https://bugs.kde.org/show_bug.cgi?id=421762
Bug ID: 421762
Summary: kwin_x11 crashes if action of both upper left corner
and left edge is set to "Toggle window switching" in
"Screen edges" kcm
Product: kwin
Version: unspecified
Platform: unspecified
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: bugsefor...@gmx.com
Target Milestone: ---
Application: kwin_x11 (5.19.80)
Qt Version: 5.14.2
Frameworks Version: 5.71.0
Operating System: Linux 5.3.0-45-generic x86_64
Windowing system: X11
Distribution: KDE neon Unstable Edition
-- Information about the crash:
- What I was doing when the application crashed:
open system settings > workspace behavior > screen edges
set "Toggle window switching" action to both upper left corner and left edge
try to trigger the action via theupper left corner
kwin_x11 crashes
I'm not sure if this is related, but I noticed that "Toggle window switching"
action never works when it only is set to the left edge.
The crash can be reproduced every time.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f21eb193800
(LWP 30568))]
[KCrash Handler]
#6 0x00007f21eabafae3 in std::__atomic_base<int>::load(std::memory_order)
const (__m=std::memory_order_relaxed, this=0x2) at
/usr/include/c++/7/bits/atomic_base.h:396
#7 0x00007f21eabafae3 in QAtomicOps<int>::loadRelaxed<int>(std::atomic<int>
const&) (_q_value=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:239
#8 0x00007f21eabafae3 in QBasicAtomicInteger<int>::loadRelaxed() const
(this=0x2) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:107
#9 0x00007f21eabafae3 in QtPrivate::RefCount::ref() (this=0x2) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:55
#10 0x00007f21eabafae3 in QVector<int>::QVector(QVector<int> const&)
(this=0x7ffd09238990, v=...) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qvector.h:380
#11 0x00007f21eabadb86 in KWin::X11EventFilter::eventTypes() const
(this=0x7f21cc007b30) at ./x11eventfilter.h:51
#12 0x00007f21eabadb86 in KWin::Workspace::workspaceEvent(xcb_generic_event_t*)
(this=0x55b64fbaecc0, e=0x7f21cc00bc30) at ./events.cpp:240
#13 0x00007f21e821d4df in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*)
(this=<optimized out>, eventType=..., message=message@entry=0x7f21cc00bc30,
result=result@entry=0x7ffd09238a68) at kernel/qabstracteventdispatcher.cpp:488
#14 0x00007f21d3a2fbac in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
(this=this@entry=0x55b64faa7e20, event=event@entry=0x7f21cc00bc30) at
qxcbconnection.cpp:550
#15 0x00007f21d3a306d6 in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55b64faa7e20, flags=...) at qxcbconnection.cpp:1029
#16 0x00007f21d3a5532c in
QXcbUnixEventDispatcher::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55b64faf3c00, flags=...) at qxcbeventdispatcher.cpp:61
#17 0x00007f21e821ed2a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffd09238bc0, flags=..., flags@entry=...) at
kernel/qeventloop.cpp:225
#18 0x00007f21e82284a0 in QCoreApplication::exec() () at
kernel/qcoreapplication.cpp:1383
#19 0x000055b64eb453db in main(int, char**) (argc=<optimized out>,
argv=0x7ffd09238e38) at ./main_x11.cpp:479
Possible duplicates by query: bug 421244, bug 420495, bug 417807, bug 417542,
bug 414147.
Reported using DrKonqi
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