Application: kwin_x11 (5.14.0)

Qt Version: 5.11.1
Frameworks Version: 5.50.0
Operating System: Linux 4.18.14-041814-generic x86_64
Distribution: KDE neon User Edition 5.14

-- Information about the crash:
When I logged in kwin crashed and Viber does not had window decoration like maximize, minimize, close frame.

-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f869e151840 (LWP 3838))]

Thread 4 (Thread 0x7f866a1f7700 (LWP 3950)):
#0  0x00007f8696af39f3 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f869a093fb8 <QTWTF::pageheap_memory+57592>) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f869a093f68 <QTWTF::pageheap_memory+57512>, cond=0x7f869a093f90 <QTWTF::pageheap_memory+57552>) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=0x7f869a093f90 <QTWTF::pageheap_memory+57552>, mutex=0x7f869a093f68 <QTWTF::pageheap_memory+57512>) at pthread_cond_wait.c:655
#3  0x00007f8699d9e954 in QTWTF::TCMalloc_PageHeap::scavengerThread (this=0x7f869a085ec0 <QTWTF::pageheap_memory>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#4  0x00007f8699d9e999 in QTWTF::TCMalloc_PageHeap::runScavengerThread (context=<optimized out>) at ../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#5  0x00007f8696aed6db in start_thread (arg=0x7f866a1f7700) at pthread_create.c:463
#6  0x00007f869dab588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f8677fff700 (LWP 3911)):
#0  0x00007f869daa8cf6 in __GI_ppoll (fds=fds@entry=0x7f866c000d28, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f869ae887a1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f866c000d28) at kernel/qcore_unix.cpp:112
#3  qt_safe_poll (fds=0x7f866c000d28, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#4  0x00007f869ae89eae in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f869ae30dea in QEventLoop::exec (this=this@entry=0x7f8677ffed40, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f869ac5bb8a in QThread::exec (this=this@entry=0x55bd1467def0) at thread/qthread.cpp:525
#7  0x00007f869557a8b5 in QQmlThreadPrivate::run (this=0x55bd1467def0) at qml/ftw/qqmlthread.cpp:148
#8  0x00007f869ac66aab in QThreadPrivate::start (arg=0x55bd1467def0) at thread/qthread_unix.cpp:367
#9  0x00007f8696aed6db in start_thread (arg=0x7f8677fff700) at pthread_create.c:463
#10 0x00007f869dab588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f867e5e1700 (LWP 3857)):
#0  0x00007f869daa8cf6 in __GI_ppoll (fds=fds@entry=0x7f867800b228, nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0, sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
#1  0x00007f869ae887a1 in ppoll (__ss=<optimized out>, __timeout=<optimized out>, __nfds=<optimized out>, __fds=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2  qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f867800b228) at kernel/qcore_unix.cpp:112
#3  qt_safe_poll (fds=0x7f867800b228, nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:133
#4  0x00007f869ae89eae in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:500
#5  0x00007f869ae30dea in QEventLoop::exec (this=this@entry=0x7f867e5e0d30, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#6  0x00007f869ac5bb8a in QThread::exec (this=this@entry=0x7f86946e4d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread.cpp:525
#7  0x00007f869446ce45 in QDBusConnectionManager::run (this=0x7f86946e4d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:178
#8  0x00007f869ac66aab in QThreadPrivate::start (arg=0x7f86946e4d60 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:367
#9  0x00007f8696aed6db in start_thread (arg=0x7f867e5e1700) at pthread_create.c:463
#10 0x00007f869dab588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f869e151840 (LWP 3838)):
[KCrash Handler]
#6  KWin::ContrastEffect::uploadRegion (this=this@entry=0x55bd14728520, map=@0x7ffe54cdb458: 0x7f867538a3a0, region=...) at ./effects/backgroundcontrast/contrast.cpp:281
#7  0x00007f869a3a7eb4 in KWin::ContrastEffect::uploadGeometry (this=this@entry=0x55bd14728520, vbo=vbo@entry=0x55bd14808100, region=...) at ./effects/backgroundcontrast/contrast.cpp:299
#8  0x00007f869a3a9415 in KWin::ContrastEffect::doContrast (this=this@entry=0x55bd14728520, w=w@entry=0x55bd14ab2360, shape=..., screen=..., opacity=0, screenProjection=...) at ./effects/backgroundcontrast/contrast.cpp:442
#9  0x00007f869a3a9e0b in KWin::ContrastEffect::drawWindow (this=this@entry=0x55bd14728520, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects/backgroundcontrast/contrast.cpp:419
#10 0x00007f869d6131fe in KWin::EffectsHandlerImpl::drawWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:456
#11 0x00007f869a317c75 in KWin::BlurEffect::drawWindow (this=this@entry=0x55bd1461d200, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects/blur/blur.cpp:567
#12 0x00007f869d6131fe in KWin::EffectsHandlerImpl::drawWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:456
#13 0x00007f869a608ff0 in KWin::Effect::drawWindow (this=this@entry=0x55bd148abb30, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwineffects.cpp:629
#14 0x00007f869d6131fe in KWin::EffectsHandlerImpl::drawWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:456
#15 0x00007f869a608ff0 in KWin::Effect::drawWindow (this=this@entry=0x55bd1459c0a0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwineffects.cpp:629
#16 0x00007f869d6131fe in KWin::EffectsHandlerImpl::drawWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:456
#17 0x00007f869d6001a0 in KWin::Scene::finalPaintWindow (this=this@entry=0x55bd1472d4b0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./scene.cpp:604
#18 0x00007f869d61308d in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:422
#19 0x00007f869a39bcea in KWin::KscreenEffect::paintWindow (this=this@entry=0x55bd14899400, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects/kscreen/kscreen.cpp:127
#20 0x00007f869d61302e in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:419
#21 0x00007f869a608e80 in KWin::Effect::paintWindow (this=this@entry=0x55bd14728520, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwineffects.cpp:599
#22 0x00007f869d61302e in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:419
#23 0x00007f869a608e80 in KWin::Effect::paintWindow (this=this@entry=0x55bd1461d200, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwineffects.cpp:599
#24 0x00007f869d61302e in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:419
#25 0x00007f869a6163f7 in KWin::AnimationEffect::paintWindow (this=this@entry=0x55bd148abb30, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwinanimationeffect.cpp:644
#26 0x00007f869d61302e in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:419
#27 0x00007f869a6163f7 in KWin::AnimationEffect::paintWindow (this=this@entry=0x55bd1459c0a0, w=w@entry=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./libkwineffects/kwinanimationeffect.cpp:644
#28 0x00007f869d61302e in KWin::EffectsHandlerImpl::paintWindow (this=this@entry=0x55bd1483ead0, w=0x55bd14ab2360, mask=mask@entry=10, region=..., data=...) at ./effects.cpp:419
#29 0x00007f869d606272 in KWin::Scene::paintWindow (this=this@entry=0x55bd1472d4b0, w=0x7f868000ac50, mask=10, region=..., quads=...) at ./scene.cpp:476
#30 0x00007f869d604fec in KWin::Scene::paintSimpleScreen (this=this@entry=0x55bd1472d4b0, orig_mask=orig_mask@entry=8, region=...) at ./scene.cpp:374
#31 0x00007f86767d7c82 in KWin::SceneOpenGL2::paintSimpleScreen (this=this@entry=0x55bd1472d4b0, mask=mask@entry=8, region=...) at ./plugins/scenes/opengl/scene_opengl.cpp:1053
#32 0x00007f869d605807 in KWin::Scene::finalPaintScreen (this=this@entry=0x55bd1472d4b0, mask=mask@entry=8, region=..., data=...) at ./scene.cpp:199
#33 0x00007f869d612de5 in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=mask@entry=8, region=..., data=...) at ./effects.cpp:379
#34 0x00007f869a608dd1 in KWin::Effect::paintScreen (this=this@entry=0x55bd14899400, mask=mask@entry=8, region=..., data=...) at ./libkwineffects/kwineffects.cpp:584
#35 0x00007f869d612d8d in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=mask@entry=8, region=..., data=...) at ./effects.cpp:376
#36 0x00007f869a608dd1 in KWin::Effect::paintScreen (this=this@entry=0x55bd14728520, mask=mask@entry=8, region=..., data=...) at ./libkwineffects/kwineffects.cpp:584
#37 0x00007f869d612d8d in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=mask@entry=8, region=..., data=...) at ./effects.cpp:376
#38 0x00007f869a608dd1 in KWin::Effect::paintScreen (this=this@entry=0x55bd1461d200, mask=mask@entry=8, region=..., data=...) at ./libkwineffects/kwineffects.cpp:584
#39 0x00007f869d612d8d in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=mask@entry=8, region=..., data=...) at ./effects.cpp:376
#40 0x00007f869a608dd1 in KWin::Effect::paintScreen (this=this@entry=0x55bd148abb30, mask=mask@entry=8, region=..., data=...) at ./libkwineffects/kwineffects.cpp:584
#41 0x00007f869d612d8d in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=mask@entry=8, region=..., data=...) at ./effects.cpp:376
#42 0x00007f869a608dd1 in KWin::Effect::paintScreen (this=this@entry=0x55bd1459c0a0, mask=mask@entry=8, region=..., data=...) at ./libkwineffects/kwineffects.cpp:584
#43 0x00007f869d612d8d in KWin::EffectsHandlerImpl::paintScreen (this=this@entry=0x55bd1483ead0, mask=8, region=..., data=...) at ./effects.cpp:376
#44 0x00007f869d6054fe in KWin::Scene::paintScreen (this=this@entry=0x55bd1472d4b0, mask=mask@entry=0x7ffe54cdc750, damage=..., repaint=..., updateRegion=updateRegion@entry=0x7ffe54cdc738, validRegion=validRegion@entry=0x7ffe54cdc740, projection=..., outputGeometry=...) at ./scene.cpp:149
#45 0x00007f86767dddf1 in KWin::SceneOpenGL::paint (this=this@entry=0x55bd1472d4b0, damage=..., toplevels=...) at ./plugins/scenes/opengl/scene_opengl.cpp:702
#46 0x00007f869d5f7bf2 in KWin::Compositor::performCompositing (this=0x55bd14556c30) at ./composite.cpp:745
#47 0x00007f869ae625fb in QObject::event (this=0x55bd14556c30, e=<optimized out>) at kernel/qobject.cpp:1273
#48 0x00007f869bbbfe8c in QApplicationPrivate::notify_helper (this=this@entry=0x55bd144f58a0, receiver=receiver@entry=0x55bd14556c30, e=e@entry=0x7ffe54cdcb90) at kernel/qapplication.cpp:3727
#49 0x00007f869bbc745f in QApplication::notify (this=0x7ffe54cdce40, receiver=0x55bd14556c30, e=0x7ffe54cdcb90) at kernel/qapplication.cpp:3486
#50 0x00007f869ae32ab8 in QCoreApplication::notifyInternal2 (receiver=0x55bd14556c30, event=event@entry=0x7ffe54cdcb90) at kernel/qcoreapplication.cpp:1048
#51 0x00007f869ae8bf0e in QCoreApplication::sendEvent (event=0x7ffe54cdcb90, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#52 QTimerInfoList::activateTimers (this=this@entry=0x55bd14535850) at kernel/qtimerinfo_unix.cpp:643
#53 0x00007f869ae8933c in QEventDispatcherUNIXPrivate::activateTimers (this=this@entry=0x55bd145357b0) at kernel/qeventdispatcher_unix.cpp:249
#54 0x00007f869ae8a112 in QEventDispatcherUNIX::processEvents (this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:514
#55 0x00007f86863a216d in QUnixEventDispatcherQPA::processEvents (this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:68
#56 0x00007f869ae30dea in QEventLoop::exec (this=this@entry=0x7ffe54cdcd50, flags=..., flags@entry=...) at kernel/qeventloop.cpp:214
#57 0x00007f869ae39fa0 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1336
#58 0x00007f869dd8ddab in kdemain (argc=<optimized out>, argv=0x7ffe54cdcfd8) at ./main_x11.cpp:468
#59 0x00007f869d9b5b97 in __libc_start_main (main=0x55bd1302f720 <main>, argc=3, argv=0x7ffe54cdcfd8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffe54cdcfc8) at ../csu/libc-start.c:310
#60 0x000055bd1302f75a in _start ()

Possible duplicates by query: bug 396273, bug 396264, bug 396227.

Reported using DrKonqi