I cannot reproduce, please reopen if you can provide backtrace etc. as explained on https://ffmpeg.org/bugreports.html
$ ffmpeg -loglevel 99 -f lavfi -i testsrc=s=hd1080 -vf drawtext=fontcolor=white:fontfile=msgothic.ttc:text=hoge:borderw=1 out.avi
ffmpeg version N-79976-gcb928fc Copyright (c) 2000-2016 the FFmpeg developers
built with gcc 4.7 (SUSE Linux)
configuration: --enable-gpl --enable-libfreetype --enable-fontconfig
libavutil 55. 24.100 / 55. 24.100
libavcodec 57. 41.102 / 57. 41.102
libavformat 57. 36.100 / 57. 36.100
libavdevice 57. 0.101 / 57. 0.101
libavfilter 6. 45.100 / 6. 45.100
libswscale 4. 1.100 / 4. 1.100
libswresample 2. 0.101 / 2. 0.101
libpostproc 54. 0.100 / 54. 0.100
Splitting the commandline.
Reading option '-loglevel' ... matched as option 'loglevel' (set logging level) with argument '99'.
Reading option '-f' ... matched as option 'f' (force format) with argument 'lavfi'.
Reading option '-i' ... matched as input file with argument 'testsrc=s=hd1080'.
Reading option '-vf' ... matched as option 'vf' (set video filters) with argument 'drawtext=fontcolor=white:fontfile=msgothic.ttc:text=hoge:borderw=1'.
Reading option 'out.avi' ... matched as output file.
Finished splitting the commandline.
Parsing a group of options: global .
Applying option loglevel (set logging level) with argument 99.
Successfully parsed a group of options.
Parsing a group of options: input file testsrc=s=hd1080.
Applying option f (force format) with argument lavfi.
Successfully parsed a group of options.
Opening an input file: testsrc=s=hd1080.
detected 8 logical cores
[Parsed_testsrc_0 @ 0x242e1e0] Setting 's' to value 'hd1080'
[Parsed_testsrc_0 @ 0x242e1e0] size:1920x1080 rate:25/1 duration:-1.000000 sar:1/1
[AVFilterGraph @ 0x242cc60] query_formats: 2 queried, 1 merged, 0 already done, 0 delayed
[lavfi @ 0x242c420] All info found
[lavfi @ 0x242c420] 0: start_time: 0.000 duration: -9223372036854.775
[lavfi @ 0x242c420] stream: start_time: 0.000 duration: -9223372036854.775 bitrate=0 kb/s
Input #0, lavfi, from 'testsrc=s=hd1080':
Duration: N/A, start: 0.000000, bitrate: N/A
Stream #0:0, 1, 1/25: Video: rawvideo, 1 reference frame (RGB[24] / 0x18424752), rgb24, 1920x1080 (0x0) [SAR 1:1 DAR 16:9], 0/1, 25 fps, 25 tbr, 25 tbn
Successfully opened the file.
Parsing a group of options: output file out.avi.
Applying option vf (set video filters) with argument drawtext=fontcolor=white:fontfile=msgothic.ttc:text=hoge:borderw=1.
Successfully parsed a group of options.
Opening an output file: out.avi.
[file @ 0x2434d40] Setting default whitelist 'file,crypto'
Successfully opened the file.
[Parsed_drawtext_0 @ 0x243e0e0] Setting 'fontcolor' to value 'white'
[Parsed_drawtext_0 @ 0x243e0e0] Setting 'fontfile' to value 'msgothic.ttc'
[Parsed_drawtext_0 @ 0x243e0e0] Setting 'text' to value 'hoge'
[Parsed_drawtext_0 @ 0x243e0e0] Setting 'borderw' to value '1'
[Parsed_drawtext_0 @ 0x243e0e0] Could not set tabsize.
[AVFilterGraph @ 0x243d160] Error initializing filter 'drawtext' with args 'fontcolor=white:fontfile=msgothic.ttc:text=hoge:borderw=1'
Error opening filters!
[AVIOContext @ 0x243ce40] Statistics: 0 seeks, 0 writeouts
