https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=199438
Bug ID: 199438
Summary: vt(4) cannot load GNU Unifont
Product: Base System
Version: 10.1-RELEASE
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
Created attachment 155584
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=155584&action=edit
Increase VTFONT_MAXMAPPINGS and VTFONT_MAXGLYPHSIZE
I downloaded GNU Unifont from this website:
http://www.unifoundry.com/unifont.html
I tried to convert the BDF file to FNT file with vtfontcvt, but I got E2BIG
error when trying to load the converted file with vidcontrol -f.
It seems it was caused by the limits set in sys/dev/vt/vt_font.c.
#define VTFONT_MAXMAPPINGS 8192
#define VTFONT_MAXGLYPHSIZE 1048576
The values showed when loading the font.
f->map_count[0] = 12894
f->map_count[1] = 23362
f->map_count[2] = 0
f->map_count[3] = 0
glyphsize = 1133296
If I increase the limit with the attached patch, the font can be successfully
loaded.
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