https://bugs.kde.org/show_bug.cgi?id=361551
--- Comment #6 from jos poortvliet <jospoortvl...@gmail.com> --- How about this backtrace: ===================== Application: KWin (kwin_x11), signal: Segmentation fault Using host libthread_db library "/lib64/libthread_db.so.1". [Current thread is 1 (Thread 0x7f0cfb626940 (LWP 16487))] Thread 4 (Thread 0x7f0ce3105700 (LWP 16490)): #0 0x00007f0cfad9d43d in poll () at /lib64/libc.so.6 #1 0x00007f0cf8b06432 in () at /usr/lib64/libxcb.so.1 #2 0x00007f0cf8b08007 in xcb_wait_for_event () at /usr/lib64/libxcb.so.1 #3 0x00007f0ce39a9dd9 in QXcbEventReader::run() (this=0x1da6720) at qxcbconnection.cpp:1229 #4 0x00007f0cf8dc590f in QThreadPrivate::start(void*) (arg=0x1da6720) at thread/qthread_unix.cpp:331 #5 0x00007f0cfb068454 in start_thread () at /lib64/libpthread.so.0 #6 0x00007f0cfada5d8d in clone () at /lib64/libc.so.6 Thread 3 (Thread 0x7f0cdf7dc700 (LWP 16503)): #0 0x00007f0cfad9eab3 in select () at /lib64/libc.so.6 #1 0x00007f0cf8fe5dbf in qt_safe_select(int, fd_set*, fd_set*, fd_set*, timespec const*) (nfds=13, fdread=fdread@entry=0x203a148, fdwrite=fdwrite@entry=0x203a3d8, fdexcept=fdexcept@entry=0x203a668, orig_timeout=orig_timeout@entry=0x0) at kernel/qcore_unix.cpp:75 #2 0x00007f0cf8fe779b in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (timeout=0x0, exceptfds=0x203a668, writefds=0x203a3d8, readfds=0x203a148, nfds=<optimized out>, this=0x202aae0) at kernel/qeventdispatcher_unix.cpp:320 #3 0x00007f0cf8fe779b in QEventDispatcherUNIXPrivate::doSelect(QFlags<QEventLoop::ProcessEventsFlag>, timespec*) (this=this@entry=0x2039fb0, flags=..., flags@entry=..., timeout=timeout@entry=0x0) at kernel/qeventdispatcher_unix.cpp:196 #4 0x00007f0cf8fe7c96 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x202aae0, flags=...) at kernel/qeventdispatcher_unix.cpp:607 #5 0x00007f0cf8f945ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7f0cdf7dbc70, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #6 0x00007f0cf8dc0adc in QThread::exec() (this=this@entry=0x1f5ec30) at thread/qthread.cpp:503 #7 0x00007f0cf30d97b5 in QQmlThreadPrivate::run() (this=0x1f5ec30) at /usr/src/debug/qtdeclarative-opensource-src-5.5.1/src/qml/qml/ftw/qqmlthread.cpp:141 #8 0x00007f0cf8dc590f in QThreadPrivate::start(void*) (arg=0x1f5ec30) at thread/qthread_unix.cpp:331 #9 0x00007f0cfb068454 in start_thread () at /lib64/libpthread.so.0 #10 0x00007f0cfada5d8d in clone () at /lib64/libc.so.6 Thread 2 (Thread 0x7f0cdca02700 (LWP 16510)): #0 0x00007f0cfb06e02f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0 #1 0x00007f0cf7d4ba84 in QTWTF::TCMalloc_PageHeap::scavengerThread() (this=0x7f0cf8032ea0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359 #2 0x00007f0cf7d4bac9 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*) (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464 #3 0x00007f0cfb068454 in start_thread () at /lib64/libpthread.so.0 #4 0x00007f0cfada5d8d in clone () at /lib64/libc.so.6 Thread 1 (Thread 0x7f0cfb626940 (LWP 16487)): [KCrash Handler] #6 0x00007f0cf412ab60 in KWin::GLTexture::isNull() const (this=this@entry=0x0) at /usr/src/debug/kwin-5.6.1/libkwineffects/kwingltexture.cpp:319 #7 0x00007f0cf412bdc0 in KWin::GLTexture::update(QImage const&, QPoint const&, QRect const&) (this=0x0, image=..., offset=..., src=...) at /usr/src/debug/kwin-5.6.1/libkwineffects/kwingltexture.cpp:330 #8 0x00007f0cfa97b787 in KWin::SceneOpenGLDecorationRenderer::render() (rotated=true, offset=..., partRect=..., geo=..., __closure=<synthetic pointer>) at /usr/src/debug/kwin-5.6.1/scene_opengl.cpp:2468 #9 0x00007f0cfa97b787 in KWin::SceneOpenGLDecorationRenderer::render() (this=0x22ebeb0) at /usr/src/debug/kwin-5.6.1/scene_opengl.cpp:2470 #10 0x00007f0cfa97ba62 in KWin::SceneOpenGLDecorationRenderer::reparent(KWin::Deleted*) (this=0x22ebeb0, deleted=0x32b42f0) at /usr/src/debug/kwin-5.6.1/scene_opengl.cpp:2509 #11 0x00007f0cfa984781 in KWin::Deleted::copyToDeleted(KWin::Toplevel*) (this=this@entry=0x32b42f0, c=c@entry=0x1fb8880) at /usr/src/debug/kwin-5.6.1/deleted.cpp:101 #12 0x00007f0cfa9847d9 in KWin::Deleted::create(KWin::Toplevel*) (c=c@entry=0x1fb8880) at /usr/src/debug/kwin-5.6.1/deleted.cpp:63 #13 0x00007f0cfa8bc203 in KWin::Client::destroyClient() (this=this@entry=0x1fb8880) at /usr/src/debug/kwin-5.6.1/client.cpp:282 #14 0x00007f0cfa8fd03e in KWin::Client::unmapNotifyEvent(xcb_unmap_notify_event_t*) (this=0x1fb8880, e=<optimized out>) at /usr/src/debug/kwin-5.6.1/events.cpp:815 #15 0x00007f0cfa900853 in KWin::Client::windowEvent(xcb_generic_event_t*) (this=0x1fb8880, e=e@entry=0x2bc5b00) at /usr/src/debug/kwin-5.6.1/events.cpp:655 #16 0x00007f0cfa901bff in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) (this=0x1e83c30, e=0x2bc5b00) at /usr/src/debug/kwin-5.6.1/events.cpp:352 #17 0x00007f0cf8f9380f in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x2bc5b00, result=result@entry=0x7ffc1c095178) at kernel/qabstracteventdispatcher.cpp:460 #18 0x00007f0ce39ad7b4 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x1d9a890, event=event@entry=0x2bc5b00) at qxcbconnection.cpp:1020 #19 0x00007f0ce39ae53b in QXcbConnection::processXcbEvents() (this=0x1d9a890) at qxcbconnection.cpp:1504 #20 0x00007f0cf8fc4cf9 in QObject::event(QEvent*) (this=0x1d9a890, e=<optimized out>) at kernel/qobject.cpp:1239 #21 0x00007f0cf9c7987c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x1d8f2c0, receiver=receiver@entry=0x1d9a890, e=e@entry=0x316cb50) at kernel/qapplication.cpp:3716 #22 0x00007f0cf9c7e986 in QApplication::notify(QObject*, QEvent*) (this=0x7ffc1c095750, receiver=0x1d9a890, e=0x316cb50) at kernel/qapplication.cpp:3499 #23 0x00007f0cf8f96c83 in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffc1c095750, receiver=0x1d9a890, event=event@entry=0x316cb50) at kernel/qcoreapplication.cpp:965 #24 0x00007f0cf8f98fa6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x316cb50, receiver=<optimized out>) at kernel/qcoreapplication.h:224 #25 0x00007f0cf8f98fa6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1d7ea50) at kernel/qcoreapplication.cpp:1593 #26 0x00007f0cf8fe7b62 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x1ddf540, flags=flags@entry=...) at kernel/qeventdispatcher_unix.cpp:579 #27 0x00007f0ce3a0d66d in QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=<optimized out>, flags=...) at eventdispatchers/qunixeventdispatcher.cpp:62 #28 0x00007f0cf8f945ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffc1c095650, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204 #29 0x00007f0cf8f9c28d in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229 #30 0x00007f0cf94d253c in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1529 #31 0x00007f0cf9c75f25 in QApplication::exec() () at kernel/qapplication.cpp:2976 #32 0x00007f0cfb283c4f in kdemain(int, char**) (argc=3, argv=0x7ffc1c0958c8) at /usr/src/debug/kwin-5.6.1/main_x11.cpp:327 #33 0x00007f0cfacdc5b0 in __libc_start_main () at /lib64/libc.so.6 #34 0x0000000000400809 in _start () at ../sysdeps/x86_64/start.S:118 -- You are receiving this mail because: You are watching all bug changes.
