https://bugs.kde.org/show_bug.cgi?id=407335
Bug ID: 407335
Summary: kwin_wayland crashes on startup in
KWin::DrmOutput::updateCursor
Product: kwin
Version: git master
Platform: openSUSE RPMs
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: platform-drm
Assignee: kwin-bugs-n...@kde.org
Reporter: fab...@ritter-vogt.de
Target Milestone: ---
In openQA (and easily reproducable in VMs), kwin_wayland crashes reliably on
startup with this bt:
#0 0x00007fd6eb6d9cc8 in QMatrix4x4::toTransform() const () from
/usr/lib64/libQt5Gui.so.5
#1 0x00007fd6e712eb0a in KWin::DrmOutput::updateCursor (this=<optimized out>)
at /usr/include/qt5/QtCore/qsize.h:119
#2 0x00007fd6e7122ed4 in KWin::DrmBackend::updateCursor (this=0x56174c6e2870)
at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/plugins/platforms/drm/drm_backend.cpp:712
#3 0x00007fd6ed1c2363 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#4 0x00007fd6ed1c2363 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#5 0x00007fd6ee03f48b in KWin::PointerInputRedirection::init
(this=0x56174c6eaf00) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/pointer_input.cpp:144
#6 0x00007fd6ee027832 in KWin::InputRedirection::setupWorkspace
(this=0x56174c6f1e30) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/input.cpp:1767
#7 0x00007fd6ed1c2363 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#8 0x000056174be26db8 in KWin::ApplicationWayland::finalizeStartup
(this=0x7ffdb1cf0770) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/main_wayland.cpp:193
#9 0x000056174be27030 in KWin::ApplicationWayland::continueStartupWithScene
(this=0x7ffdb1cf0770) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/main_wayland.cpp:202
#10 0x00007fd6ed1c2363 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib64/libQt5Core.so.5
#11 0x00007fd6ee0afc89 in KWin::Compositor::slotCompositingOptionsInitialized
(this=this@entry=0x56174c74b550) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/composite.cpp:271
#12 0x00007fd6ee0b0a8b in KWin::Compositor::setup (this=0x56174c74b550) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/composite.cpp:187
#13 0x00007fd6ed1c2aa2 in QObject::event(QEvent*) () from
/usr/lib64/libQt5Core.so.5
#14 0x00007fd6ed5c7551 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /usr/lib64/libQt5Widgets.so.5
#15 0x00007fd6ed5ce930 in QApplication::notify(QObject*, QEvent*) () from
/usr/lib64/libQt5Widgets.so.5
#16 0x00007fd6ed198839 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /usr/lib64/libQt5Core.so.5
#17 0x00007fd6ed19b887 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib64/libQt5Core.so.5
#18 0x00007fd6ed1e917b in
QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib64/libQt5Core.so.5
#19 0x00007fd6e72f25ed in QUnixEventDispatcherQPA::processEvents
(this=<optimized out>, flags=...) at qunixeventdispatcher.cpp:63
#20 0x00007fd6ed19750b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib64/libQt5Core.so.5
#21 0x00007fd6ed19f422 in QCoreApplication::exec() () from
/usr/lib64/libQt5Core.so.5
#22 0x000056174be2536e in main (argc=<optimized out>, argv=<optimized out>) at
/usr/src/debug/kwin5-5.15.80git.20190507T151309~e8b45cce1-ku.52.1.x86_64/main_wayland.cpp:664
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