Public bug reported:
plasmashell kept crashing with segmentation fault.
(plasma-workspace 4:5.14.5-0ubuntu1~ubuntu1)
Removing .kde, .config, .local, using a different user. All results were the same
So I did a backtrace:
raul at nostromo:~$ gdb plasmashell
GNU gdb (Ubuntu 8.2-0ubuntu1) 8.2
Copyright (C) 2018 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Lendo símbolos de plasmashell...(no debugging symbols found)...concluído.
(gdb) run
Starting program: /usr/bin/plasmashell
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7fffed9ce700 (LWP 19067)]
[New Thread 0x7fffe7fff700 (LWP 19068)]
[New Thread 0x7fffe6dee700 (LWP 19069)]
org.kde.plasmaquick: Applet preload policy set to 1
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/main.qml:61:28: Unable to assign [undefined] to int
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/main.qml:52:27: Unable to assign [undefined] to int
trying to show an empty dialog
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/main.qml:61:28: Unable to assign [undefined] to int
file:///usr/share/plasma/plasmoids/org.kde.desktopcontainment/contents/ui/main.qml:52:27: Unable to assign [undefined] to int
trying to show an empty dialog
[New Thread 0x7fffd7fff700 (LWP 19072)]
[New Thread 0x7fffcffff700 (LWP 19073)]
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion
Both point size and pixel size set. Using pixel size.
Both point size and pixel size set. Using pixel size.
Both point size and pixel size set. Using pixel size.
trying to show an empty dialog
trying to show an empty dialog
Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion
Failed to find service for Unity Launcher "application://Franz.desktop"
[Detaching after fork from child process 19077]
Trying to use rootObject before initialization is completed, whilst using setInitializationDelayed. Forcing completion
kde.dataengine.notifications`: Failed to register Notifications service
[New Thread 0x7fffc2df7700 (LWP 19079)]
libkcups: Create-Printer-Subscriptions last error: 0 successful-ok
libkcups: Get-Jobs last error: 0 successful-ok
libkcups: Get-Jobs last error: 0 successful-ok
[Detaching after fork from child process 19080]
inotify_add_watch("/var/lib/PackageKit/offline-update-action") failed: "No such file or directory"
[New Thread 0x7fffc146e700 (LWP 19082)]
[New Thread 0x7fffc0c58700 (LWP 19083)]
[New Thread 0x7fffb3fff700 (LWP 19084)]
[New Thread 0x7fffb37fe700 (LWP 19085)]
org.kde.plasmaquick: New Applet "Application Launcher" with a weight of 75
org.kde.plasmaquick: New Applet "Digital Clock" with a weight of 0
Plasma Shell startup completed
libkcups: 10
Thread 1 "plasmashell" received signal SIGSEGV, Segmentation fault.
0x00007fffc3d6991e in JobModel::updateJob(int, KCupsJob const&) () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
(gdb) bt
#0 0x00007fffc3d6991e in JobModel::updateJob(int, KCupsJob const&) () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#1 0x00007fffc3d6bec7 in JobModel::getJobFinished(KCupsRequest*) () at /usr/lib/x86_64-linux-gnu/libkcupslib.so
#2 0x00007ffff5d3df92 in QObject::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#3 0x00007ffff68494a1 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#4 0x00007ffff6850ae0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5 0x00007ffff5d14499 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#6 0x00007ffff5d1748b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#7 0x00007ffff5d66b23 in () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#8 0x00007ffff2ec0c3e in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#9 0x00007ffff2ec0ed8 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff2ec0f6c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff5d66143 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007fffee9a5e51 in () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#13 0x00007ffff5d1316b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#14 0x00007ffff5d1b2e2 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x000055555557419b in ()
#16 0x00007ffff575909b in __libc_start_main (main=
0x555555573690, argc=1, argv=0x7fffffffda08, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffd9f8) at ../csu/libc-start.c:308
#17 0x000055555557461a in _start ()
(gdb) quit
$ dpkg -S /usr/lib/x86_64-linux-gnu/libkcupslib.so
print-manager: /usr/lib/x86_64-linux-gnu/libkcupslib.so
$ sudo apt remove print-manager
and plasmashell worksagain.-
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: print-manager (not installed)
Uname: Linux 4.18.20-041820-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: KDE
Date: Thu Jan 31 11:51:01 2019
InstallationDate: Installed on 2014-05-12 (1725 days ago)
InstallationMedia: Error: [Errno 13] Permissão negada: '/var/log/installer/media-info'
SourcePackage: print-manager
UpgradeStatus: Upgraded to cosmic on 2018-10-22 (101 days ago)
** Affects: print-manager (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic
--
You received this bug notification because you are a member of Kubuntu
Bugs, which is subscribed to print-manager in Ubuntu.
https://bugs.launchpad.net/bugs/1814106
Title:
plasmashell segs fault with print-manager
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/print-manager/+bug/1814106/+subscriptions