I get what appears to be the same or similar crash. Redhat 6.1, fairly recent cvs... maybe a week old. All i have to do is load tests/glyph-test.el and eval it. Ka-boom. Lisp backtrace follows: # (unwind-protect ...) specifier-instance(#<image-specifier global=((... . ...) (... . ...) (... . ...)) fallback=((nil . ...)) 0x30de> nil nil nil) # bind (value no-fallback default domain property glyph) glyph-property-instance(#<glyph (buffer) #<image-specifier global=(... ... ...) fallback=(...) 0x30de>0x30dd> image nil nil nil) # bind (no-fallback default domain glyph) glyph-image-instance(#<glyph (buffer) #<image-specifier global=(... ... ...) fallback=(...) 0x30de>0x30dd>) (set-image-instance-property (glyph-image-instance pgauge) :percent x) ) (while (<= x 100) (set-image-instance-property (glyph-image-instance pgauge) :percent x) (setq x (+ x 5)) (sit-for 0.1)) ) # bind (x) (let ((x 0)) (while (<= x 100) (set-image-instance-property ... :percent x) (setq x ...) (sit-for 0.1))) ) # bind (current-load-list) # (unwind-protect ...) # bind (standard-output) eval-buffer("glyph-test.el") # bind (command-debug-status) call-interactively(eval-buffer) command-execute(eval-buffer t) # bind (_execute_command_keys_ _execute_command_name_ prefix-arg) execute-extended-command(nil) # bind (command-debug-status) call-interactively(execute-extended-command) # (condition-case ... . error) # (catch top-level ...) Segmentation fault (core dumped) Reading symbols from /lib/libnss_files.so.2...done. #0 0x403114e1 in __kill () from /lib/libc.so.6 (gdb) where #0 0x403114e1 in __kill () from /lib/libc.so.6 #1 0x8083b41 in fatal_error_signal (sig=11) at emacs.c:276 #2 0x40311408 in __restore () at ../sysdeps/unix/sysv/linux/i386/sigaction.c:127 #3 0x819ec63 in MaxLabel (gw=0x8561e48, wid=0xbfffe100, hgt=0xbfffe102, w0=0xbfffe104, w1=0xbfffe106) at xlwgauge.c:967 #4 0x819da7e in GaugeResize (w=0x8561e48) at xlwgauge.c:327 #5 0x40060487 in Initialize () from /usr/X11R6/lib/libXaw3d.so.6 #6 0x4014d405 in CallInitialize () from /usr/X11R6/lib/libXt.so.6 #7 0x4014d3cd in CallInitialize () from /usr/X11R6/lib/libXt.so.6 #8 0x4014d913 in xtCreate () from /usr/X11R6/lib/libXt.so.6 #9 0x4014ddd1 in _XtCreateWidget () from /usr/X11R6/lib/libXt.so.6 #10 0x4014ded1 in XtCreateManagedWidget () from /usr/X11R6/lib/libXt.so.6 #11 0x8198401 in xaw_create_progress (instance=0x851b110) at lwlib-Xaw.c:808 #12 0x8196a58 in instantiate_widget_instance (instance=0x851b110) at lwlib.c:879 #13 0x8196b34 in lw_make_widget (id=65544, parent=0x85252b0, pop_up_p=0 '\000') at lwlib.c:358 #14 0x819735e in lw_create_widget (type=0x81f7339 "progress", name=0x84ec820 "ok", id=65544, val=0x853b2c0, parent=0x85252b0, pop_up_p=0 '\000', pre_activate_cb=0, selection_cb=0x80a39f0 <popup_selection_callback>, post_activate_cb=0) at lwlib.c:931 ---Type <return> to continue, or q <return> to quit--- #15 0x8179cfc in x_widget_instantiate (image_instance=139613320, instantiator=139613208, pointer_fg=136627076, pointer_bg=136627076, dest_mask=239, domain=139686624, type=0x81f7339 "progress", wv=0x853b2c0) at glyphs-x.c:2439 #16 0x817bbf4 in x_progress_gauge_instantiate (image_instance=139613320, instantiator=139613208, pointer_fg=136627076, pointer_bg=136627076, dest_mask=239, domain=139686624) at glyphs-x.c:2580 #17 0x80ec491 in instantiate_image_instantiator (device=139505808, domain=139686624, instantiator=139613208, pointer_fg=136627076, pointer_bg=136627076, dest_mask=239) at glyphs.c:605 #18 0x80f01a7 in image_instantiate (specifier=139613760, matchspec=136369548, domain=139686624, instantiator=139613208, depth=3) at glyphs.c:2564 #19 0x8086da2 in call_with_suspended_errors ( fun=0x80efce0 <image_instantiate>, retval=136369548, class=136748100, errb={ really_unlikely_name_to_have_accidentally_in_a_non_errb_structure = 666}, nargs=5) at eval.c:2126