https://bugs.kde.org/show_bug.cgi?id=428022
Bug ID: 428022
Summary: ksmserver-logout-greeter crashing on logout
Product: ksmserver
Version: 5.20.0
Platform: Gentoo Packages
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: mky...@email.cz
CC: plasma-b...@kde.org
Target Milestone: ---
Created attachment 132587
--> https://bugs.kde.org/attachment.cgi?id=132587&action=edit
ksmserver-logout-greeter-20201020-162044.kcrash
SUMMARY
After upgrade to plasma 5.20 I can't logout/reboot/poweroff.
ksmserver-logout-greeter keeps crashing
STEPS TO REPRODUCE
1. Start plasma desktop
2. Try logout/restart/poweroff
OBSERVED RESULT
ksmserver-logout-greeter crash, session is not closed
EXPECTED RESULT
Session is closed, computer rebooted or switched off
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Gentoo linux
(available in About System)
KDE Plasma Version: 5.20
KDE Frameworks Version: 5.75
Qt Version: 5.15.1
ADDITIONAL INFORMATION
Full crash log attached.
Thread 1 (Thread 0x7f6ddbda2800 (LWP 5775)):
[KCrash Handler]
#6 0x00007f6ddfc646c1 in raise () from /lib64/libc.so.6
#7 0x00007f6ddfc4e53b in abort () from /lib64/libc.so.6
#8 0x00007f6de00f3bff in qt_message_fatal (context=..., message=<synthetic
pointer>...) at
/var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/global/qlogging.cpp:1914
#9 QMessageLogger::fatal (this=this@entry=0x7ffd3b05f570,
msg=msg@entry=0x7f6de1420310 "QDBusArgument: read from a write-only object") at
/var/tmp/portage/dev-qt/qtcore-5.15.1-r1/work/qtbase-everywhere-src-5.15.1/src/corelib/global/qlogging.cpp:893
#10 0x00007f6de13a5dc9 in QDBusArgumentPrivate::checkRead (d=<optimized out>)
at
/var/tmp/portage/dev-qt/qtdbus-5.15.1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qlogging.h:90
#11 0x00007f6de13a5e19 in QDBusArgumentPrivate::checkRead (d=<optimized out>)
at
/var/tmp/portage/dev-qt/qtdbus-5.15.1/work/qtbase-everywhere-src-5.15.1/include/QtCore/../../src/corelib/global/qlogging.h:90
#12 QDBusArgumentPrivate::checkReadAndDetach (d=<optimized out>) at
/var/tmp/portage/dev-qt/qtdbus-5.15.1/work/qtbase-everywhere-src-5.15.1/src/dbus/qdbusargument.cpp:152
#13 0x00007f6de13fb7b9 in QDBusArgument::beginArray (this=0x7ffd3b05f620) at
/var/tmp/portage/dev-qt/qtdbus-5.15.1/work/qtbase-everywhere-src-5.15.1/src/dbus/qdbusargument.cpp:1010
#14 0x00007f6de254e6f6 in SystemdSeat::getSessions() () from
/usr/lib64/libkworkspace5.so.5
#15 0x00007f6de254755a in getSessionsForSeat(QDBusObjectPath const&) () from
/usr/lib64/libkworkspace5.so.5
#16 0x00007f6de254907b in KDisplayManager::localSessions(QList<SessEnt>&) ()
from /usr/lib64/libkworkspace5.so.5
#17 0x00007f6dd1117af2 in SessionsModel::reload
(this=this@entry=0x560240b9c730) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.20.0/work/plasma-workspace-5.20.0/components/sessionsprivate/sessionsmodel.cpp:162
#18 0x00007f6dd11185f7 in SessionsModel::SessionsModel (this=0x560240b9c730,
parent=<optimized out>) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.20.0/work/plasma-workspace-5.20.0/components/sessionsprivate/sessionsmodel.cpp:42
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