https://bugs.kde.org/show_bug.cgi?id=440318
Bug ID: 440318
Summary: KWin crashes inside updateOffscreenTexture upon
alt+tab
Product: kwin
Version: unspecified
Platform: Neon Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: k...@david-redondo.de
Target Milestone: ---
Application: kwin_x11 (5.22.80)
Qt Version: 5.15.3
Frameworks Version: 5.85.0
Operating System: Linux 5.8.0-63-generic x86_64
Windowing System: X11
Distribution: KDE neon Unstable Edition
DrKonqi: 5.22.80 [CoredumpBackend]
-- Information about the crash:
Kwin crashed after pressing alt tab
Does not happen always but happened multiple times today
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
[New LWP 21622]
[New LWP 21647]
[New LWP 21664]
[New LWP 21655]
[New LWP 21636]
[New LWP 21813]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/kwin_x11 --crashes 1'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 __GI_raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
[Current thread is 1 (Thread 0x7f899bc909c0 (LWP 21622))]
__preamble__
[Current thread is 1 (Thread 0x7f899bc909c0 (LWP 21622))]
Thread 6 (Thread 0x7f899229b700 (LWP 21813)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x5627bad0d780) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x5627bad0d730,
cond=0x5627bad0d758) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x5627bad0d758, mutex=0x5627bad0d730) at
pthread_cond_wait.c:647
#3 0x00007f89a1f69f2b in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x5627bad0d730) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=this@entry=0x5627bad0d618, mutex=mutex@entry=0x5627bad0d610,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5 0x00007f89a05d1b44 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x5627bad0d608) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6 QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x5627bad0d570) at scenegraph/qsgthreadedrenderloop.cpp:936
#7 0x00007f89a05d1fb9 in QSGRenderThread::run() (this=0x5627bad0d570) at
scenegraph/qsgthreadedrenderloop.cpp:1053
#8 0x00007f89a1f63dbc in QThreadPrivate::start(void*) (arg=0x5627bad0d570) at
thread/qthread_unix.cpp:329
#9 0x00007f899fd8e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f89a1378293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7f899377d700 (LWP 21636)):
#0 0x00007f89a136bbf6 in __ppoll (fds=fds@entry=0x7f898c0098b8,
nfds=nfds@entry=3, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007f89a21a0ec9 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=3, fds=0x7f898c0098b8) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=3, fds=0x7f898c0098b8) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7f898c0098b8,
nfds=3, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5 0x00007f89a21a2573 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007f89a214925b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f899377cbb0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007f89a1f62c22 in QThread::exec() (this=this@entry=0x7f89a1e94d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007f89a1e10f4b in QDBusConnectionManager::run() (this=0x7f89a1e94d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#9 0x00007f89a1f63dbc in QThreadPrivate::start(void*) (arg=0x7f89a1e94d80
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:329
#10 0x00007f899fd8e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f89a1378293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7f8981e99700 (LWP 21655)):
#0 0x00007f89a136bbf6 in __ppoll (fds=fds@entry=0x7f8968000d98,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007f89a21a0ec9 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=0x7f8968000d98) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f8968000d98) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7f8968000d98,
nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5 0x00007f89a21a2573 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007f89a214925b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f8981e98be0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007f89a1f62c22 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007f89a1f63dbc in QThreadPrivate::start(void*) (arg=0x7f899400bb90) at
thread/qthread_unix.cpp:329
#9 0x00007f899fd8e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007f89a1378293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7f8964c2d700 (LWP 21664)):
#0 0x00007f89a136e12b in __GI___select (nfds=42, readfds=0x7f8964c2cba0,
writefds=0x0, exceptfds=0x0, timeout=0x7f8964c2cb90) at
../sysdeps/unix/sysv/linux/select.c:41
#1 0x00007f8998deb981 in () at
/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.91.03
#2 0x00007f8998de946a in () at
/usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.91.03
#3 0x00007f899fd8e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#4 0x00007f89a1378293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7f89837fe700 (LWP 21647)):
#0 0x00007f89a136bbf6 in __ppoll (fds=fds@entry=0x7f8970000d78,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007f89a21a0ec9 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=0x7f8970000d78) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7f8970000d78) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll(pollfd*, unsigned long, timespec const*) (fds=0x7f8970000d78,
nfds=1, timeout_ts=timeout_ts@entry=0x0) at kernel/qcore_unix.cpp:155
#5 0x00007f89a21a2573 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007f89a214925b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f89837fdbc0, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007f89a1f62c22 in QThread::exec() (this=this@entry=0x7f899400fef0) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007f89a0257559 in QQmlThreadPrivate::run() (this=0x7f899400fef0) at
qml/ftw/qqmlthread.cpp:155
#9 0x00007f89a1f63dbc in QThreadPrivate::start(void*) (arg=0x7f899400fef0) at
thread/qthread_unix.cpp:329
#10 0x00007f899fd8e609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007f89a1378293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7f899bc909c0 (LWP 21622)):
[KCrash Handler]
#3 0x00007f89a2534a5c in QWindow::devicePixelRatio() const (this=0x0) at
kernel/qwindow.cpp:1310
#4 0x00007f89a2df6fba in KWin::WindowThumbnailItem::updateOffscreenTexture()
(this=0x7f8994019a40) at ./src/scripting/thumbnailitem.cpp:342
#5 0x00007f89a218177e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff48344880, r=0x7f8994019a40, this=0x5627ba803020) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#6 doActivate<false>(QObject*, int, void**) (sender=0x5627ba3c1390,
signal_index=3, argv=0x7fff48344880) at kernel/qobject.cpp:3886
#7 0x00007f89a217ab47 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x5627ba3c1390, m=m@entry=0x7f89a2f7cc40
<KWin::Scene::staticMetaObject>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x0) at kernel/qobject.cpp:3946
#8 0x00007f89a2cb0444 in KWin::Scene::frameRendered()
(this=this@entry=0x5627ba3c1390) at
./obj-x86_64-linux-gnu/src/kwin_autogen/EWIEGA46WW/moc_scene.cpp:166
#9 0x00007f89a2dc8f88 in KWin::Scene::paintScreen(int*, QRegion const&,
QRegion const&, QRegion*, QRegion*, KWin::RenderLoop*, QMatrix4x4 const&)
(this=this@entry=0x5627ba3c1390, mask=mask@entry=0x7fff48344a3c, damage=...,
repaint=..., updateRegion=updateRegion@entry=0x7fff48344a40,
validRegion=validRegion@entry=0x7fff48344a48, renderLoop=0x5627b9fa8280,
projection=...) at ./src/scene.cpp:196
#10 0x00007f899010571f in KWin::SceneOpenGL::paint(int, QRegion const&,
QList<KWin::Toplevel*> const&, KWin::RenderLoop*) (this=0x5627ba3c1390,
screenId=-1, damage=..., toplevels=..., renderLoop=0x5627b9fa8280) at
./src/plugins/scenes/opengl/scene_opengl.h:101
#11 0x00007f89a2cff308 in KWin::Compositor::composite(KWin::RenderLoop*)
(this=this@entry=0x5627ba002bd0, renderLoop=renderLoop@entry=0x5627b9fa8280) at
./src/composite.cpp:620
#12 0x00007f89a2cff70a in KWin::X11Compositor::composite(KWin::RenderLoop*)
(this=0x5627ba002bd0, renderLoop=<optimized out>) at ./src/composite.cpp:828
#13 0x00007f89a218177e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff48344d40, r=0x5627ba002bd0, this=0x5627ba3e6e40) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#14 doActivate<false>(QObject*, int, void**) (sender=0x5627b9fa8280,
signal_index=5, argv=0x7fff48344d40) at kernel/qobject.cpp:3886
#15 0x00007f89a217ab47 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=<optimized out>, m=m@entry=0x7f89a2f7ccc0
<KWin::RenderLoop::staticMetaObject>,
local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7fff48344d40)
at kernel/qobject.cpp:3946
#16 0x00007f89a2cb5146 in KWin::RenderLoop::frameRequested(KWin::RenderLoop*)
(this=<optimized out>, _t1=<optimized out>) at
./obj-x86_64-linux-gnu/src/kwin_autogen/EWIEGA46WW/moc_renderloop.cpp:206
#17 0x00007f89a2db7227 in KWin::RenderLoopPrivate::dispatch()
(this=0x5627b9fa8360) at ./src/renderloop.cpp:162
#18 0x00007f89a218177e in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7fff48344e70, r=0x5627b9fa8280, this=0x5627b9fa8470) at
../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#19 doActivate<false>(QObject*, int, void**) (sender=0x5627b9fa8378,
signal_index=3, argv=0x7fff48344e70) at kernel/qobject.cpp:3886
#20 0x00007f89a217ab47 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=<optimized out>, m=m@entry=0x7f89a23e6c80
<QTimer::staticMetaObject>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x7fff48344e70) at kernel/qobject.cpp:3946
#21 0x00007f89a21862be in QTimer::timeout(QTimer::QPrivateSignal)
(this=<optimized out>, _t1=...) at .moc/moc_qtimer.cpp:205
#22 0x00007f89a2178215 in QObject::event(QEvent*) (this=0x5627b9fa8378,
e=0x7fff483451a0) at kernel/qobject.cpp:1336
#23 0x00007f89a17a0dc3 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x5627b9d69940, receiver=receiver@entry=0x5627b9fa8378,
e=e@entry=0x7fff483451a0) at kernel/qapplication.cpp:3632
#24 0x00007f89a17a9bb8 in QApplication::notify(QObject*, QEvent*)
(this=0x7fff48345430, receiver=0x5627b9fa8378, e=0x7fff483451a0) at
kernel/qapplication.cpp:3156
#25 0x00007f89a214a75a in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x5627b9fa8378, event=0x7fff483451a0) at
../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#26 0x00007f89a21a4300 in QTimerInfoList::activateTimers()
(this=this@entry=0x5627b9d6fd18) at kernel/qtimerinfo_unix.cpp:643
#27 0x00007f89a21a19d0 in QEventDispatcherUNIXPrivate::activateTimers()
(this=this@entry=0x5627b9d6fc90) at kernel/qeventdispatcher_unix.cpp:249
#28 0x00007f89a21a26c7 in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=<optimized out>, flags=...) at kernel/qeventdispatcher_unix.cpp:516
#29 0x00007f899b7fc232 in
QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x5627b9e7a940, flags=...) at qxcbeventdispatcher.cpp:60
#30 0x00007f89a214925b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fff48345340, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#31 0x00007f89a2151414 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#32 0x00005627b91d2ae3 in main(int, char**) (argc=<optimized out>,
argv=0x7fff483455e8) at ./src/main_x11.cpp:483
Possible duplicates by query: bug 439681, bug 439208, bug 438789, bug 437761,
bug 437352.
Reported using DrKonqi
--
You are receiving this mail because:
You are watching all bug changes.
