https://bugs.kde.org/show_bug.cgi?id=359299

            Bug ID: 359299
           Summary: Plasma, KWin, ksmserver, yakuake and more crash when
                    HDMI monitor goes to standby
           Product: plasmashell
           Version: 5.5.4
          Platform: Gentoo Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: devuran...@gmx.net
                CC: bhus...@gmail.com, plasma-b...@kde.org

Application: plasmashell (5.5.4)

Qt Version: 5.5.1
Operating System: Linux 4.4.1-gentoo x86_64
Distribution: "Gentoo Base System release 2.2"

-- Information about the crash:
- What I was doing when the application crashed:

1. The monitor went to standby.
2. A while later (ranging from a few seconds to several hours) I turned it on
again by moving the mouse.
3. I find Plasma, KWin, ksmserver, yakuake and others crashed.

This is reproducible every time and has happened several times already.

This is a duplicate of bug #357085, but due to DrKonqi bug #355807, I cannot
conveniently attach this information there.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f6c0317d840 (LWP 3182))]

Thread 9 (Thread 0x7f6bf2091700 (LWP 3184)):
#0  0x00007f6bfe3c890d in poll () from /lib64/libc.so.6
#1  0x00007f6c023a4a72 in ?? () from /usr/lib64/libxcb.so.1
#2  0x00007f6c023a6627 in xcb_wait_for_event () from /usr/lib64/libxcb.so.1
#3  0x00007f6bf312b719 in QXcbEventReader::run (this=0x1b4e5d0) at
qxcbconnection.cpp:1229
#4  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x1b4e5d0) at
thread/qthread_unix.cpp:331
#5  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#6  0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f6bebbd9700 (LWP 3188)):
#0  postEventSourcePrepare (s=0x7f6be40012d0, timeout=0x7f6bebbd8ba4) at
kernel/qeventdispatcher_glib.cpp:255
#1  0x00007f6bfb9da76c in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f6bfb9db0cb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f6bfec9682b in QEventDispatcherGlib::processEvents
(this=0x7f6be40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7f6bebbd8d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f6bfeaac384 in QThread::exec (this=this@entry=0x1c34720) at
thread/qthread.cpp:503
#7  0x00007f6c01263875 in QQmlThreadPrivate::run (this=0x1c34720) at
qml/ftw/qqmlthread.cpp:141
#8  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x1c34720) at
thread/qthread_unix.cpp:331
#9  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#10 0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f6bd49c9700 (LWP 3212)):
#0  0x00007f6bfdbdef4f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f6be9171c93 in cnd_wait (mtx=0x1e5e8f0, cond=0x1e5e918) at
/var/tmp/portage/media-libs/mesa-11.1.1/work/mesa-11.1.1/include/c11/threads_posix.h:159
#2  pipe_semaphore_wait (sema=0x1e5e8f0) at
/var/tmp/portage/media-libs/mesa-11.1.1/work/mesa-11.1.1/src/gallium/auxiliary/os/os_thread.h:259
#3  radeon_drm_cs_emit_ioctl (param=param@entry=0x1e5e5a0) at
/var/tmp/portage/media-libs/mesa-11.1.1/work/mesa-11.1.1/src/gallium/winsys/radeon/drm/radeon_drm_winsys.c:653
#4  0x00007f6be9171417 in impl_thrd_routine (p=<optimized out>) at
/var/tmp/portage/media-libs/mesa-11.1.1/work/mesa-11.1.1/include/c11/threads_posix.h:87
#5  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#6  0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f6bd0c31700 (LWP 3218)):
#0  0x00007f6bfb9da6e8 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#1  0x00007f6bfb9db0cb in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6bfec9682b in QEventDispatcherGlib::processEvents
(this=0x7f6bcc0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7f6bd0c30d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f6bfeaac384 in QThread::exec (this=this@entry=0x203b490) at
thread/qthread.cpp:503
#6  0x00007f6c01263875 in QQmlThreadPrivate::run (this=0x203b490) at
qml/ftw/qqmlthread.cpp:141
#7  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x203b490) at
thread/qthread_unix.cpp:331
#8  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#9  0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f6bcb391700 (LWP 3231)):
#0  0x00007f6bfe3c890d in poll () from /lib64/libc.so.6
#1  0x00007f6bfb9db19c in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6bfec9682b in QEventDispatcherGlib::processEvents
(this=0x7f6bc40008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7f6bcb390d60,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f6bfeaac384 in QThread::exec (this=this@entry=0x20c7920) at
thread/qthread.cpp:503
#6  0x00007f6c01263875 in QQmlThreadPrivate::run (this=0x20c7920) at
qml/ftw/qqmlthread.cpp:141
#7  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x20c7920) at
thread/qthread_unix.cpp:331
#8  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#9  0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f6bc99f1700 (LWP 3240)):
#0  0x00007f6bfdbdef4f in pthread_cond_wait () from /lib64/libpthread.so.0
#1  0x00007f6c032fb274 in ?? () from /usr/lib64/libQt5Script.so.5
#2  0x00007f6c032fb2b9 in ?? () from /usr/lib64/libQt5Script.so.5
#3  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#4  0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f6b42d41700 (LWP 3287)):
#0  0x00007f6bfba1dc31 in g_mutex_lock () from /usr/lib64/libglib-2.0.so.0
#1  0x00007f6bfb9da778 in g_main_context_prepare () from
/usr/lib64/libglib-2.0.so.0
#2  0x00007f6bfb9db0cb in ?? () from /usr/lib64/libglib-2.0.so.0
#3  0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#4  0x00007f6bfec9682b in QEventDispatcherGlib::processEvents
(this=0x7f6b3c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7f6b42d40d10,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f6bfeaac384 in QThread::exec (this=this@entry=0x22b0a70) at
thread/qthread.cpp:503
#7  0x00007f6c01bfa026 in QQuickPixmapReader::run (this=0x22b0a70) at
util/qquickpixmapcache.cpp:760
#8  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x22b0a70) at
thread/qthread_unix.cpp:331
#9  0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#10 0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f6b340f9700 (LWP 3693)):
#0  0x00007f6bfe3c4a4d in read () from /lib64/libc.so.6
#1  0x00007f6bfba1c9d0 in ?? () from /usr/lib64/libglib-2.0.so.0
#2  0x00007f6bfb9dac94 in g_main_context_check () from
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6bfb9db140 in ?? () from /usr/lib64/libglib-2.0.so.0
#4  0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#5  0x00007f6bfec9682b in QEventDispatcherGlib::processEvents
(this=0x7f6b2c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7f6b340f8d40,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007f6bfeaac384 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:503
#8  0x00007f6b351ac237 in KCupsConnection::run() () from
/usr/lib64/libkcupslib.so
#9  0x00007f6bfeab0822 in QThreadPrivate::start (arg=0x304f400) at
thread/qthread_unix.cpp:331
#10 0x00007f6bfdbd942c in start_thread () from /lib64/libpthread.so.0
#11 0x00007f6bfe3d180d in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f6c0317d840 (LWP 3182)):
[KCrash Handler]
#6  QScreen::handle (this=0x0) at kernel/qscreen.cpp:112
#7  0x00007f6bf31330f9 in QXcbIntegration::createPlatformWindow
(this=<optimized out>, window=0x325a4c0) at qxcbintegration.cpp:196
#8  0x00007f6bfef74c72 in QWindowPrivate::create (this=0x325d5e0,
recursive=recursive@entry=false) at kernel/qwindow.cpp:392
#9  0x00007f6bfef74d5b in QWindow::create (this=this@entry=0x325a4c0) at
kernel/qwindow.cpp:548
#10 0x00007f6bfef74e18 in QWindow::winId (this=0x325a4c0) at
kernel/qwindow.cpp:567
#11 0x00007f6c0342d08d in PlasmaQuick::DialogPrivate::updateTheme
(this=0x3254eb0) at
/var/tmp/portage/kde-frameworks/plasma-5.18.0/work/plasma-framework-5.18.0/src/plasmaquick/dialog.cpp:223
#12 0x00007f6c0342fc31 in PlasmaQuick::Dialog::qt_static_metacall
(_o=_o@entry=0x325a4c0, _c=_c@entry=QMetaObject::InvokeMetaMethod,
_id=_id@entry=11, _a=_a@entry=0x7ffd0e56c050) at
/var/tmp/portage/kde-frameworks/plasma-5.18.0/work/plasma-5.18.0_build/src/plasmaquick/moc_dialog.cpp:223
#13 0x00007f6bfec7297a in QMetaObject::activate (sender=0x3254f20,
signalOffset=<optimized out>, local_signal_index=<optimized out>,
argv=<optimized out>) at kernel/qobject.cpp:3713
#14 0x00007f6bfec727f7 in QtPrivate::QSlotObjectBase::call (a=0x7ffd0e56c150,
r=0x3254f20, this=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#15 QMetaObject::activate (sender=0x1cd6da0, signalOffset=<optimized out>,
local_signal_index=<optimized out>, argv=<optimized out>) at
kernel/qobject.cpp:3698
#16 0x00007f6bfec7297a in QMetaObject::activate (sender=sender@entry=0x1cd7cb0,
signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0,
argv=argv@entry=0x0) at kernel/qobject.cpp:3713
#17 0x00007f6bfec7317f in QMetaObject::activate (sender=sender@entry=0x1cd7cb0,
m=m@entry=0x7f6bfee77a00 <QTimer::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at
kernel/qobject.cpp:3578
#18 0x00007f6bfece2b90 in QTimer::timeout (this=this@entry=0x1cd7cb0) at
.moc/moc_qtimer.cpp:197
#19 0x00007f6bfec7efe8 in QTimer::timerEvent (this=0x1cd7cb0, e=<optimized
out>) at kernel/qtimer.cpp:247
#20 0x00007f6bfec73913 in QObject::event (this=0x1cd7cb0, e=<optimized out>) at
kernel/qobject.cpp:1261
#21 0x00007f6bff69552c in QApplicationPrivate::notify_helper
(this=this@entry=0x1b31590, receiver=receiver@entry=0x1cd7cb0,
e=e@entry=0x7ffd0e56c580) at kernel/qapplication.cpp:3716
#22 0x00007f6bff69a8fd in QApplication::notify (this=0x7ffd0e56c920,
receiver=0x1cd7cb0, e=0x7ffd0e56c580) at kernel/qapplication.cpp:3499
#23 0x00007f6bfec4bb9c in QCoreApplication::notifyInternal
(this=0x7ffd0e56c920, receiver=0x1cd7cb0, event=event@entry=0x7ffd0e56c580) at
kernel/qcoreapplication.cpp:965
#24 0x00007f6bfec95ed2 in QCoreApplication::sendEvent (event=0x7ffd0e56c580,
receiver=<optimized out>) at
../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#25 QTimerInfoList::activateTimers (this=0x1b78e70) at
kernel/qtimerinfo_unix.cpp:637
#26 0x00007f6bfec96454 in timerSourceDispatch (source=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:177
#27 0x00007f6bfb9daf9e in g_main_context_dispatch () from
/usr/lib64/libglib-2.0.so.0
#28 0x00007f6bfb9db200 in ?? () from /usr/lib64/libglib-2.0.so.0
#29 0x00007f6bfb9db2ac in g_main_context_iteration () from
/usr/lib64/libglib-2.0.so.0
#30 0x00007f6bfec96807 in QEventDispatcherGlib::processEvents (this=0x1b79510,
flags=...) at kernel/qeventdispatcher_glib.cpp:418
#31 0x00007f6bfec4ab0a in QEventLoop::exec (this=this@entry=0x7ffd0e56c7c0,
flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#32 0x00007f6bfec51a6c in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1229
#33 0x000000000043228a in main ()

Possible duplicates by query: bug 359228, bug 358685, bug 357842, bug 357514,
bug 357503.

Reported using DrKonqi

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