https://bugs.kde.org/show_bug.cgi?id=376154
Bug ID: 376154
Summary: Second screen identified incorrectly
Product: plasmashell
Version: 5.9.0
Platform: Neon Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: Multi-screen support
Assignee: aleix...@kde.org
Reporter: david.heijk...@vonkpos.nl
CC: plasma-b...@kde.org
Target Milestone: 1.0
When I connect my laptop with an external / second screen using HDMI after a
fresh boot, the second screen gets recognized correctly: in the Displays System
Settings Module the proper name shows up (i.e. DELL U2515H). When I unplug the
screen, close the lid of my laptop, go to work and connect the laptop to
another external screen this screen will be recognized incorrectly as the first
screen I connected after a fresh boot into a X session. As a result the
incorrect monitor setup is recognized and applied which forces me to either
correct the display settings or to reboot (after which the second screen is
recognized correctly).
Looking at the kscreen.log (attached) a likely related logline is: "Failed to
find a matching mode - this means that our config is corruptedor a different
device with the same serial number has been connected (very unlikely).Falling
back to preferred modes."
In the past I've reset the kscreen settings by removing the
.local/share/kscreen directory before logging in to my Plasma desktop session.
After the upgrade from 5.8.x to 5.9.0 the problem seemed to be resolved, but
after a day or so it unfortunately reappeared.
My Laptop is Dell Latitude 5250 with integrated Intel video card, using the
i915 drive. I'm more than happy to help troubleshoot the issue, if I get some
instructions.
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