Bug 394871 - plasmashell fails to start due to error libactivityswitcherextensionplugin.so library
Summary: plasmashell fails to start due to error libactivityswitcherextensionplugin.so...
Status: RESOLVED FIXED
Alias: None
Product: plasmashell
Classification: Plasma
Component: Activity Switcher sidebar (show other bugs)
Version: 5.12.90
Platform: Neon Linux
: NOR major
Target Milestone: 1.0
Assignee: Ivan Čukić
URL: https://mail.kde.org/pipermail/kde-fr...
Keywords:
: 394870 (view as bug list)
Depends on:
Blocks:
 
Reported: 2018-05-30 19:47 UTC by TYY331
Modified: 2018-05-30 23:03 UTC (History)
3 users (show)

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Description TYY331 2018-05-30 19:47:32 UTC 
In a recent update the desktop fails to start.
Plasmashell can't initialize correctly due to an error in libactivityswitcherextensionplugin.so:

/usr/bin/plasmashell: symbol lookup error: /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/activityswitcher/libactivityswitcherextensionplugin.so: undefined symbol: _ZN11KActivities15ActivitiesModelC1ERK7QVectorINS_4Info5StateEEP7QObject

Workaround: move the file so plasmashell doesn't find it, the desktop is able to start but activities, desktop wallpaper and icons are disabled, but the panels and widgets work.
in a TTY type:
sudo mv /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/activityswitcher/libactivityswitcherextensionplugin.so /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/plasma/activityswitcher/libactivityswitcherextensionplugin.so.bak

The error appeared in a recent plasma-desktop update 4:5.12.5+p16.04+git20180530.0845-0
Comment 1 Christoph Feck 2018-05-30 19:51:59 UTC 
Fixed in git, see https://commits.kde.org/kactivities/df518a3b65bcb704085700bf10f962380c61bacf

Depending on how much packages need to be re-compiled and re-published, it could need some time until the fix reaches users.
Comment 2 Christoph Feck 2018-05-30 22:57:20 UTC 
*** Bug 394870 has been marked as a duplicate of this bug. ***
Comment 3 Christoph Feck 2018-05-30 22:58:55 UTC 
CC'ing neon maintainer. Maybe it is possible to push updates manually to make this process faster.