https://bugs.kde.org/show_bug.cgi?id=365622
Bug ID: 365622
Summary: konsole uses 100% cpu since the upgrade of freetype to
2.6.5
Product: konsole
Version: 16.04.2
Platform: Exherbo Packages
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: general
Assignee: konsole-de...@kde.org
Reporter: timo.g...@gmail.com
The latest freetype release offers new subpixel hinting options:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/devel/ftoption.h?id=596157365aeff6bb842fe741f8cf322890a952fe
When freetype 2.6.5 is compiled with "TT_CONFIG_OPTION_SUBPIXEL_HINTING 2"
which according the the information in the freetype commit is the new default
mode, then konsole is lagging and utilizing 100% CPU usage when switching tabs
or redrawing the screen, e.g. when opening/closing a file in vi, showing a git
diff --cached and so on.
Why I'm reporting this here and not on the freetype bugtracker is because
everything else seems to work fine, it's only konsole showing that extreme CPU
usage and lag. Attaching a screenshot of ksysguard showing the intense CPU
usage causing lags and delays when trying to work with konsole.
Reproducible: Always
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