https://bugs.kde.org/show_bug.cgi?id=372305
Bug ID: 372305
Summary: kwin crash after disconnecting external monitor
(including resolution change)
Product: kwin
Version: 5.8.3
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: msch...@gentoo.org
Target Milestone: ---
Application: kwin_x11 (5.8.3)
(Compiled from sources)
Qt Version: 5.7.0
Frameworks Version: 5.28.0
Operating System: Linux 4.7.4-gentoo x86_64
Distribution: "Gentoo Base System release 2.3"
-- Information about the crash:
- What I was doing when the application crashed:
I plugged out my external monitor from my laptop. After that, kwin crashed
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9531b06840 (LWP 16831))]
Thread 8 (Thread 0x7f951130e700 (LWP 3266)):
#0 0x00007f95316bd01f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f952f156d9a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x27a1f30) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=this@entry=0x261b768,
mutex=mutex@entry=0x261b760, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3 0x00007f952a7f35f5 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x261b758) at scenegraph/qsgthreadedrenderloop.cpp:242
#4 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x261b6e0) at
scenegraph/qsgthreadedrenderloop.cpp:690
#5 0x00007f952a7f5a9a in QSGRenderThread::run (this=0x261b6e0) at
scenegraph/qsgthreadedrenderloop.cpp:719
#6 0x00007f952f15672c in QThreadPrivate::start (arg=0x261b6e0) at
thread/qthread_unix.cpp:344
#7 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#8 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 7 (Thread 0x7f9512dba700 (LWP 950)):
#0 0x00007f95316bd01f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f952f156d9a in QWaitConditionPrivate::wait
(time=18446744073709551615, this=0x2854e70) at
thread/qwaitcondition_unix.cpp:143
#2 QWaitCondition::wait (this=this@entry=0x28617c8,
mutex=mutex@entry=0x28617c0, time=time@entry=18446744073709551615) at
thread/qwaitcondition_unix.cpp:215
#3 0x00007f952a7f35f5 in QSGRenderThreadEventQueue::takeEvent (wait=true,
this=0x28617b8) at scenegraph/qsgthreadedrenderloop.cpp:242
#4 QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x2861740) at
scenegraph/qsgthreadedrenderloop.cpp:690
#5 0x00007f952a7f5a9a in QSGRenderThread::run (this=0x2861740) at
scenegraph/qsgthreadedrenderloop.cpp:719
#6 0x00007f952f15672c in QThreadPrivate::start (arg=0x2861740) at
thread/qthread_unix.cpp:344
#7 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#8 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 6 (Thread 0x7f94fdefb700 (LWP 949)):
#0 QTimerInfoList::timerWait (this=this@entry=0x7f94f8000980, tm=...) at
kernel/qtimerinfo_unix.cpp:413
#1 0x00007f952f342829 in QEventDispatcherUNIX::processEvents
(this=0x7f94f80008c0, flags=...) at kernel/qeventdispatcher_unix.cpp:480
#2 0x00007f952f2f87ba in QEventLoop::exec (this=this@entry=0x7f94fdefad60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#3 0x00007f952f1521a4 in QThread::exec (this=this@entry=0x274a5b0) at
thread/qthread.cpp:507
#4 0x00007f952a31fed5 in QQmlThreadPrivate::run (this=0x274a5b0) at
qml/ftw/qqmlthread.cpp:147
#5 0x00007f952f15672c in QThreadPrivate::start (arg=0x274a5b0) at
thread/qthread_unix.cpp:344
#6 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#7 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 5 (Thread 0x7f94fc8d9700 (LWP 16915)):
#0 0x00007f95316bd01f in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f952e50ca94 in QTWTF::TCMalloc_PageHeap::scavengerThread
(this=0x7f952e5fb180 <QTWTF::pageheap_memory>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:2359
#2 0x00007f952e50cad9 in QTWTF::TCMalloc_PageHeap::runScavengerThread
(context=<optimized out>) at
../3rdparty/javascriptcore/JavaScriptCore/wtf/FastMalloc.cpp:1464
#3 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#4 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f951236f700 (LWP 16880)):
#0 0x00007f95313f484d in poll () from /lib64/libc.so.6
#1 0x00007f952f340f2a in poll (__timeout=-1, __nfds=1, __fds=0x7f9500000ac8)
at /usr/include/bits/poll2.h:46
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f9500000ac8) at
kernel/qcore_unix.cpp:93
#3 qt_safe_poll (fds=0x7f9500000ac8, nfds=nfds@entry=1,
timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:112
#4 0x00007f952f34258d in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at kernel/qeventdispatcher_unix.cpp:495
#5 0x00007f952f2f87ba in QEventLoop::exec (this=this@entry=0x7f951236ed60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#6 0x00007f952f1521a4 in QThread::exec (this=this@entry=0x1efa090) at
thread/qthread.cpp:507
#7 0x00007f952a31fed5 in QQmlThreadPrivate::run (this=0x1efa090) at
qml/ftw/qqmlthread.cpp:147
#8 0x00007f952f15672c in QThreadPrivate::start (arg=0x1efa090) at
thread/qthread_unix.cpp:344
#9 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f9518d4b700 (LWP 16854)):
#0 0x00007f95313f484d in poll () from /lib64/libc.so.6
#1 0x00007f952f340f2a in poll (__timeout=-1, __nfds=1, __fds=0x7f950c00ab38)
at /usr/include/bits/poll2.h:46
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f950c00ab38) at
kernel/qcore_unix.cpp:93
#3 qt_safe_poll (fds=0x7f950c00ab38, nfds=nfds@entry=1,
timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:112
#4 0x00007f952f34258d in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at kernel/qeventdispatcher_unix.cpp:495
#5 0x00007f952f2f87ba in QEventLoop::exec (this=this@entry=0x7f9518d4ad50,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#6 0x00007f952f1521a4 in QThread::exec (this=this@entry=0x7f9531c8da00
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread.cpp:507
#7 0x00007f9531c1f335 in QDBusConnectionManager::run (this=0x7f9531c8da00
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:196
#8 0x00007f952f15672c in QThreadPrivate::start (arg=0x7f9531c8da00 <(anonymous
namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:344
#9 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#10 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f951aa15700 (LWP 16846)):
#0 0x00007f95313f484d in poll () from /lib64/libc.so.6
#1 0x00007f9530558882 in poll (__timeout=-1, __nfds=1, __fds=0x7f951aa14c80)
at /usr/include/bits/poll2.h:46
#2 _xcb_conn_wait (c=c@entry=0x1d9b490, cond=cond@entry=0x1d9b4d0,
vector=vector@entry=0x0, count=count@entry=0x0) at
/var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_conn.c:479
#3 0x00007f953055a66f in xcb_wait_for_event (c=0x1d9b490) at
/var/tmp/portage/x11-libs/libxcb-1.12-r2/work/libxcb-1.12/src/xcb_in.c:693
#4 0x00007f951b8f5ad9 in QXcbEventReader::run (this=0x1da95b0) at
qxcbconnection.cpp:1337
#5 0x00007f952f15672c in QThreadPrivate::start (arg=0x1da95b0) at
thread/qthread_unix.cpp:344
#6 0x00007f95316b7444 in start_thread () from /lib64/libpthread.so.0
#7 0x00007f95313fd92d in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f9531b06840 (LWP 16831)):
[KCrash Handler]
#6 KWin::ContrastEffect::uploadRegion (this=this@entry=0x230f550,
map=@0x7ffc7f3f49d8: 0x7f94fe08bee0, region=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects/backgroundcontrast/contrast.cpp:262
#7 0x00007f952e6cdae7 in KWin::ContrastEffect::uploadGeometry
(this=this@entry=0x230f550, vbo=vbo@entry=0x2050f50, region=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects/backgroundcontrast/contrast.cpp:280
#8 0x00007f952e6ce86e in KWin::ContrastEffect::doContrast
(this=this@entry=0x230f550, shape=..., screen=..., opacity=1) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects/backgroundcontrast/contrast.cpp:421
#9 0x00007f952e6cf116 in KWin::ContrastEffect::drawWindow
(this=this@entry=0x230f550, w=w@entry=0x23379e0, mask=mask@entry=10,
region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects/backgroundcontrast/contrast.cpp:400
#10 0x00007f9530fca621 in KWin::EffectsHandlerImpl::drawWindow (this=0x209f5e0,
w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:417
#11 0x00007f952e6494d2 in KWin::BlurEffect::drawWindow
(this=this@entry=0x20ad060, w=w@entry=0x23379e0, mask=mask@entry=10,
region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects/blur/blur.cpp:476
#12 0x00007f9530fca621 in KWin::EffectsHandlerImpl::drawWindow (this=0x209f5e0,
w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:417
#13 0x00007f9530f96ed1 in KWin::Scene::finalPaintWindow (this=<optimized out>,
w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene.cpp:601
#14 0x00007f9530fca4ca in KWin::EffectsHandlerImpl::paintWindow
(this=0x209f5e0, w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...)
at /var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:383
#15 0x00007f952eb2e6a1 in KWin::Effect::paintWindow (this=this@entry=0x230f550,
w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/libkwineffects/kwineffects.cpp:589
#16 0x00007f9530fca471 in KWin::EffectsHandlerImpl::paintWindow
(this=0x209f5e0, w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...)
at /var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:380
#17 0x00007f952eb2e6a1 in KWin::Effect::paintWindow (this=this@entry=0x20ad060,
w=w@entry=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/libkwineffects/kwineffects.cpp:589
#18 0x00007f9530fca471 in KWin::EffectsHandlerImpl::paintWindow
(this=0x209f5e0, w=0x23379e0, mask=mask@entry=10, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:380
#19 0x00007f9530f9d50b in KWin::Scene::paintWindow (this=this@entry=0x205af80,
w=0x222d0e0, mask=10, region=..., quads=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene.cpp:473
#20 0x00007f9530f9a278 in KWin::Scene::paintSimpleScreen
(this=this@entry=0x205af80, orig_mask=orig_mask@entry=8, region=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene.cpp:376
#21 0x00007f9530faf053 in KWin::SceneOpenGL2::paintSimpleScreen
(this=this@entry=0x205af80, mask=mask@entry=8, region=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene_opengl.cpp:1083
#22 0x00007f9530f9c8c5 in KWin::Scene::finalPaintScreen (this=0x205af80,
mask=mask@entry=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene.cpp:201
#23 0x00007f9530fca24f in KWin::EffectsHandlerImpl::paintScreen
(this=0x209f5e0, mask=mask@entry=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:340
#24 0x00007f952eb2e5cf in KWin::Effect::paintScreen (this=this@entry=0x230f550,
mask=mask@entry=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/libkwineffects/kwineffects.cpp:574
#25 0x00007f9530fca1fd in KWin::EffectsHandlerImpl::paintScreen
(this=0x209f5e0, mask=mask@entry=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:337
#26 0x00007f952eb2e5cf in KWin::Effect::paintScreen (this=this@entry=0x20ad060,
mask=mask@entry=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/libkwineffects/kwineffects.cpp:574
#27 0x00007f9530fca1fd in KWin::EffectsHandlerImpl::paintScreen
(this=0x209f5e0, mask=8, region=..., data=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/effects.cpp:337
#28 0x00007f9530f9c559 in KWin::Scene::paintScreen (this=this@entry=0x205af80,
mask=mask@entry=0x7ffc7f3f5650, damage=..., repaint=...,
updateRegion=updateRegion@entry=0x7ffc7f3f5620,
validRegion=validRegion@entry=0x7ffc7f3f5630, projection=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene.cpp:151
#29 0x00007f9530fb5809 in KWin::SceneOpenGL::paint (this=0x205af80, damage=...,
toplevels=...) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/scene_opengl.cpp:731
#30 0x00007f9530f8ef3a in KWin::Compositor::performCompositing (this=0x1e12dd0)
at /var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/composite.cpp:742
#31 0x00007f952f320f4b in QObject::event (this=0x1e12dd0, e=<optimized out>) at
kernel/qobject.cpp:1285
#32 0x00007f952fb4348c in QApplicationPrivate::notify_helper (this=<optimized
out>, receiver=0x1e12dd0, e=0x7ffc7f3f5aa0) at kernel/qapplication.cpp:3799
#33 0x00007f952fb4a970 in QApplication::notify (this=0x7ffc7f3f5d40,
receiver=0x1e12dd0, e=0x7ffc7f3f5aa0) at kernel/qapplication.cpp:3556
#34 0x00007f952f2f9ae0 in QCoreApplication::notifyInternal2
(receiver=0x1e12dd0, event=event@entry=0x7ffc7f3f5aa0) at
kernel/qcoreapplication.cpp:988
#35 0x00007f952f3445be in QCoreApplication::sendEvent (event=0x7ffc7f3f5aa0,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#36 QTimerInfoList::activateTimers (this=this@entry=0x1de64c0) at
kernel/qtimerinfo_unix.cpp:644
#37 0x00007f952f34148c in QEventDispatcherUNIXPrivate::activateTimers
(this=this@entry=0x1de6420) at kernel/qeventdispatcher_unix.cpp:249
#38 0x00007f952f342760 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=..., flags@entry=...) at kernel/qeventdispatcher_unix.cpp:509
#39 0x00007f951b96047d in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at
eventdispatchers/qunixeventdispatcher.cpp:68
#40 0x00007f952f2f87ba in QEventLoop::exec (this=this@entry=0x7ffc7f3f5c30,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:210
#41 0x00007f952f3002ec in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1261
#42 0x00007f952f62e98c in QGuiApplication::exec () at
kernel/qguiapplication.cpp:1639
#43 0x00007f952fb433e5 in QApplication::exec () at kernel/qapplication.cpp:2975
#44 0x00007f95318d51fb in kdemain (argc=1, argv=0x7ffc7f3f5ec8) at
/var/tmp/portage/kde-plasma/kwin-5.8.3/work/kwin-5.8.3/main_x11.cpp:466
#45 0x00007f9531336790 in __libc_start_main () from /lib64/libc.so.6
#46 0x00000000004007b9 in _start ()
Possible duplicates by query: bug 356620.
Reported using DrKonqi
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