https://bugs.kde.org/show_bug.cgi?id=364526
Bug ID: 364526
Summary: Plasma crashes on monitor energy saving mode
Product: plasmashell
Version: 5.5.5
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: amich...@amichais.net
CC: bhus...@gmail.com, plasma-b...@kde.org
Application: plasmashell (5.5.5)
Qt Version: 5.5.1
Operating System: Linux 4.4.0-24-generic x86_64
Distribution: Ubuntu 16.04 LTS
-- Information about the crash:
- Unusual behavior I noticed:
Whenever the monitors should go into energy saving mode (after not using the pc
for the specified amount of time), the screens do go blank for a few seconds,
but then turn right back on. This is accompanied by a plasma crash dialog. If I
leave the pc for several hours, I come back to a whole pile of such crash
dialogs on top of each other.
On Kubuntu 16.04, kernel 4.4.0-24-generic, Intel Graphics 4600 (Haswell),
plasma-desktop 4:5.5.5-0ubuntu1.
The crash can be reproduced every time.
-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f39697238c0 (LWP 29723))]
Thread 8 (Thread 0x7f3954913700 (LWP 29726)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3967f00c62 in () at /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f3967f028d7 in xcb_wait_for_event () at
/usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f3956a61629 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#4 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396361e6fa in start_thread (arg=0x7f3954913700) at
pthread_create.c:333
#6 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 7 (Thread 0x7f394dff2700 (LWP 29728)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3960bd231c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f3948003070, timeout=<optimized out>, context=0x7f3948000990) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f3960bd231c in g_main_context_iterate
(context=context@entry=0x7f3948000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f3960bd242c in g_main_context_iteration (context=0x7f3948000990,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f3964768a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f396452c8a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3966dd43c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f396361e6fa in start_thread (arg=0x7f394dff2700) at
pthread_create.c:333
#10 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 6 (Thread 0x7f3942ac3700 (LWP 29729)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3960bd231c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f393c002e70, timeout=<optimized out>, context=0x7f393c000990) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f3960bd231c in g_main_context_iterate
(context=context@entry=0x7f393c000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f3960bd242c in g_main_context_iteration (context=0x7f393c000990,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f3964768a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f396452c8a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3966dd43c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f396361e6fa in start_thread (arg=0x7f3942ac3700) at
pthread_create.c:333
#10 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 5 (Thread 0x7f3940c09700 (LWP 29730)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3960bd231c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f3934003070, timeout=<optimized out>, context=0x7f3934000990) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f3960bd231c in g_main_context_iterate
(context=context@entry=0x7f3934000990, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f3960bd242c in g_main_context_iteration (context=0x7f3934000990,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f3964768a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f396452c8a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f3966dd43c5 in () at /usr/lib/x86_64-linux-gnu/libQt5Qml.so.5
#8 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f396361e6fa in start_thread (arg=0x7f3940c09700) at
pthread_create.c:333
#10 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 4 (Thread 0x7f393b1c4700 (LWP 29731)):
#0 0x00007f39636243a0 in pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007f3969179bd4 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2 0x00007f3969179c19 in () at /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3 0x00007f396361e6fa in start_thread (arg=0x7f393b1c4700) at
pthread_create.c:333
#4 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 3 (Thread 0x7f3938878700 (LWP 29749)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3960bd231c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f38b000f500, timeout=<optimized out>, context=0x7f38b0004a80) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f3960bd231c in g_main_context_iterate
(context=context@entry=0x7f38b0004a80, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f3960bd242c in g_main_context_iteration (context=0x7f38b0004a80,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f3964768a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f396452c8a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f396775aed6 in () at /usr/lib/x86_64-linux-gnu/libQt5Quick.so.5
#8 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f396361e6fa in start_thread (arg=0x7f3938878700) at
pthread_create.c:333
#10 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 2 (Thread 0x7f38accfa700 (LWP 29755)):
#0 0x00007f3963e3be8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1 0x00007f3960bd231c in g_main_context_iterate (priority=2147483647, n_fds=1,
fds=0x7f38a800e8f0, timeout=<optimized out>, context=0x7f38a800f9e0) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:4135
#2 0x00007f3960bd231c in g_main_context_iterate
(context=context@entry=0x7f38a800f9e0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3835
#3 0x00007f3960bd242c in g_main_context_iteration (context=0x7f38a800f9e0,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#4 0x00007f3964768a9b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#5 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007f396452c8a4 in QThread::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007f389ee117d7 in KCupsConnection::run() () at
/usr/lib/x86_64-linux-gnu/libkcupslib.so
#8 0x00007f396453184e in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#9 0x00007f396361e6fa in start_thread (arg=0x7f38accfa700) at
pthread_create.c:333
#10 0x00007f3963e47b5d in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:109
Thread 1 (Thread 0x7f39697238c0 (LWP 29723)):
[KCrash Handler]
#6 0x00007f3967cae0d4 in () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#7 0x00007f3967cb5a60 in () at /usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#8 0x00007f3967cb6321 in Plasma::FrameSvg::mask() const () at
/usr/lib/x86_64-linux-gnu/libKF5Plasma.so.5
#9 0x0000000000445f8b in PanelView::updateMask() (this=this@entry=0x66265b0)
at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/panelview.cpp:915
#10 0x0000000000446145 in PanelView::themeChanged() (this=this@entry=0x66265b0)
at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/panelview.cpp:1037
#11 0x0000000000446179 in PanelView::integrateScreen() (this=0x66265b0) at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/panelview.cpp:705
#12 0x0000000000446321 in
QtPrivate::QFunctorSlotObject<PanelView::showEvent(QShowEvent*)::<lambda(QScreen*)>,
1, QtPrivate::List<QScreen*>, void>::impl(int, QtPrivate::QSlotObjectBase *,
QObject *, void **, bool *) (screen=0x70fb700, __closure=<synthetic pointer>)
at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/panelview.cpp:731
#13 0x0000000000446321 in
QtPrivate::QFunctorSlotObject<PanelView::showEvent(QShowEvent*)::<lambda(QScreen*)>,
1, QtPrivate::List<QScreen*>, void>::impl(int, QtPrivate::QSlotObjectBase *,
QObject *, void **, bool *) (arg=<optimized out>, f=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:495
#14 0x0000000000446321 in
QtPrivate::QFunctorSlotObject<PanelView::showEvent(QShowEvent*)::<lambda(QScreen*)>,
1, QtPrivate::List<QScreen*>, void>::impl(int, QtPrivate::QSlotObjectBase *,
QObject *, void **, bool *) (arg=<optimized out>, f=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:552
#15 0x0000000000446321 in
QtPrivate::QFunctorSlotObject<PanelView::showEvent(QShowEvent*)::<lambda(QScreen*)>,
1, QtPrivate::List<QScreen*>, void>::impl(int, QtPrivate::QSlotObjectBase *,
QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>,
r=<optimized out>, a=<optimized out>, ret=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qobject_impl.h:192
#16 0x00007f3964740e4f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f3964a580bf in QWindow::screenChanged(QScreen*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#18 0x00007f3964a58fd5 in QWindowPrivate::emitScreenChangedRecursion(QScreen*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#19 0x00007f3964a5c2c5 in QWindowPrivate::setTopLevelScreen(QScreen*, bool) ()
at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#20 0x0000000000454468 in ShellCorona::removeView(int) (this=0x1ca4e60, idx=0)
at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/shellcorona.cpp:777
#21 0x0000000000454739 in ShellCorona::screenRemoved(QScreen*) (this=0x1ca4e60,
screen=<optimized out>) at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/shellcorona.cpp:792
#22 0x00007f3964740e4f in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x00007f3964a4a482 in QGuiApplication::screenRemoved(QScreen*) () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#24 0x00007f3964a79702 in QScreen::~QScreen() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#25 0x00007f3964a79b09 in QScreen::~QScreen() () at
/usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#26 0x00007f3964a403f0 in QPlatformIntegration::destroyScreen(QPlatformScreen*)
() at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#27 0x00007f3956a61c1f in QXcbConnection::destroyScreen(QXcbScreen*) () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#28 0x00007f3956a62ea8 in
QXcbConnection::updateScreens(xcb_randr_notify_event_t const*) () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#29 0x00007f3956a639f3 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#30 0x00007f3956a63e53 in QXcbConnection::processXcbEvents() () at
/usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#31 0x00007f3964741ea1 in QObject::event(QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f396521505c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007f396521a516 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007f396471262b in QCoreApplication::notifyInternal(QObject*, QEvent*)
() at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007f3964714a26 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#36 0x00007f3964768673 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f3960bd2127 in g_main_context_dispatch (context=0x7f39500016f0) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3154
#38 0x00007f3960bd2127 in g_main_context_dispatch
(context=context@entry=0x7f39500016f0) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3769
#39 0x00007f3960bd2380 in g_main_context_iterate
(context=context@entry=0x7f39500016f0, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
/build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3840
#40 0x00007f3960bd242c in g_main_context_iteration (context=0x7f39500016f0,
may_block=1) at /build/glib2.0-t9oPgV/glib2.0-2.48.0/./glib/gmain.c:3901
#41 0x00007f3964768a7f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#42 0x00007f396470fdea in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007f3964717e8c in QCoreApplication::exec() () at
/usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x0000000000432d4a in main(int, char**) (argc=3, argv=<optimized out>) at
/build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181
Reported using DrKonqi
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