https://bugs.kde.org/show_bug.cgi?id=373181
Bug ID: 373181
Summary: Panel disappears (moves to invalid screen)
Product: plasmashell
Version: 5.7.5
Platform: Ubuntu Packages
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: Panel
Assignee: plasma-b...@kde.org
Reporter: amich...@amichais.net
Target Milestone: 1.0
I have a 2 monitor setup (Intel IGPU), running Kubuntu 16.10. Several times a
day (I think it's when the monitors go in or out of power savings mode), the
panel disappears; sometimes it re-appears in the same place, sometimes it
re-appears on the other monitor (so over the course of a day it might move back
and forth between the two monitors), and sometimes it doesn't re-appear at all.
I figured out that when it disappears completely, I can edit
~/.config/plasma-org.kde.plasma.desktop-appletsrc, search for all instances of
'lastScreen=X' and replace X with 0 or 1, and restart plasmashell.
Interestingly, and this is probably the source of the bug, when I look at all
the values of X in the file, it's full of invalid screen numbers - just now I
saw values range between 0 and 8. For some reason it seems to be incrementing
the screen number at some point, even though it gets to invalid values, rather
than limiting them to only valid screen numbers. And to clarify, there is no
reason for it to be updating this value at all as far as I know... I'm not
actually moving the panel or other widgets around between screens.
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