apparently something changed with the opengl implementation, kscreenlocker_greet segfault while trying to secure the screen. if i use embedded intel, it works as advertised. groo@kerberos:~$ /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet --testing --immediateLock --graceTime 5000 --ksldfd 50 QSocketNotifier: Invalid socket 50 and type 'Read', disabling... org.kde.kcoreaddons: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase file:///usr/share/plasma/wallpapers/org.kde.slideshow/contents/ui/main.qml:147: TypeError: Property 'setAction' of object ScreenLocker::WallpaperIntegration(0x21229c1590) is not a function Locked at 1503615880 No file found for ".xml" , even though update-mime-info said it would exist. Either it was just removed, or the directory doesn't have executable permission... ("/usr/share/mime") No file found for ".xml" , even though update-mime-info said it would exist. Either it was just removed, or the directory doesn't have executable permission... ("/usr/share/mime") org.kde.kcoreaddons: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase UdevQt: unable to create udev monitor connection WARNING: Cannot find style "org.kde.desktop" - fallback: "/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Styles/Base" Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) No metadata file in the package, expected it at: "/usr/share/backgrounds/" No metadata file in the package, expected it at: "/usr/share/backgrounds/" No metadata file in the package, expected it at: "/usr/share/backgrounds/" QOpenGLFramebufferObject: Unsupported framebuffer format. QOpenGLFramebufferObject: Framebuffer incomplete, missing attachment. KCrash: crashing... crashRecursionCounter = 2 KCrash: Application Name = kscreenlocker_greet path = /usr/lib/x86_64-linux-gnu/libexec pid = 5931 KCrash: Arguments: /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet --testing --immediateLock --graceTime 5000 --ksldfd 50 the screenlock then shows the screenlock is broken msg, use loginctl unlock-session
kde: 5.10.5 frameworks: 5.37.0 qt: 5.7.1 kernel: 4.12.5 nvidia: 384-69
Im also experiencing this issue. Just updated plasma today kde plasma: 5.10.5 frameworks: 5.37.0 qt version: 5.9.1 kernel: 4.10.0-32 nvidia: 384-69 USER@NERO:~$ /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet --testing --immediateLock --graceTime 5000 --ksldfd 50 QSocketNotifier: Invalid socket 50 and type 'Read', disabling... org.kde.kcoreaddons: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" Locked at 1503622294 No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" No metadata file in the package, expected it at: "/home/USER/Pictures/" org.kde.kcoreaddons: Failed to establish shared memory mapping, will fallback to private memory -- memory usage will increase UdevQt: unable to create udev monitor connection WARNING: Cannot find style "org.kde.desktop" - fallback: "/usr/lib/x86_64-linux-gnu/qt5/qml/QtQuick/Controls/Styles/Base" Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString) KCrash: crashing... crashRecursionCounter = 2 KCrash: Application Name = kscreenlocker_greet path = /usr/lib/x86_64-linux-gnu/libexec pid = 27650 KCrash: Arguments: /usr/lib/x86_64-linux-gnu/libexec/kscreenlocker_greet --testing --immediateLock --graceTime 5000 --ksldfd 50 Segmentation fault
Please add a backtrace.
*** This bug has been marked as a duplicate of bug 384005 ***