On Sat, 14 Aug 2010, Chong Yidong wrote: > First, please check if this equivalent and simpler recipe also > reproduces the problem, to make sure this is the same bug: > > emacs --batch -q --eval "(apply 'string (make-list 1122176 ?a)))" Yes, the problem is still here. > If so, please recompile without optimizations: > > CFLAGS="-g" ./configure > make > > and see if you can obtain a cleaner backtrace. Program received signal SIGSEGV, Segmentation fault. 0x00000000005f81fc in Fapply (nargs=2, args=0x7fffffffc670) at eval.c:2492 2492 memcpy (funcall_args, args, nargs * sizeof (Lisp_Object)); #0 0x00000000005f81fc in Fapply (nargs=2, args=0x7fffffffc670) at eval.c:2492 i = 0 numargs = 1122176 spread_arg = 38164022 funcall_args = 0x7fffff76c9d0 fun = 9260085 gcpro1 = { next = 0x2465636, var = 0x95cb41, nvars = 1122177 } #1 0x00000000005f7ade in Feval (form=19244870) at eval.c:2321 vals = 0x7fffffffc670 argnum = 2 numargs = 8 args_left = 12507474 i = 2 maxargs = -14728 argvals = {19244854, 18642001, 0, 6, 6, 25769803776, 16350976, 12420200} fun = 12011021 val = 24 original_fun = 12677650 original_args = 19244918 funcar = 19244870 backtrace = { next = 0x7fffffffc800, function = 0x7fffffffc770, args = 0x7fffffffc670, nargs = 2, evalargs = 1 '\001', debug_on_exit = 0 '\000' } gcpro1 = { next = 0x0, var = 0x11c7471, nvars = 39 } gcpro2 = { next = 0x0, var = 0x7fffffffd530, nvars = -14512 } gcpro3 = { next = 0x125a416, var = 0x7fffffffc670, nvars = 2 } #2 0x00000000005f8ead in Ffuncall (nargs=2, args=0x7fffffffc880) at eval.c:2983 fun = 12010973 original_fun = 12677602 funcar = 9817142 numargs = 1 lisp_numargs = 6302634 val = 19244870 backtrace = { next = 0x7fffffffcc80, function = 0x7fffffffc880, args = 0x7fffffffc888, nargs = 1, evalargs = 0 '\000', debug_on_exit = 0 '\000' } internal_args = 0x7fffffffc888 i = 0 #3 0x0000000000645887 in Fbyte_code (bytestr=9815377, vector=9815413, maxdepth=40) at bytecode.c:679 count = 5 op = 1 vectorp = 0x95c580 bytestr_length = 1187 stack = { pc = 0xb48b63 "\210\202\300\003\016L坃\311\001\346\347\016N\206\241\001\f\211A\024@!!\026F\016E\203\274\001\016E\016F\016EAB\241\210\016EA\026E\202\300\003\016F\016RB\211\026R\026E\202\300\003\016L蝃\372\001\347\016N\206\333\001\f\211A\024@!\036S\346\016S!\036T\351\016T!\203\357\001\016T\026S\352\016S\314\331#\210*\202\300\003\016L띃!\002\347\016N\206\f\002\f\211A\024@!\036S\346\016S!\036T\352\016T\314ى$\210*\202\300\003\016L욃J\002\331\026Q\016N\206\065\002\f\211A\024@\211\026F;\204@\002\332\355!\210\356\347\016F!!\210\202\300\003\016LX\002", <incomplete sequence \360>..., top = 0x7fffffffc888, bottom = 0x7fffffffc880, byte_string = 9815377, byte_string_start = 0xb489d9 "\306 \210\b\203\021", constants = 9815413, next = 0x7fffffffcd70 } top = 0x7fffffffc880 result = 140737488341184 #4 0x00000000005f9701 in funcall_lambda (fun=9815317, nargs=1, arg_vector=0x7fffffffcd08) at eval.c:3165 val = 12535520 syms_left = 12507474 next = 14517122 count = 4 i = 1 optional = 0 rest = 0 #5 0x00000000005f90bb in Ffuncall (nargs=2, args=0x7fffffffcd00) at eval.c:3029 fun = 9815317 original_fun = 14191698 funcar = 12535520 numargs = 1 lisp_numargs = 6152191 val = 19245862 backtrace = { next = 0x7fffffffd0f0, function = 0x7fffffffcd00, args = 0x7fffffffcd08, nargs = 1, evalargs = 0 '\000', debug_on_exit = 0 '\000' } internal_args = 0x125ab36 i = 0 #6 0x0000000000645887 in Fbyte_code (bytestr=9788449, vector=9788485, maxdepth=28) at bytecode.c:679 count = 4 op = 1 vectorp = 0x955c50 bytestr_length = 1723 stack = { pc = 0xb4b681 "\210\016N\203^\006\201", <incomplete sequence \343>, top = 0x7fffffffcd08, bottom = 0x7fffffffcd00, byte_string = 9788449, byte_string_start = 0xb4b02f "\306 \020\307\021\n\023\307\024\310\311!\211\035\307=\204\064", constants = 9788485, next = 0x7fffffffd1d0 } top = 0x7fffffffcd00 result = 13467377 #7 0x00000000005f9701 in funcall_lambda (fun=9788405, nargs=0, arg_vector=0x7fffffffd178) at eval.c:3165 val = 12535520 syms_left = 12507474 next = 13258642 count = 4 i = 0 optional = 0 rest = 0 #8 0x00000000005f90bb in Ffuncall (nargs=1, args=0x7fffffffd170) at eval.c:3029 fun = 9788405 original_fun = 13569954 funcar = 13569906 numargs = 0 lisp_numargs = 6152191 val = 13467377 backtrace = { next = 0x7fffffffd6c0, function = 0x7fffffffd170, args = 0x7fffffffd178, nargs = 0, evalargs = 0 '\000', debug_on_exit = 0 '\000' } internal_args = 0xcd7ef1 i = 0 #9 0x0000000000645887 in Fbyte_code (bytestr=9783473, vector=9783509, maxdepth=24) at bytecode.c:679 count = 2 op = 0 vectorp = 0x9548e0 bytestr_length = 220 stack = { pc = 0xb4be2e "\210*\340\341\342\"\210\343\321\344\"\211\036$;\203\251", top = 0x7fffffffd170, bottom = 0x7fffffffd170, byte_string = 9783473, byte_string_start = 0xb4bda0 "\b\203\b", constants = 9783509, next = 0x0 } top = 0x7fffffffd170 result = 4294967295 #10 0x00000000005f9701 in funcall_lambda (fun=9783429, nargs=0, arg_vector=0x7fffffffd530) at eval.c:3165 val = 1 syms_left = 12507474 next = 140733193388033 count = 2 i = 0 optional = 0 rest = 0 #11 0x00000000005f932f in apply_lambda (fun=9783429, args=12507474, eval_flag=1) at eval.c:3092 args_left = 12507474 numargs = 0 arg_vector = 0x7fffffffd530 gcpro1 = { next = 0x7ffff1e40970, var = 0x7ffff7fc14d0, nvars = 0 } gcpro2 = { next = 0x83b, var = 0x1000, nvars = 8 } gcpro3 = { next = 0x1, var = 0x81a4, nvars = 0 } i = 0 tem = 5 #12 0x00000000005f7dea in Feval (form=12978838) at eval.c:2390 fun = 9783429 val = 140737488345192 original_fun = 14516546 original_args = 12507474 funcar = 140737354130560 backtrace = { next = 0x0, function = 0x7fffffffd6f0, args = 0x7fffffffd530, nargs = 0, evalargs = 0 '\000', debug_on_exit = 0 '\000' } gcpro1 = { next = 0x7ffff7fb6488, var = 0x7ffff7fc14d0, nvars = -134225624 } gcpro2 = { next = 0x7fffffffd810, var = 0x7ffff1e34c28, nvars = -236739152 } gcpro3 = { next = 0x0, var = 0x7fff00000017, nvars = 44108294 } #13 0x00000000005599d1 in top_level_2 () at keyboard.c:1347 No locals. #14 0x00000000005f5f8c in internal_condition_case (bfun=0x5599be <top_level_2>, handlers=12559570, hfun=0x5595a8 <cmd_error>) at eval.c:1458 val = 5609939 c = { tag = 12507474, val = 12507474, next = 0x7fffffffd930, gcpro = 0x0, jmp = {{ __jmpbuf = {5, 7988929332933021680, 4279008, 140737488346960, 0, 0, 7988929332880592880, -7988928721167724560}, __mask_was_saved = 0, __saved_mask = { __val = {4294967295, 140737488345248, 1, 9246952, 0, 0, 0, 0, 140737351959490, 1, 0, 0, 140737251616176, 12936662, 5, 140737488345664} } }}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0 } h = { handler = 12559570, var = 12507474, chosen_clause = 140737488345104, tag = 0x7fffffffd7c0, next = 0x0 } #15 0x0000000000559a0b in top_level_1 (ignore=12507474) at keyboard.c:1355 No locals. #16 0x00000000005f592e in internal_catch (tag=12555634, func=0x5599d3 <top_level_1>, arg=12507474) at eval.c:1202 c = { tag = 12555634, val = 12507474, next = 0x0, gcpro = 0x0, jmp = {{ __jmpbuf = {5, 7988929332987547632, 4279008, 140737488346960, 0, 0, 7988929332960284656, -7988928721370886160}, __mask_was_saved = 0, __saved_mask = { __val = {6153582, 140737255104152, 4301629832, 0, 12507474, 12779824, 140737488345720, 60129542288, 12535520, 12033184, 6152158, 140737488345680, 12507474, 4279008, 140737488346960, 140737488345696} } }}, backlist = 0x0, handlerlist = 0x0, lisp_eval_depth = 0, pdlcount = 2, poll_suppress_count = 1, interrupt_input_blocked = 0, byte_stack = 0x0 } #17 0x0000000000559939 in command_loop () at keyboard.c:1310 No locals. #18 0x00000000005590df in recursive_edit_1 () at keyboard.c:940 count = 1 val = 5608104 #19 0x0000000000559292 in Frecursive_edit () at keyboard.c:1002 count = 0 buffer = 12507474 #20 0x00000000005575cc in main (argc=5, argv=0x7fffffffdf58) at emacs.c:1764 dummy = 140737251592752 stack_bottom_variable = 0 '\000' do_initial_setlocale = 1 skip_args = 1 rlim = { rlim_cur = 8720000, rlim_max = 18446744073709551615 } no_loadup = 0 junk = 0x0 dname_arg = 0x0 ch_to_dir = 0x45 <Address 0x45 out of bounds> Lisp Backtrace: "apply" (0xffffc670) "eval" (0xffffc888) "command-line-1" (0xffffcd08) "command-line" (0xffffd178) "normal-top-level" (0xffffd530)