Another core dump. This time a more complete trace: Note: I have NEVER had any core dumps with any betas before 19. Program received signal SIGSEGV, Segmentation fault. __libc_free (mem=0x110) at malloc.c:2914 malloc.c:2914: No such file or directory. (gdb) where #0 __libc_free (mem=0x110) at malloc.c:2914 #1 0x805577c in xfree (block=0x110) at /usr/local/src/xemacs-21/src/alloc.c:318 #2 0x8134b87 in x_finalize_image_instance (p=0x85167a8) at /usr/local/src/xemacs-21/src/glyphs-x.c:424 #3 0x80cf330 in finalize_image_instance (header=0x85167a8, for_disksave=0) at /usr/local/src/xemacs-21/src/glyphs.c:816 #4 0x80529f2 in sweep_lcrecords_1 (prev=0x81924d0, used=0xbfffec78) at /usr/local/src/xemacs-21/src/alloc.c:2569 #5 0x8053779 in gc_sweep () at /usr/local/src/xemacs-21/src/alloc.c:3159 #6 0x8053fd9 in garbage_collect_1 () at /usr/local/src/xemacs-21/src/alloc.c:3476 #7 0x807e439 in Ffuncall (nargs=4, args=0xbfffed40) at /usr/local/src/xemacs-21/src/eval.c:3135 #8 0x805ccdb in execute_optimized_program ( program=0x8626e24 "\212\214\b\t}\210\n«\004à \210eb\210ÄÅ\016\006ÇÈÅ\016\006Ç°\aÉÊ#«\nËÌ!\210eb\210ªçÉ\211\211\036\r\036\016\036\017Ä\016\006ÉÊ#­\024ÐÑ\224Ñ\225{Ñ\224Ñ\225|\210\016\022\"c\210ªæ-\20759", stack_depth=8, constants_data=0x860b8b0) at /usr/local/src/xemacs-21/src/bytecode.c:747 #9 0x805c976 in funcall_compiled_function (fun=140556548, nargs=4, args=0xbfffee40) at /usr/local/src/xemacs-21/src/bytecode.c:520 #10 0x807e802 in Ffuncall (nargs=5, args=0xbfffee3c) at /usr/local/src/xemacs-21/src/eval.c:3221 #11 0x805ccdb in execute_optimized_program ( program=0x882858c "eb\210ÀÁÂÃ#«&eb\210ÀÄÂÃ#­!ÅÆ\224Æ\225ÇÈ$\210ÀÉÂÃ#«êÅÊ\224Ê\225ÇÈ$\210ªßÅedÃ#\207", stack_depth=5, constants_data=0x882bd48) at /usr/local/src/xemacs-21/src/bytecode.c:747 #12 0x805c976 in funcall_compiled_function (fun=142788424, nargs=0, args=0xbffff0ac) at /usr/local/src/xemacs-21/src/bytecode.c:520 #13 0x807e802 in Ffuncall (nargs=1, args=0xbffff0a8) at /usr/local/src/xemacs-21/src/eval.c:3221 #14 0x807f04f in run_hook_with_args_in_buffer (buf=0x85fbb40, nargs=1, args=0xbffff0a8, cond=RUN_HOOKS_TO_COMPLETION) at /usr/local/src/xemacs-21/src/eval.c:3671 #15 0x80815da in run_hook_with_args (nargs=1, args=0xbffff0a8, cond=RUN_HOOKS_TO_COMPLETION) at /usr/local/src/xemacs-21/src/eval.c:3684 #16 0x8082ff0 in Frun_hooks (nargs=1, args=0xbffff0a8) at /usr/local/src/xemacs-21/src/eval.c:3539 #17 0x807e7b0 in Ffuncall (nargs=2, args=0xbffff0a4) at /usr/local/src/xemacs-21/src/eval.c:3206 #18 0x807eb1c in Fapply (nargs=2, args=0xbffff0a4) at /usr/local/src/xemacs-21/src/eval.c:3399 #19 0x807e7b0 in Ffuncall (nargs=3, args=0xbffff0a0) at /usr/local/src/xemacs-21/src/eval.c:3206 #20 0x805ccdb in execute_optimized_program ( program=0x85fd7dc "p\030Á\216ÂÃ\f\"*\207\022＠(", stack_depth=3, constants_data=0x8603b78) at /usr/local/src/xemacs-21/src/bytecode.c:747 #21 0x805c976 in funcall_compiled_function (fun=140575564, nargs=1, args=0xbffff18c) at /usr/local/src/xemacs-21/src/bytecode.c:520 #22 0x807e802 in Ffuncall (nargs=2, args=0xbffff188) at /usr/local/src/xemacs-21/src/eval.c:3221 #23 0x805ccdb in execute_optimized_program ( program=0x8742a0c "À\021\n\013®\002\fÅ\211\211\036\006\036\a\036\b\e\036\t\212\nq\210ÊË!\210eb\210m¬\013ÅÌÍ\217\210Îy\210ªô\016\017«\005\016\020¬\006\016\a\237ª\023Ñ\036\022\016\a\237Ó\016\020\016\024\"­\003Õ ¤).\006\207", stack_depth=5, constants_data=0x8732c80) at /usr/local/src/xemacs-21/src/bytecode.c:747 #24 0x805c976 in funcall_compiled_function (fun=142121276, nargs=5, args=0xbffff27c) at /usr/local/src/xemacs-21/src/bytecode.c:520 #25 0x807e802 in Ffuncall (nargs=6, args=0xbffff278) at /usr/local/src/xemacs-21/src/eval.c:3221 #26 0x805ccdb in execute_optimized_program ( program=0x873c4ac "À\t\n\"J\eÄ\t!＠Åa«\004ƪ\003\016\a\036\aÈ\0138\036\tÊ\036\013Ê\036\fÊ\036\rÎÄ\t!\211\026\017!¬\005ÐÑ!\210\013«\a\013＠Æa«\030Ò\t!¬\023\016\023Ôk«\005Õp!\210ÐÖ\t×\t!#\210Ø\tÆ\"¬\023\016\023Ôk«\005Õp!\210ÐÖ\t×\t!#\210\t\026\031Ê\026\032Û\t!\026\034\016\t«\006Ý\016\t!\210Þ\t!«\005\016\037\026\rà\211\016\034\016!\"\016\"\"\026\034Ê\026#ä\t\016\034\"\210\016%\211\026\013«\017æ\016\034ç\016\034\016\013\"\"\026\032ª\bè\t\016)\"\026\013\016\013¬\005ê\202Ô", stack_depth=6, constants_data=0x875b570) at /usr/local/src/xemacs-21/src/bytecode.c:747 #27 0x805c976 in funcall_compiled_function (fun=142272828, nargs=3, args=0xbffff370) at /usr/local/src/xemacs-21/src/bytecode.c:520 #28 0x807e802 in Ffuncall (nargs=4, args=0xbffff36c) at /usr/local/src/xemacs-21/src/eval.c:3221 #29 0x805ccdb in execute_optimized_program ( program=0x85916ac "À\t!¬\fÂ\t\013\"J¬\005ÄÅ!\210ÆÇÈ\t#\210É\t!\036\nË\t!\036\f\016\n­\bÍ\t\016\016\016\017#\036\020\016\n¬!Ñ \210\016\022«\006Ó\016\022!\210ÔÕÖ\"\210×Õ!\210Ø \210ÙÚ!\210Û\202¾\001\016\020¬4\016\034Ýa«%p\016\022k¬\037Òp!\210\016\f¬\022Þ \210\016\037q\210à\t!\210áâ!\210ª\006ã\016\f!\210Æäå\"\210æ\202\207\001\016\020ça«=\016\034Ýa«\013p\016\022k¬\005Òp!\210\016\022«\006Ó\016\022!\210\016\f¬\024\016\037q\210à\t!\210áâ!\210ÔÁÖ\"\210ª\006ã\016\f!\210èçæ\"\202"..., stack_depth=5, constants_data=0x87b0458) at /usr/local/src/xemacs-21/src/bytecode.c:747 #30 0x805c976 in funcall_compiled_function (fun=142271260, nargs=6, args=0xbffff460) at /usr/local/src/xemacs-21/src/bytecode.c:520 #31 0x807e802 in Ffuncall (nargs=7, args=0xbffff45c) at /usr/local/src/xemacs-21/src/eval.c:3221 #32 0x805ccdb in execute_optimized_program ( program=0x87d0b24 "À\031\n«?À\eÄ\n\r\016\006\016\a\016\b\016\t&\006®\aÀ\025À\211\026\t)\211\021¬#\013Êa«\036\016\013q\210\016\f«\005ÍÎ!\210\nÏ k¬\aÏ \211\022ªÆÀ\211\022¬Ã\t)\207", stack_depth=8, constants_data=0x87afbe8) at /usr/local/src/xemacs-21/src/bytecode.c:747 #33 0x805c976 in funcall_compiled_function (fun=142271204, nargs=7, args=0xbffff55c) at /usr/local/src/xemacs-21/src/bytecode.c:520 #34 0x807e802 in Ffuncall (nargs=8, args=0xbffff558) at /usr/local/src/xemacs-21/src/eval.c:3221 #35 0x805ccdb in execute_optimized_program ( program=0x869710c "\bÁa\n®\003à Ä\211\211\211\035\036\006\036\a\036\b\032\036\t\bÁa«\003Ä\020\n¬\005ÊË!\210ÌÍÎ\n\016\017\"J\211\02588\026\006\b§«\004\bª\e\r«\005\r＠ª\024Î\n\016\020\"J\211\026\a­\t\016\aAT\016\a＠Z\026\bÑ\n\b®\032\016\b§­\025\016\bÒÓ\016\006·A!\\ÒÔ\016\006·A!\\ÁU\016\025Ä\016\tÄ\016\026&\a.\006\207y", stack_depth=8, constants_data=0x86fbb28) at /usr/local/src/xemacs-21/src/bytecode.c:747 #36 0x805c976 in funcall_compiled_function (fun=141527404, nargs=2, args=0xbffff658) at /usr/local/src/xemacs-21/src/bytecode.c:520 #37 0x807e802 in Ffuncall (nargs=3, args=0xbffff654) at /usr/local/src/xemacs-21/src/eval.c:3221 #38 0x805ccdb in execute_optimized_program (program=0x855d80c "À\tÂ\"\207", stack_depth=3, constants_data=0x86fbb98) at /usr/local/src/xemacs-21/src/bytecode.c:747 #39 0x805c976 in funcall_compiled_function (fun=141527432, nargs=1, args=0xbffff744) at /usr/local/src/xemacs-21/src/bytecode.c:520 #40 0x807e802 in Ffuncall (nargs=2, args=0xbffff740) at /usr/local/src/xemacs-21/src/eval.c:3221 #41 0x8060df1 in Fcall_interactively (function=141385900, record_flag=136080596, keys=136080596) at /usr/local/src/xemacs-21/src/callint.c:949 #42 0x807d614 in Fcommand_execute (cmd=141385900, record=136080596, keys=136080596) at /usr/local/src/xemacs-21/src/eval.c:2623 #43 0x80a1577 in execute_command_event (command_builder=0x822a1b0, event=140188748) at /usr/local/src/xemacs-21/src/event-stream.c:4345 #44 0x80a1af9 in Fdispatch_event (event=140188748) at /usr/local/src/xemacs-21/src/event-stream.c:4684 #45 0x8064a2b in Fcommand_loop_1 () at /usr/local/src/xemacs-21/src/cmdloop.c:578 #46 0x8064c46 in command_loop_1 (dummy=136080596) at /usr/local/src/xemacs-21/src/cmdloop.c:493 #47 0x808226b in condition_case_1 (handlers=136080692, bfun=0x8064c30 <command_loop_1>, barg=136080596, hfun=0x8064ca0 <cmd_error>, harg=136080596) at /usr/local/src/xemacs-21/src/eval.c:1640 #48 0x8064d82 in command_loop_2 (dummy=136080596) at /usr/local/src/xemacs-21/src/cmdloop.c:255 #49 0x8082140 in internal_catch (tag=136154620, func=0x8064d50 <command_loop_2>, arg=136080596, threw=0x0) at /usr/local/src/xemacs-21/src/eval.c:1315 #50 0x806474c in initial_command_loop (load_me=136080596) at /usr/local/src/xemacs-21/src/cmdloop.c:304 #51 0x8079668 in xemacs_21_2_b19_i686_pc_linux () at /usr/local/src/xemacs-21/src/emacs.c:1763 #52 0x8079d2f in main () at /usr/local/src/xemacs-21/src/emacs.c:2188 #53 0x403d0cb3 in __libc_start_main (main=0x8079c30 <main>, argc=1, argv=0xbffffc04, init=0x804e634 <_init>, fini=0x815b804 <_fini>, rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffbfc) at ../sysdeps/generic/libc-start.c:78 (gdb)