https://bugs.kde.org/show_bug.cgi?id=379344
--- Comment #2 from NOGISAKA Sadata <ngsk...@gmail.com> --- Created attachment 105391 --> https://bugs.kde.org/attachment.cgi?id=105391&action=edit backtrace of systemsettings5 using gdb Here is backtrace for systemsetting5 using gdb. It seems that below would be infinite loop: 0x00007ffff5999f5f in QFontEngine::alphaMapForGlyph(unsigned int, QFixed, QTransform c 0x00007fffe7861b1d in QFontEngineFT::alphaMapForGlyph(unsigned int, QFixed, QTransform 0x00007fffe7859e4e in QFontEngineFT::alphaMapForGlyph(unsigned int, QFixed) () from /usr/lib/libQt5XcbQpa.so.5 -- You are receiving this mail because: You are watching all bug changes.