:3499 #11 0x00007fcf1ae71e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffe8fb04ff0, receiver=0x1999890, event=event@entry=0x19996d0) at kernel/qcoreapplication.cpp:965 #12 0x00007fcf1ae74057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x19996d0, receiver=<optimized out>) at kernel/qcoreapplication.h:224 #13 0x00007fcf1ae74057 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0xceb4f0) at kernel/qcoreapplication.cpp:1593 #14 0x00007fcf1aec6ec4 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0xd4a450, flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:579 #15 0x00007fcf04ef733d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:62 #16 0x00007fcf1ae6fd53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe8fb04f20, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #17 0x00007fcf1ae778f6 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229 #18 0x00007fcf1b3bb8ec in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1529 #19 0x00007fcf1bb52605 in QApplication::exec() () at kernel/qapplication.cpp:2976 #20 0x00007fcf1d3639e7 in kdemain(int, char**) (argc=3, argv=0x7ffe8fb05158) at /usr/src/debug/kwin-5.5.5/main_x11.cpp:309 #21 0x00007fcf1cfd7b25 in __libc_start_main (main=0x400830 <main(int, char**)>, argc=3, argv=0x7ffe8fb05158, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe8fb05148) at libc-start.c:285 #22 0x000000000040085e in _start () at ../sysdeps/x86_64/start.S:122 -- You are receiving this mail because: You are watching all bug changes.
