<nic(a)niss.ac.uk> writes:
 #3  0x81174eb in map_subwindow (subwindow=144580960, x=62, y=562, 
     dga=0xbffff320) at glyphs.c:4423
 #4  0x815dc53 in redisplay_output_layout (w=0x8b67ef0, 
     image_instance=146181784, db=0xbffff484, dga=0xbffff474, findex=15, 
     cursor_start=0, cursor_width=0, cursor_height=0) at redisplay-output.c:1216 
Join the club. There are at least two others seeing this crash..
No known cause yet. Do the progress bar examples from
tests/glyp-test.el work for you?
Jan