On 17 December 2015 at 18:34, Norbert Preining preining@logic.at wrote:
font corruption sometime sets of glyphs, or practically all glyphs disappear related probably to bug https://bugs.freedesktop.org/show_bug.cgi?id=55500 I have sent some info there already, without response
Currently my font displays some kind of strange symbols instead of an m ... looks a bit like a Kanji.
I remember a similar bug around 2.99.917 but that tag is over a year old now and there have been many bug fixes since. You'll need to verify you can still reproduce your issue with the latest from git://anongit.freedesktop.org/xorg/driver/xf86-video-intel and if so do a bisect from the previous working kernel or xf86-video-intel to identify the problematic commit.