During KDE (plasma?) init, the component of KDE that provides desktop menuing and the task-bar (same component?) crashes, leaving KDE with major functions unavailable. plasma-desktop-5.10.3-1.fc27.x86_64 It is unclear to me the exact component that's failing. It would sure be nice to have some way of telling what should be running and comparing that with what is running. Being able to restart all of KDE or the portions that have crashed would be a nice feature too.
We need the backtrace of the crashing application. From your description, it is plasmashell that crashes. Please try Alt+F2 > konsole and try starting plasmashell in gdb to get a backtrace.
Christoph, Apparently this is not a crash... gdb "said" no stack... Here's the log of what did happen. George... (gdb) run Starting program: /usr/bin/plasmashell [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib64/libthread_db.so.1". [New Thread 0x7f88f2a4c700 (LWP 4969)] [New Thread 0x7f88e4bb2700 (LWP 4970)] [New Thread 0x7f88e1517700 (LWP 4971)] [New Thread 0x7f88da394700 (LWP 4972)] [New Thread 0x7f88cf7bc700 (LWP 4973)] [New Thread 0x7f884881e700 (LWP 4974)] [New Thread 0x7f883f81d700 (LWP 4975)] [New Thread 0x7f884781d700 (LWP 4976)] [New Thread 0x7f884681c700 (LWP 4977)] [New Thread 0x7f884581b700 (LWP 4978)] [New Thread 0x7f883e81c700 (LWP 4979)] [New Thread 0x7f883d81b700 (LWP 4980)] [New Thread 0x7f881ffff700 (LWP 4981)] WARNING: Cannot find style "org.kde.desktop" - fallback: "/usr/lib64/qt5/qml/QtQuick/Controls/Styles/Desktop" trying to show an empty dialog file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Desktop.qml:147:19: QML Loader: Binding loop detected for property "height" file:///usr/share/plasma/shells/org.kde.plasma.desktop/contents/views/Desktop.qml:147:19: QML Loader: Binding loop detected for property "height" [New Thread 0x7f8817950700 (LWP 4982)] Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:362: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:363: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:364: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:365: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:362: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:363: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:364: TypeError: Cannot read property 'padding' of null file:///usr/lib64/qt5/qml/QtQuick/Controls/ScrollView.qml:365: TypeError: Cannot read property 'padding' of null Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/main.qml:78:27: Unable to assign [undefined] to QStringList file:///usr/share/plasma/plasmoids/org.kde.plasma.digitalclock/contents/ui/main.qml:37: TypeError: Cannot read property 'DateTime' of undefined s [Thread 0x7f88f2a4c700 (LWP 4969) exited] [Thread 0x7f884681c700 (LWP 4977) exited] [Thread 0x7f883d81b700 (LWP 4980) exited] [Thread 0x7f881ffff700 (LWP 4981) exited] [Thread 0x7f883e81c700 (LWP 4979) exited] [Thread 0x7f884581b700 (LWP 4978) exited] [Thread 0x7f884781d700 (LWP 4976) exited] [Thread 0x7f883f81d700 (LWP 4975) exited] [Thread 0x7f884881e700 (LWP 4974) exited] [Thread 0x7f88cf7bc700 (LWP 4973) exited] [Thread 0x7f88da394700 (LWP 4972) exited] [Thread 0x7f88e1517700 (LWP 4971) exited] [Thread 0x7f88e4bb2700 (LWP 4970) exited] [Thread 0x7f89078f7000 (LWP 4965) exited] [Inferior 1 (process 4965) exited with code 02] (gdb) where No stack.
Created attachment 106742 [details] tar.xz of plasmashell.messages and plasmashell.strace Christoph, Here's more info about this bug... and some extra messsages. George...
Dear Bug Submitter, This bug has been in NEEDSINFO status with no change for at least 15 days. Please provide the requested information as soon as possible and set the bug status as REPORTED. Due to regular bug tracker maintenance, if the bug is still in NEEDSINFO status with no change in 30 days, the bug will be closed as RESOLVED > WORKSFORME due to lack of needed information. For more information about our bug triaging procedures please read the wiki located here: https://community.kde.org/Guidelines_and_HOWTOs/Bug_triaging If you have already provided the requested information, please set the bug status as REPORTED so that the KDE team knows that the bug is ready to be confirmed. Thank you for helping us make KDE software even better for everyone!
Since this problem has not happened since I reported it, I presume it's no longer a problem. Please go ahead and close it. Thanks, George...
Thanks for the update!