https://bugs.kde.org/show_bug.cgi?id=390247
Bug ID: 390247
Summary: Kwin crashes when clicking on application launcher
Product: kwin
Version: 5.11.5
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: jkrmnj...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.11.5)
Qt Version: 5.9.4
Frameworks Version: 5.42.0
Operating System: Linux 4.14.16-300.fc27.x86_64 x86_64
Distribution: "Fedora release 27 (Twenty Seven)"
-- Information about the crash:
- What I was doing when the application crashed: Clicking on the launcher icon
causes the menu to appear disconnected from the panel. It quickly disappears
and Kwin crashes. This happens very inconsistently but when it does crash, it
matches the above description.
The crash can be reproduced sometimes.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2f1f573940 (LWP 2418))]
Thread 5 (Thread 0x7f2edf3e8700 (LWP 2438)):
#0 0x00007f2f17b1ccbb in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1 0x00007f2f1e24d604 in QTWTF::TCMalloc_PageHeap::scavengerThread() () from
/lib64/libQt5Script.so.5
#2 0x00007f2f1e24d649 in QTWTF::TCMalloc_PageHeap::runScavengerThread(void*)
() from /lib64/libQt5Script.so.5
#3 0x00007f2f17b1661b in start_thread () from /lib64/libpthread.so.0
#4 0x00007f2f142cb98f in clone () from /lib64/libc.so.6
Thread 4 (Thread 0x7f2eebfbe700 (LWP 2435)):
#0 0x00007f2f142bf4d6 in ppoll () from /lib64/libc.so.6
#1 0x00007f2f15127b85 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /lib64/libQt5Core.so.5
#2 0x00007f2f15128e2d in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#3 0x00007f2f150d962a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#4 0x00007f2f14f2a8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#5 0x00007f2f1d04ce75 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#6 0x00007f2f14f2ede2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007f2f17b1661b in start_thread () from /lib64/libpthread.so.0
#8 0x00007f2f142cb98f in clone () from /lib64/libc.so.6
Thread 3 (Thread 0x7f2ef209f700 (LWP 2422)):
#0 0x00007f2f142bf4d6 in ppoll () from /lib64/libc.so.6
#1 0x00007f2f15127b85 in qt_safe_poll(pollfd*, unsigned long, timespec const*)
() from /lib64/libQt5Core.so.5
#2 0x00007f2f15128e2d in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#3 0x00007f2f150d962a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#4 0x00007f2f14f2a8ca in QThread::exec() () from /lib64/libQt5Core.so.5
#5 0x00007f2f1a6fd449 in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#6 0x00007f2f14f2ede2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#7 0x00007f2f17b1661b in start_thread () from /lib64/libpthread.so.0
#8 0x00007f2f142cb98f in clone () from /lib64/libc.so.6
Thread 2 (Thread 0x7f2efd7da700 (LWP 2421)):
#0 0x00007f2f142bf3db in poll () from /lib64/libc.so.6
#1 0x00007f2f17018fe7 in _xcb_conn_wait () from /lib64/libxcb.so.1
#2 0x00007f2f1701adda in xcb_wait_for_event () from /lib64/libxcb.so.1
#3 0x00007f2efe4b7bf9 in QXcbEventReader::run() () from
/lib64/libQt5XcbQpa.so.5
#4 0x00007f2f14f2ede2 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5 0x00007f2f17b1661b in start_thread () from /lib64/libpthread.so.0
#6 0x00007f2f142cb98f in clone () from /lib64/libc.so.6
Thread 1 (Thread 0x7f2f1f573940 (LWP 2418)):
[KCrash Handler]
#6 KWin::Workspace::clientArea (this=this@entry=0x55d9fd228a00,
opt=opt@entry=KWin::PlacementArea, screen=0, desktop=<optimized out>,
desktop@entry=2) at /usr/src/debug/kwin-5.11.5-2.fc27.x86_64/geometry.cpp:372
#7 0x00007f2f1edf9575 in KWin::Workspace::clientArea
(this=this@entry=0x55d9fd228a00, opt=opt@entry=KWin::PlacementArea, p=...,
desktop=desktop@entry=2) at
/usr/src/debug/kwin-5.11.5-2.fc27.x86_64/geometry.cpp:406
#8 0x00007f2f1ede46ef in KWin::Client::manage (this=this@entry=0x55d9fddc08b0,
w=w@entry=27263030, isMapped=isMapped@entry=false) at
/usr/src/debug/kwin-5.11.5-2.fc27.x86_64/manage.cpp:276
#9 0x00007f2f1ed57917 in KWin::Workspace::createClient
(this=this@entry=0x55d9fd228a00, w=27263030, is_mapped=is_mapped@entry=false)
at /usr/src/debug/kwin-5.11.5-2.fc27.x86_64/workspace.cpp:538
#10 0x00007f2f1edd0c4b in KWin::Workspace::workspaceEvent (this=0x55d9fd228a00,
e=0x7f2ef8021f40) at /usr/src/debug/kwin-5.11.5-2.fc27.x86_64/events.cpp:357
#11 0x00007f2f150d8124 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) ()
from /lib64/libQt5Core.so.5
#12 0x00007f2efe4b9190 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
() from /lib64/libQt5XcbQpa.so.5
#13 0x00007f2efe4b9e1c in QXcbConnection::processXcbEvents() () from
/lib64/libQt5XcbQpa.so.5
#14 0x00007f2f15103f2a in QObject::event(QEvent*) () from
/lib64/libQt5Core.so.5
#15 0x00007f2f15f4a89c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#16 0x00007f2f15f520e4 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#17 0x00007f2f150da8a7 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#18 0x00007f2f150dd02b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib64/libQt5Core.so.5
#19 0x00007f2f15128caa in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#20 0x00007f2efe51af6d in
QUnixEventDispatcherQPA::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5XcbQpa.so.5
#21 0x00007f2f150d962a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#22 0x00007f2f150e1d54 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#23 0x00007f2f1f1bf186 in kdemain (argc=<optimized out>, argv=0x7ffc8d88d348)
at /usr/src/debug/kwin-5.11.5-2.fc27.x86_64/main_x11.cpp:466
#24 0x00007f2f141d500a in __libc_start_main () from /lib64/libc.so.6
#25 0x000055d9fcc3fc8a in _start ()
Possible duplicates by query: bug 385757, bug 344312.
Reported using DrKonqi
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