Bug 414524

Summary:	KWin failure due to Bleachbit
Product:	[Plasma] kwin	Reporter:	canalexcelencias
Component:	general	Assignee:	KWin default assignee <kwin-bugs-null>
Status:	RESOLVED NOT A BUG
Severity:	crash	CC:	kde
Priority:	NOR	Keywords:	drkonqi
Version:	5.12.8
Target Milestone:	---
Platform:	openSUSE
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:

Description canalexcelencias 2019-11-26 10:08:36 UTC

Application: kwin_x11 (5.12.8)

Qt Version: 5.9.7
Frameworks Version: 5.55.0
Operating System: Linux 4.12.14-lp151.28.32-default x86_64
Distribution: "openSUSE Leap 15.1"

-- Information about the crash:
- What I was doing when the application crashed: I was using Bleachbit, an app to clean temporary and cache files, and, after the cleaning, KWin closed.

The crash can be reproduced every time.

-- Backtrace:
Application: KWin (kwin_x11), signal: Bus error
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f312635e940 (LWP 1954))]

Thread 7 (Thread 0x7f31057c1700 (LWP 23989)):
#0  0x00007f3125cca296 in ppoll () at /lib64/libc.so.6
#1  0x00007f31232d7621 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f31232d8d3e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f312328090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f312309edaa in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f311d7cc9f5 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f31230a3ced in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f3071572700 (LWP 2130)):
#0  0x00007f311ece78ad in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f30722189ab in  () at /usr/lib64/dri/i965_dri.so
#2  0x00007f30722186b7 in  () at /usr/lib64/dri/i965_dri.so
#3  0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f30f73ff700 (LWP 2081)):
#0  0x00007f311ece78ad in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f3121fab574 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f3121fab5b9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f3104a1f700 (LWP 2075)):
#0  0x00007f3125cca296 in ppoll () at /lib64/libc.so.6
#1  0x00007f31232d7621 in qt_safe_poll(pollfd*, unsigned long, timespec const*) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f31232d8d3e in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#3  0x00007f312328090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f312309edaa in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f311d7cc9f5 in  () at /usr/lib64/libQt5Qml.so.5
#6  0x00007f31230a3ced in  () at /usr/lib64/libQt5Core.so.5
#7  0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#8  0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f3106e27700 (LWP 2001)):
#0  0x00007ffe4197b649 in  ()
#1  0x00007ffe4197b910 in clock_gettime ()
#2  0x00007f3125ce22e6 in clock_gettime () at /lib64/libc.so.6
#3  0x00007f31232db281 in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f31232d9ab9 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#5  0x00007f31232da095 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f31232d9044 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f312328090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f312309edaa in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007f311c66b9e5 in  () at /usr/lib64/libQt5DBus.so.5
#10 0x00007f31230a3ced in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f310d580700 (LWP 1978)):
#0  0x00007f3125cca19b in poll () at /lib64/libc.so.6
#1  0x00007f3122dd0307 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f3122dd1f3a in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f310e462939 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f31230a3ced in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f311ece1569 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f3125cd49ef in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f312635e940 (LWP 1954)):
[KCrash Handler]
#6  0x00007f311d682715 in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f311d7acee9 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*, QV4::Scope&) () at /usr/lib64/libQt5Qml.so.5
#8  0x00007f311d7438ce in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib64/libQt5Qml.so.5
#9  0x00007f311d744bdb in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f311d789663 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f311d726819 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f31232b0d6f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#13 0x00007f311df9395d in QQuickMouseArea::setHovered(bool) () at /usr/lib64/libQt5Quick.so.5
#14 0x00007f311df950a8 in QQuickMouseArea::hoverEnterEvent(QHoverEvent*) () at /usr/lib64/libQt5Quick.so.5
#15 0x00007f311df0a098 in QQuickItem::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#16 0x00007f312402c3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f3124033ca4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#18 0x00007f31232828d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f311df1eb35 in QQuickWindowPrivate::sendHoverEvent(QEvent::Type, QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool) () at /usr/lib64/libQt5Quick.so.5
#20 0x00007f311df1f485 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#21 0x00007f311df1f397 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#22 0x00007f311df1f397 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#23 0x00007f311df1f397 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#24 0x00007f311df1f397 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#25 0x00007f311df1f397 in QQuickWindowPrivate::deliverHoverEvent(QQuickItem*, QPointF const&, QPointF const&, QFlags<Qt::KeyboardModifier>, unsigned long, bool&) () at /usr/lib64/libQt5Quick.so.5
#26 0x00007f311df22094 in QQuickWindowPrivate::handleMouseEvent(QMouseEvent*) () at /usr/lib64/libQt5Quick.so.5
#27 0x00007f3123864cf5 in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#28 0x00007f311df235d5 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#29 0x00007f312402c3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#30 0x00007f3124033ca4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#31 0x00007f31232828d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f3104a66826 in  () at /usr/lib64/qt5/plugins/org.kde.kdecoration2/kwin5_aurorae.so
#33 0x00007f3121733e01 in KDecoration2::Decoration::event(QEvent*) () at /usr/lib64/libkdecorations2.so.5
#34 0x00007f312402c3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#35 0x00007f3124033ca4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#36 0x00007f31232828d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#37 0x00007f31257f8a00 in KWin::Client::motionNotifyEvent(unsigned int, int, int, int, int, int) () at /usr/lib64/libkwin.so.5
#38 0x00007f31257f98c9 in KWin::Client::windowEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5
#39 0x00007f31257fa355 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*) () at /usr/lib64/libkwin.so.5
#40 0x00007f312327f4af in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) () at /usr/lib64/libQt5Core.so.5
#41 0x00007f310e463eb0 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) () at /usr/lib64/libQt5XcbQpa.so.5
#42 0x00007f310e464b3c in QXcbConnection::processXcbEvents() () at /usr/lib64/libQt5XcbQpa.so.5
#43 0x00007f31232b20a2 in QObject::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#44 0x00007f312402c3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#45 0x00007f3124033ca4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#46 0x00007f31232828d8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#47 0x00007f312328504d in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#48 0x00007f31232d8b54 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#49 0x00007f310e4c5e6d in  () at /usr/lib64/libQt5XcbQpa.so.5
#50 0x00007f312328090a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#51 0x00007f31232899b4 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#52 0x00007f3125f9f58b in kdemain () at /usr/lib64/libkdeinit5_kwin_x11.so
#53 0x00007f3125bfcf8a in __libc_start_main () at /lib64/libc.so.6
#54 0x000055ede2f7880a in _start ()
[Inferior 1 (process 1954) detached]

Possible duplicates by query: bug 398366.

Reported using DrKonqi

Comment 1 David Edmundson 2019-11-26 10:13:33 UTC

Wiping files kwin is actively using is unsupported.

Report to bleachbit.