Crash

xemacs 21.2.36, built from full tarball using gcc 2.95.2 on Solaris 2.7. I had just made a change to my Makefile, pressed C-x C-s to save it, and probably had also typed ahead with C-c m (personal keybinding for M-x compile). It crashed. No lisp backtrace, but the C backtrace is appended. Ray #0 0xfeb16870 in _libc_kill () from /usr/lib/libc.so.1 #1 0xaac24 in fatal_error_signal (sig=6) at emacs.c:531 #2 <signal handler called> #3 0xfeb16870 in _libc_kill () from /usr/lib/libc.so.1 #4 0xfeab92a4 in abort () from /usr/lib/libc.so.1 #5 0xadcf4 in assert_failed (file=0x5ce <Address 0x5ce out of bounds>, line=2783936, expr=0x2a7ac0 "start <= bmax") at emacs.c:3189 #6 0x19fdc4 in make_lisp_buffer_stream_1 (buf=0x6f3c00, start=8388609, end=3173, flags=3, mode=0x2a79d8 "r") at lstream.c:1486 #7 0x19ff70 in make_lisp_buffer_input_stream (buf=0x6f3c00, start=8388609, end=3173, flags=3) at lstream.c:1526 #8 0x13413c in Fwrite_region_internal (start=3, end=10729060, filename=7444276, append=3274756, visit=3274780, lockname=10535780, codesys=5754240) at fileio.c:3298 #9 0xb64e8 in Ffuncall (nargs=7, args=0xffbec144) at eval.c:3528 #10 0x7cc64 in execute_optimized_program (program=0xffbec144 "", stack_depth=7, constants_data=0x5a5e10) at bytecode.c:746 #11 0x7c494 in funcall_compiled_function (fun=5917684, nargs=7, args=0xffbec3d0) at bytecode.c:518 #12 0xb6610 in Ffuncall (nargs=7, args=0xffbec3b0) at eval.c:3563 #13 0xb6d74 in Fapply (nargs=2, args=0xffbec570) at eval.c:3804 #14 0xb65c4 in Ffuncall (nargs=2, args=0xffbec56c) at eval.c:3549 #15 0x7cc64 in execute_optimized_program (program=0xffbec56c "", stack_depth=2, constants_data=0x830910) at bytecode.c:746 #16 0x7c494 in funcall_compiled_function (fun=4045692, nargs=8, args=0xffbec7d0) at bytecode.c:518 #17 0xb6610 in Ffuncall (nargs=8, args=0xffbec7c8) at eval.c:3563 #18 0xb7924 in call8 (fn=8638828, arg0=3392380, arg1=3, arg2=6347, arg3=7444276, arg4=3274756, arg5=3274780, arg6=10535780, arg7=5754240) at eval.c:4320 #19 0x133a98 in Fwrite_region_internal (start=3, end=6347, filename=7444276, append=3274756, visit=3274780, lockname=10535780, codesys=5754240) at fileio.c:3190 #20 0xb64e8 in Ffuncall (nargs=7, args=0xffbecaf4) at eval.c:3528 #21 0x7cc64 in execute_optimized_program (program=0xffbecaf4 "", stack_depth=7, constants_data=0x5a5e10) at bytecode.c:746 #22 0x7c494 in funcall_compiled_function (fun=5917684, nargs=7, args=0xffbecd80) at bytecode.c:518 #23 0xb6610 in Ffuncall (nargs=7, args=0xffbecd60) at eval.c:3563 #24 0xb6d74 in Fapply (nargs=2, args=0xffbecf20) at eval.c:3804 #25 0xb65c4 in Ffuncall (nargs=2, args=0xffbecf1c) at eval.c:3549 #26 0x7cc64 in execute_optimized_program (program=0xffbecf1c "", stack_depth=2, constants_data=0x830810) at bytecode.c:746 #27 0x7c494 in funcall_compiled_function (fun=4045692, nargs=8, args=0xffbed180) at bytecode.c:518 #28 0xb6610 in Ffuncall (nargs=8, args=0xffbed178) at eval.c:3563 #29 0xb7924 in call8 (fn=8639020, arg0=3392380, arg1=3, arg2=6347, arg3=7444276, arg4=3274756, arg5=3274780, arg6=10535780, arg7=5754240) at eval.c:4320 #30 0x133a98 in Fwrite_region_internal (start=3, end=6347, filename=7444276, append=3274756, visit=3274780, lockname=10535780, codesys=5754240) at fileio.c:3190 #31 0xb64e8 in Ffuncall (nargs=7, args=0xffbed4a4) at eval.c:3528 #32 0x7cc64 in execute_optimized_program (program=0xffbed4a4 "", stack_depth=7, constants_data=0x5a5e10) at bytecode.c:746 #33 0x7c494 in funcall_compiled_function (fun=5917684, nargs=6, args=0xffbed730) at bytecode.c:518 #34 0xb6610 in Ffuncall (nargs=6, args=0xffbed714) at eval.c:3563 #35 0x7cc64 in execute_optimized_program (program=0xffbed714 "", stack_depth=6, constants_data=0x513fd0) at bytecode.c:746 #36 0x7c494 in funcall_compiled_function (fun=5287068, nargs=2, args=0xffbed988) at bytecode.c:518 #37 0xb6610 in Ffuncall (nargs=2, args=0xffbed97c) at eval.c:3563 #38 0x7cc64 in execute_optimized_program (program=0xffbed97c "", stack_depth=2, constants_data=0x503510) at bytecode.c:746 #39 0x7c494 in funcall_compiled_function (fun=5287152, nargs=0, args=0xffbedbe8) at bytecode.c:518 #40 0xb6610 in Ffuncall (nargs=0, args=0xffbedbe4) at eval.c:3563 #41 0x7cc64 in execute_optimized_program (program=0xffbedbe4 "", stack_depth=0, constants_data=0x503610) at bytecode.c:746 #42 0x7c494 in funcall_compiled_function (fun=5287124, nargs=0, args=0xffbede50) at bytecode.c:518 #43 0xb6610 in Ffuncall (nargs=0, args=0xffbede4c) at eval.c:3563 #44 0x7cc64 in execute_optimized_program (program=0xffbede4c "", stack_depth=0, constants_data=0x50b710) at bytecode.c:746 #45 0x7c494 in funcall_compiled_function (fun=5287012, nargs=1, args=0xffbee0b0) at bytecode.c:518 #46 0xb6610 in Ffuncall (nargs=1, args=0xffbee0a8) at eval.c:3563 #47 0x83364 in Fcall_interactively (function=4967076, record_flag=3274756, keys=3274756) at callint.c:946 #48 0xb4d98 in Fcommand_execute (cmd=4967076, record=3274756, keys=3274756) at eval.c:2970 #49 0x1130dc in execute_command_event (command_builder=0x41d3c0, event=10480780) at event-stream.c:3860 #50 0x113b2c in Fdispatch_event (event=10480780) at event-stream.c:4179 #51 0x8d31c in Fcommand_loop_1 () at cmdloop.c:579 #52 0x8d05c in command_loop_1 (dummy=6623872) at cmdloop.c:494 #53 0xb1410 in condition_case_1 (handlers=3274852, bfun=0x8d010 <command_loop_1>, barg=3274756, hfun=0x8d4fc <cmd_error>, harg=3274756) at eval.c:1651 #54 0x8d60c in command_loop_2 (dummy=3274756) at cmdloop.c:256 #55 0xb0f80 in internal_catch (tag=3359084, func=0x8d5c0 <command_loop_2>, arg=3274756, threw=0x0) at eval.c:1317 #56 0x8c958 in initial_command_loop (load_me=579008) at cmdloop.c:305 #57 0xac94c in xemacs_21_2_b36_sparc_sun_solaris2_7 (argc=1, argv=0xffbeea1c, envp=0xffbeea24, restart=0) at emacs.c:2228 #58 0xad170 in main (argc=1, argv=0xffbeea1c, envp=0xffbeea24) at emacs.c:2657