https://bugs.kde.org/show_bug.cgi?id=377795
Bug ID: 377795
Summary: plasmashell runaway memory usage after switching
between external monitors with different resolution
Product: plasmashell
Version: master
Platform: Fedora RPMs
OS: Linux
Status: UNCONFIRMED
Severity: major
Priority: NOR
Component: general
Assignee: k...@davidedmundson.co.uk
Reporter: kn...@ifi.uio.no
CC: bhus...@gmail.com, plasma-b...@kde.org
Target Milestone: 1.0
I use a Lenovo Thinkpad T420 laptop, which has Intel integrated graphics (gen
2) and
runs Fedora 24. If I use the laptop's displayport connector to connect to one
external monitor,
then switch to another monitor with a different resolution (eg. from 1920x1200
to 2560x1440) or the opposite) plasmashell (sometimes?) starts a completely
runaway memory consumption -
my laptop has 8G of ram and within a few seconds after plugging into the second
monitor, the machine is almost not accessible due to thrashing.
I have been able to see plasmashell consuming > 5GB of resident memory before I
managed to kill it.
It appears to continue to accelerate until the oom killer kicks in..
I increased swap space to buy myself some time.
It happened most recently today, with plasma-workspace-5.8.5-1.fc24.x86_64.
The 1920x1200 was connected via a DVI to displayport adapter, while the
2560x1440 screen was connected with
a plain displayport cable, if that matters.
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