https://bugs.kde.org/show_bug.cgi?id=439536
Bug ID: 439536
Summary: I was entering desktop grid using a hot corner while
multiple apps were opening simultaneously
Product: kwin
Version: 5.22.2
Platform: Neon Packages
OS: Linux
Status: REPORTED
Keywords: drkonqi
Severity: crash
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: nevadape...@gmail.com
Target Milestone: ---
Application: kwin_x11 (5.22.2)
Qt Version: 5.15.3
Frameworks Version: 5.83.0
Operating System: Linux 5.4.0-77-generic x86_64
Windowing System: X11
Drkonqi Version: 5.22.2
Distribution: KDE neon User Edition 5.22
-- Information about the crash:
- What I was doing when the application crashed:
I was entering desktop grid using a hot corner while multiple apps were opening
simultaneously
The reporter is unsure if this crash is reproducible.
-- Backtrace:
Application: KWin (kwin_x11), signal: Segmentation fault
[New LWP 1775]
[New LWP 1819]
[New LWP 1926]
[New LWP 1950]
[New LWP 4818]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007ff86b5abaff in __GI___poll (fds=0x7ffcb1010bb8, nfds=1, timeout=1000) at
../sysdeps/unix/sysv/linux/poll.c:29
[Current thread is 1 (Thread 0x7ff865c17340 (LWP 1769))]
Thread 6 (Thread 0x7ff803fff700 (LWP 4818)):
#0 futex_wait_cancelable (private=<optimized out>, expected=0,
futex_word=0x55812b9fe634) at ../sysdeps/nptl/futex-internal.h:183
#1 __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x55812b9fe5e0,
cond=0x55812b9fe608) at pthread_cond_wait.c:508
#2 __pthread_cond_wait (cond=0x55812b9fe608, mutex=0x55812b9fe5e0) at
pthread_cond_wait.c:638
#3 0x00007ff86b9ddf2b in QWaitConditionPrivate::wait (deadline=...,
this=0x55812b9fe5e0) at thread/qwaitcondition_unix.cpp:146
#4 QWaitCondition::wait (this=<optimized out>, mutex=0x55812b9fd090,
deadline=...) at thread/qwaitcondition_unix.cpp:225
#5 0x00007ff86a9cfb44 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#6 0x00007ff86a9cffb9 in ?? () from /lib/x86_64-linux-gnu/libQt5Quick.so.5
#7 0x00007ff86b9d7dbc in QThreadPrivate::start (arg=0x55812b9fcff0) at
thread/qthread_unix.cpp:329
#8 0x00007ff86a0d0609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#9 0x00007ff86b5b8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 5 (Thread 0x7ff8425c7700 (LWP 1950)):
#0 0x00007ff86b5ae12b in __GI___select (nfds=39, readfds=0x7ff8425c6ca0,
writefds=0x0, exceptfds=0x0, timeout=0x7ff8425c6c90) at
../sysdeps/unix/sysv/linux/select.c:41
#1 0x00007ff85e93a991 in ?? () from
/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.80
#2 0x00007ff85e93847a in ?? () from
/lib/x86_64-linux-gnu/libnvidia-glcore.so.460.80
#3 0x00007ff86a0d0609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#4 0x00007ff86b5b8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 4 (Thread 0x7ff8520f1700 (LWP 1926)):
#0 0x00007ff86b5abbf6 in __ppoll (fds=fds@entry=0x7ff848000d98,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007ff86bc14ec9 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff848000d98) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff848000d98) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll (fds=0x7ff848000d98, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:155
#5 0x00007ff86bc16573 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007ff86bbbd25b in QEventLoop::exec (this=this@entry=0x7ff8520f0ce0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007ff86b9d6c22 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007ff86b9d7dbc in QThreadPrivate::start (arg=0x7ff860005800) at
thread/qthread_unix.cpp:329
#9 0x00007ff86a0d0609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#10 0x00007ff86b5b8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 3 (Thread 0x7ff853fb9700 (LWP 1819)):
#0 0x00007ff86b5abbf6 in __ppoll (fds=fds@entry=0x7ff84c000d78,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007ff86bc14ec9 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff84c000d78) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff84c000d78) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll (fds=0x7ff84c000d78, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:155
#5 0x00007ff86bc16573 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007ff86bbbd25b in QEventLoop::exec (this=this@entry=0x7ff853fb8cc0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007ff86b9d6c22 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007ff86a653559 in ?? () from /lib/x86_64-linux-gnu/libQt5Qml.so.5
#9 0x00007ff86b9d7dbc in QThreadPrivate::start (arg=0x55812b1355f0) at
thread/qthread_unix.cpp:329
#10 0x00007ff86a0d0609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007ff86b5b8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 2 (Thread 0x7ff8648a2700 (LWP 1775)):
#0 0x00007ff86b5abbf6 in __ppoll (fds=fds@entry=0x7ff858007508,
nfds=nfds@entry=1, timeout=<optimized out>, timeout@entry=0x0,
sigmask=sigmask@entry=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:44
#1 0x00007ff86bc14ec9 in ppoll (__ss=<optimized out>, __timeout=<optimized
out>, __nfds=<optimized out>, __fds=<optimized out>) at
/usr/include/x86_64-linux-gnu/bits/poll2.h:77
#2 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff858007508) at
kernel/qcore_unix.cpp:132
#3 qt_ppoll (timeout_ts=0x0, nfds=1, fds=0x7ff858007508) at
kernel/qcore_unix.cpp:129
#4 qt_safe_poll (fds=0x7ff858007508, nfds=1, timeout_ts=timeout_ts@entry=0x0)
at kernel/qcore_unix.cpp:155
#5 0x00007ff86bc16573 in QEventDispatcherUNIX::processEvents (this=<optimized
out>, flags=...) at
../../include/QtCore/../../src/corelib/tools/qarraydata.h:211
#6 0x00007ff86bbbd25b in QEventLoop::exec (this=this@entry=0x7ff8648a1cb0,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#7 0x00007ff86b9d6c22 in QThread::exec (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#8 0x00007ff86b882f4b in ?? () from /lib/x86_64-linux-gnu/libQt5DBus.so.5
#9 0x00007ff86b9d7dbc in QThreadPrivate::start (arg=0x7ff86b906d80) at
thread/qthread_unix.cpp:329
#10 0x00007ff86a0d0609 in start_thread (arg=<optimized out>) at
pthread_create.c:477
#11 0x00007ff86b5b8293 in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Thread 1 (Thread 0x7ff865c17340 (LWP 1769)):
[KCrash Handler]
#4 0x00007ff86cf169d6 in
KWin::AbstractClient::setDesktops(QVector<KWin::VirtualDesktop*>) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#5 0x00007ff86cf71d61 in
KWin::EffectsHandlerImpl::windowToDesktops(KWin::EffectWindow*,
QVector<unsigned int> const&) () from /lib/x86_64-linux-gnu/libkwin.so.5
#6 0x00007ff86b3c3540 in ?? () from
/lib/x86_64-linux-gnu/libkwin4_effect_builtins.so.1
#7 0x00007ff86cf749bf in
KWin::EffectsHandlerImpl::checkInputWindowEvent(QMouseEvent*) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#8 0x00007ff85d9bc4ae in KWin::EffectsMouseInterceptionX11Filter::event
(this=0x55812b018440, event=0x7ff860013b20) at
./src/plugins/platforms/x11/standalone/effects_mouse_interception_x11_filter.cpp:90
#9 0x00007ff86cfc59c4 in
KWin::Application::dispatchEvent(xcb_generic_event_t*) () from
/lib/x86_64-linux-gnu/libkwin.so.5
#10 0x00007ff86bbbbbef in QAbstractEventDispatcher::filterNativeEvent
(this=<optimized out>, eventType=..., message=message@entry=0x7ff860013b20,
result=result@entry=0x7ffcb1011d18) at kernel/qabstracteventdispatcher.cpp:495
#11 0x00007ff8657cc8f5 in QXcbConnection::handleXcbEvent
(this=this@entry=0x55812ae73f10, event=event@entry=0x7ff860013b20) at
qxcbnativeinterface.h:101
#12 0x00007ff8657cd646 in QXcbConnection::processXcbEvents
(this=0x55812ae73f10, flags=...) at qxcbconnection.cpp:1014
#13 0x00007ff8657f7240 in QXcbUnixEventDispatcher::processEvents
(this=0x55812af277c0, flags=...) at qxcbeventdispatcher.cpp:61
#14 0x00007ff86bbbd25b in QEventLoop::exec (this=this@entry=0x7ffcb1011e60,
flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:141
#15 0x00007ff86bbc5414 in QCoreApplication::exec () at
../../include/QtCore/../../src/corelib/global/qflags.h:121
#16 0x000055812a33ca6d in main (argc=<optimized out>, argv=0x7ffcb10120f8) at
./src/main_x11.cpp:479
[Inferior 1 (process 1769) detached]
Reported using DrKonqi
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