Bug 438949

Summary: Latte dock crash after "desktop effects restart"
Product: [Plasma] lattedock Reporter: bertil.bonus
Component: applicationAssignee: Michail Vourlakos <mvourlakos>
Status: RESOLVED WORKSFORME    
Severity: crash CC: nate
Priority: NOR Keywords: drkonqi
Version: unspecified   
Target Milestone: ---   
Platform: Neon   
OS: Linux   
Latest Commit: Version Fixed In:
Sentry Crash Report:

Description bertil.bonus 2021-06-20 14:11:27 UTC 
Application: latte-dock (0.9.12)

Qt Version: 5.15.3
Frameworks Version: 5.83.0
Operating System: Linux 5.8.0-55-generic x86_64
Windowing System: X11
Drkonqi Version: 5.22.1
Distribution: KDE neon User Edition 5.22

-- Information about the crash:
- Unusual behavior I noticed:

Plasma says "Desktop effects restarted" after comning out of of sleep.

The crash can be reproduced sometimes.

-- Backtrace:
Application: Latte Dock (latte-dock), signal: Segmentation fault

[New LWP 2584]
[New LWP 2620]
[New LWP 2668]
[New LWP 2688]
[New LWP 2693]
[New LWP 2708]
[New LWP 2710]
[New LWP 2747]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9eccd252a4) at ../sysdeps/nptl/futex-internal.h:183
[Current thread is 1 (Thread 0x7f9efec1a8c0 (LWP 2526))]

Thread 9 (Thread 0x7f9ea68be700 (LWP 2747)):
[KCrash Handler]
#4  0x00007f9f035c7c48 in QScreen::handle (this=0x563bdf8bc250) at kernel/qscreen.cpp:182
#5  0x00007f9efe1d89de in QXcbIntegration::createPlatformOpenGLContext (this=<optimized out>, context=0x563be074de00) at qxcbintegration.cpp:277
#6  0x00007f9f035e5f01 in QOpenGLContext::create (this=0x563be074de00) at ../../include/QtGui/5.15.3/QtGui/private/../../../../../src/gui/kernel/qguiapplication_p.h:110
#7  0x00007f9f04cc7cb8 in QSGRenderThread::sync (this=this@entry=0x563be1a63f00, inExpose=inExpose@entry=true, inGrab=inGrab@entry=false) at scenegraph/qsgthreadedrenderloop.cpp:620
#8  0x00007f9f04cc9d67 in QSGRenderThread::syncAndRender (this=0x563be1a63f00, grabImage=0x0) at scenegraph/qsgthreadedrenderloop.cpp:778
#9  0x00007f9f04ccdf77 in QSGRenderThread::run (this=0x563be1a63f00) at scenegraph/qsgthreadedrenderloop.cpp:1043
#10 0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563be1a63f00) at thread/qthread_unix.cpp:329
#11 0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f9ea79ff700 (LWP 2710)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563be1b643c0) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563be1b64370, cond=0x563be1b64398) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563be1b64398, mutex=0x563be1b64370) at pthread_cond_wait.c:647
#3  0x00007f9f02e74ebb in QWaitConditionPrivate::wait (deadline=..., this=0x563be1b64370) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x563be1b64928, mutex=mutex@entry=0x563be1b64920, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9f04ccdb44 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x563be1b64918) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x563be1b64880) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f9f04ccdfb9 in QSGRenderThread::run (this=0x563be1b64880) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563be1b64880) at thread/qthread_unix.cpp:329
#9  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f9ec8efa700 (LWP 2708)):
#0  0x00007f9f02994aff in __GI___poll (fds=0x7f9ea0004240, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f0102636e in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f010264a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f030afb3b in QEventDispatcherGlib::processEvents (this=0x7f9ea0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f9f03053dcb in QEventLoop::exec (this=this@entry=0x7f9ec8ef9cc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#5  0x00007f9f02e6dbb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#6  0x00007f9f04951559 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#7  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563bdfb4e050) at thread/qthread_unix.cpp:329
#8  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#9  0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f9ec97fb700 (LWP 2693)):
#0  0x00007f9f0299712b in __GI___select (nfds=59, readfds=0x7f9ec97faca0, writefds=0x0, exceptfds=0x0, timeout=0x7f9ec97fac90) at ../sysdeps/unix/sysv/linux/select.c:41
#1  0x00007f9ef6e69991 in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.84
#2  0x00007f9ef6e6747a in ?? () from /usr/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.84
#3  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#4  0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f9ed19bd700 (LWP 2688)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x563be0c62714) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x563be0c626c0, cond=0x563be0c626e8) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x563be0c626e8, mutex=0x563be0c626c0) at pthread_cond_wait.c:647
#3  0x00007f9f02e74ebb in QWaitConditionPrivate::wait (deadline=..., this=0x563be0c626c0) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=this@entry=0x563be0bb48d8, mutex=mutex@entry=0x563be0bb48d0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9f04ccdb44 in QSGRenderThreadEventQueue::takeEvent (wait=true, this=0x563be0bb48c8) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  QSGRenderThread::processEventsAndWaitForMore (this=this@entry=0x563be0bb4830) at scenegraph/qsgthreadedrenderloop.cpp:936
#7  0x00007f9f04ccdfb9 in QSGRenderThread::run (this=0x563be0bb4830) at scenegraph/qsgthreadedrenderloop.cpp:1053
#8  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563be0bb4830) at thread/qthread_unix.cpp:329
#9  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f9eefa7f700 (LWP 2668)):
#0  0x00007f9f010734dd in g_mutex_lock () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f9f01025f2a in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f01026400 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f010264a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f030afb3b in QEventDispatcherGlib::processEvents (this=0x7f9ee8000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f9f03053dcb in QEventLoop::exec (this=this@entry=0x7f9eefa7ecc0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f9f02e6dbb2 in QThread::exec (this=<optimized out>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f9f04951559 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563bdfa3e850) at thread/qthread_unix.cpp:329
#9  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f9efcea0700 (LWP 2620)):
#0  0x00007f9f030af9e8 in postEventSourcePrepare (s=0x7f9ef0004bb0, timeout=0x7f9efce9fae4) at kernel/qeventdispatcher_glib.cpp:252
#1  0x00007f9f010258ef in g_main_context_prepare () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f9f0102629b in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f9f010264a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f9f030afb3b in QEventDispatcherGlib::processEvents (this=0x7f9ef0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f9f03053dcb in QEventLoop::exec (this=this@entry=0x7f9efce9fcb0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#6  0x00007f9f02e6dbb2 in QThread::exec (this=this@entry=0x7f9f03395d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#7  0x00007f9f03311f4b in QDBusConnectionManager::run (this=0x7f9f03395d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at qdbusconnection.cpp:179
#8  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x7f9f03395d80 <(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at thread/qthread_unix.cpp:329
#9  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#10 0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f9efdad5700 (LWP 2584)):
#0  0x00007f9f02994aff in __GI___poll (fds=0x7f9efdad4be8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007f9f05144c1a in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f9f0514690a in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f9efe1ffe88 in QXcbEventQueue::run (this=0x563bdf7c5570) at qxcbeventqueue.cpp:228
#4  0x00007f9f02e6ed4c in QThreadPrivate::start (arg=0x563bdf7c5570) at thread/qthread_unix.cpp:329
#5  0x00007f9f01d28609 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007f9f029a1293 in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f9efec1a8c0 (LWP 2526)):
#0  futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x7f9eccd252a4) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x7f9eccd25250, cond=0x7f9eccd25278) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x7f9eccd25278, mutex=0x7f9eccd25250) at pthread_cond_wait.c:647
#3  0x00007f9f02e74ebb in QWaitConditionPrivate::wait (deadline=..., this=0x7f9eccd25250) at thread/qwaitcondition_unix.cpp:146
#4  QWaitCondition::wait (this=<optimized out>, mutex=0x563be1a63f58, deadline=...) at thread/qwaitcondition_unix.cpp:225
#5  0x00007f9f04ccc137 in QSGThreadedRenderLoop::polishAndSync (this=this@entry=0x563bdfe716c0, w=w@entry=0x7f9ef800f080, inExpose=inExpose@entry=true) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qdeadlinetimer.h:68
#6  0x00007f9f04ccd028 in QSGThreadedRenderLoop::handleExposure (this=0x563bdfe716c0, window=<optimized out>) at scenegraph/qsgthreadedrenderloop.cpp:1375
#7  0x00007f9f04ccda3b in QSGThreadedRenderLoop::exposureChanged (this=0x563bdfe716c0, window=0x563be0650430) at scenegraph/qsgthreadedrenderloop.cpp:1269
#8  0x00007f9f035abe1d in QWindow::event (this=this@entry=0x563be0650430, ev=ev@entry=0x7ffe57e967e0) at kernel/qwindow.cpp:2438
#9  0x00007f9f04d37e9b in QQuickWindow::event (this=0x563be0650430, e=0x7ffe57e967e0) at items/qquickwindow.cpp:1902
#10 0x00007f9f053b9473 in PlasmaQuick::Dialog::event(QEvent*) () from /usr/lib/x86_64-linux-gnu/libKF5PlasmaQuick.so.5
#11 0x00007f9f03e28dc3 in QApplicationPrivate::notify_helper (this=this@entry=0x563bdf7c0bd0, receiver=receiver@entry=0x563be0650430, e=e@entry=0x7ffe57e967e0) at kernel/qapplication.cpp:3632
#12 0x00007f9f03e31bb8 in QApplication::notify (this=0x7ffe57e96dd0, receiver=0x563be0650430, e=0x7ffe57e967e0) at kernel/qapplication.cpp:3156
#13 0x00007f9f030552ca in QCoreApplication::notifyInternal2 (receiver=0x563be0650430, event=0x7ffe57e967e0) at ../../include/QtCore/5.15.3/QtCore/private/../../../../../src/corelib/thread/qthread_p.h:325
#14 0x00007f9f035a1823 in QGuiApplicationPrivate::processExposeEvent (e=0x563be1ddce50) at kernel/qguiapplication.cpp:3258
#15 0x00007f9f035a1a5b in QGuiApplicationPrivate::processWindowSystemEvent (e=0x563be1ddce50) at kernel/qguiapplication.cpp:2070
#16 0x00007f9f035797ac in QWindowSystemInterface::sendWindowSystemEvents (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#17 0x00007f9efe200eae in xcbSourceDispatch (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#18 0x00007f9f0102617d in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f9f01026400 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f9f010264a3 in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007f9f030afb22 in QEventDispatcherGlib::processEvents (this=0x563bdf8e9470, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#22 0x00007f9f03053dcb in QEventLoop::exec (this=this@entry=0x7ffe57e96ac0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:141
#23 0x00007f9f0305bf84 in QCoreApplication::exec () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#24 0x0000563bded5c41b in main (argc=<optimized out>, argv=<optimized out>) at ./app/main.cpp:285
[Inferior 1 (process 2526) detached]

The reporter indicates this bug may be a duplicate of or related to bug 433050.

Reported using DrKonqi
This report was filed against 'kde' because the product 'latte-dock' could not be located in Bugzilla. Add it to drkonqi's mappings file!
Comment 1 Michail Vourlakos 2021-07-28 20:40:36 UTC 
Is that latest git version?
Comment 2 Bug Janitor Service 2021-08-12 04:36:14 UTC 
Dear Bug Submitter,

This bug has been in NEEDSINFO status with no change for at least
15 days. Please provide the requested information as soon as
possible and set the bug status as REPORTED. Due to regular bug
tracker maintenance, if the bug is still in NEEDSINFO status with
no change in 30 days the bug will be closed as RESOLVED > WORKSFORME
due to lack of needed information.

For more information about our bug triaging procedures please read the
wiki located here:
https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging

If you have already provided the requested information, please
mark the bug as REPORTED so that the KDE team knows that the bug is
ready to be confirmed.

Thank you for helping us make KDE software even better for everyone!
Comment 3 bertil.bonus 2021-08-18 07:39:45 UTC 
No, it is what i get from discovery in KDE neon.
Comment 4 Michail Vourlakos 2021-08-18 08:06:16 UTC 
Sorry not maintained any more, you need to find a way to update to v0.10