https://bugs.kde.org/show_bug.cgi?id=439356
Bug ID: 439356
Summary: ksmserver-logout-greeter is dying with an SIGSEGV
when it is called (under X11)
Product: ksmserver
Version: 5.22.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: grave
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: christian.gro...@gmx.de
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
In X11 mode i logged in KDE and when i decide to logout or reboot
i use the very standard way calling the main-menu and
called logout. (Wayland does not have theses problems, it has other ;-( )
The expected dialog logout-greeter did not appear as expected
and a message informed me, that this application crashed.
Linux-Distro: Fedora FC34 (updated)
Running in X11 (not Wayland)
Hardware: old i7-3xxxx system with an RadeonHD8830M card and 3 attached 4k
monitors
Affected Package: plasma-workspace-5.22.2.1-1.fc34
STEPS TO REPRODUCE
1. Login using the X11 driver
2. Call logout and wait a bit
3. a crash note is beeing shown, that your ksmserver-logout-greeter received a
SEGV
OBSERVED RESULT
a segv indication is shown.
EXPECTED RESULT
a shown logout-greeter page
SOFTWARE/OS VERSIONS
Windows: ugh
macOS: bah
Linux/KDE Fedora F34, shipped with KDE/Plasma system (no changes)
(available in About System)
KDE Plasma Version: 5.22.2.1-1.fc34.x86_64
KDE Frameworks Version: kdelibs-common-4.14.38-26.fc34.x86_64
Qt Version: qt-4.8.7-60.fc34.x86_64,qt5-qtx11extras-5.15.2-3.fc34
ADDITIONAL INFORMATION
see https://bugzilla.redhat.com/show_bug.cgi?id=1976612
reporter: libreport-2.15.2
backtrace_rating: 4
cgroup:
0::/user.slice/user-1002.slice/user@1002.service/app.slice/app-\x2fusr\x2flibexec\x2fksmserver\x2dlogout\x2dgreeter-69e5e3a9eda946e88abc3141de712e32.scope
cmdline: /usr/libexec/ksmserver-logout-greeter
crash_function: __cxxabiv1::__dynamic_cast
executable: /usr/libexec/ksmserver-logout-greeter
journald_cursor:
s=cec56d65e160480bacbe1de5e0423ad4;i=6757c;b=ec068e6ef8334c7b85c422b0034e23c1;m=e277776a;t=5c5bfcda86036;x=621a359a128028dd
kernel: 5.12.12-300.fc34.x86_64
rootdir: /
runlevel: N 5
type: CCpp
uid: 1002
Truncated backtrace:
Thread no. 1 (10 frames)
#0 __cxxabiv1::__dynamic_cast at
../../../../libstdc++-v3/libsupc++/dyncast.cc:71
#1 LayerShellQt::WindowPrivate::getSurface at
/usr/src/debug/layer-shell-qt-5.22.2.1-1.fc34.x86_64/src/interfaces/window.cpp:137
#2 LayerShellQt::Window::setKeyboardInteractivity at
/usr/src/debug/layer-shell-qt-5.22.2.1-1.fc34.x86_64/src/interfaces/window.cpp:82
#3 KSMShutdownDlg::init at
/usr/src/debug/plasma-workspace-5.22.2.1-1.fc34.x86_64/logout-greeter/shutdowndlg.cpp:213
#4 Greeter::adoptScreen at
/usr/src/debug/plasma-workspace-5.22.2.1-1.fc34.x86_64/logout-greeter/greeter.cpp:90
#5 Greeter::init at
/usr/src/debug/plasma-workspace-5.22.2.1-1.fc34.x86_64/logout-greeter/greeter.cpp:67
#6 LogoutPromptAdaptor::qt_metacall at
/usr/src/debug/plasma-workspace-5.22.2.1-1.fc34.x86_64/x86_64-redhat-linux-gnu/logout-greeter/logoutpromptadaptor.moc:130
#7 QDBusConnectionPrivate::deliverCall at
../../include/QtCore/../../src/corelib/tools/qvarlengtharray.h:201
#8 QDBusConnectionPrivate::activateCall at qdbusintegrator.cpp:904
#10 QDBusConnectionPrivate::activateObject at qdbusintegrator.cpp:1497
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