--- Begin Message ---
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Subject: |
27.1.50; ns_mouse_position EXC_BAD_ACCESS crash |
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Date: |
Thu, 29 Oct 2020 15:16:22 -0500 |
Not sure how to reproduce this, but it has happened multiple times
today. I'm on e29cace60a
* thread #1, queue = 'com.apple.main-thread', stop reason =
EXC_BAD_ACCESS (code=1, address=0x9038f6d4d)
* frame #0: 0x0000000100378558
emacs`ns_mouse_position(fp=0x00007ffeefbfd3e8, insist=-1,
bar_window=0x00007ffeefbfd3e0, part=0x00007ffeefbfd3c4,
x=0x00007ffeefbfd3d8, y=0x00007ffeefbfd3d0, time=0x00007ffeefbfd3b8)
at nsterm.m:2536:12
frame #1: 0x000000010001fefc emacs`Fmouse_pixel_position at frame.c:2494:7
frame #2: 0x00000001002693c6
emacs`funcall_subr(subr=0x0000000100412bc8, numargs=0,
args=0x00007ffeefbfd588) at eval.c:2866:19
frame #3: 0x0000000100268204 emacs`Ffuncall(nargs=1,
args=0x00007ffeefbfd580) at eval.c:2795:11
frame #4: 0x00000001002d951e
emacs`exec_byte_code(bytestr=0x000000010422a0a4,
vector=0x0000000104229fa5, maxdepth=0x000000000000002a,
args_template=0x0000000000000406, nargs=1, args=0x00007ffeefbfdcf8) at
bytecode.c:633:12
frame #5: 0x000000010026985c
emacs`funcall_lambda(fun=0x0000000104229f75, nargs=1,
arg_vector=0x00007ffeefbfdcf0) at eval.c:2990:11
frame #6: 0x000000010026824e emacs`Ffuncall(nargs=2,
args=0x00007ffeefbfdce8) at eval.c:2797:11
frame #7: 0x0000000100268d2f emacs`call1(fn=0x00000000000094b0,
arg1=0x0000000158414eb4) at eval.c:2655:10
frame #8: 0x0000000100169ebf
emacs`show_help_echo(help=0x0000000158414eb4,
window=0x000000017dca1e35, object=0x00000001755c90a5,
pos=0x0000000000000346) at keyboard.c:2093:14
frame #9: 0x000000010016cb33 emacs`read_char(commandflag=1,
map=0x00000001950c1a83, prev_event=0x0000000000000000,
used_mouse_menu=0x00007ffeefbfe7ef, end_time=0x0000000000000000) at
keyboard.c:3117:7
frame #10: 0x0000000100166719
emacs`read_key_sequence(keybuf=0x00007ffeefbfeaf0,
prompt=0x0000000000000000, dont_downcase_last=false,
can_return_switch_frame=true, fix_current_buffer=true,
prevent_redisplay=false) at keyboard.c:9554:12
frame #11: 0x0000000100165139 emacs`command_loop_1 at keyboard.c:1350:15
frame #12: 0x0000000100261b4f
emacs`internal_condition_case(bfun=(emacs`command_loop_1 at
keyboard.c:1236), handlers=0x0000000000000090, hfun=(emacs`cmd_error
at keyboard.c:919)) at eval.c:1356:25
frame #13: 0x000000010017ce8c
emacs`command_loop_2(ignore=0x0000000000000000) at keyboard.c:1091:11
frame #14: 0x00000001002614ba
emacs`internal_catch(tag=0x000000000000c840,
func=(emacs`command_loop_2 at keyboard.c:1087),
arg=0x0000000000000000) at eval.c:1117:25
frame #15: 0x00000001001640ca emacs`command_loop at keyboard.c:1070:2
frame #16: 0x0000000100163f50 emacs`recursive_edit_1 at keyboard.c:714:9
frame #17: 0x0000000100164299 emacs`Frecursive_edit at keyboard.c:786:3
frame #18: 0x0000000100161764 emacs`main(argc=1,
argv=0x00007ffeefbff0a0) at emacs.c:2066:3
frame #19: 0x00007fff6a33dcc9 libdyld.dylib`start + 1
(lldb) frame select 3
frame #3: 0x0000000100268204 emacs`Ffuncall(nargs=1,
args=0x00007ffeefbfd580) at eval.c:2795:11
2792 fun = indirect_function (fun);
2793
2794 if (SUBRP (fun))
-> 2795 val = funcall_subr (XSUBR (fun), numargs, args + 1);
2796 else if (COMPILEDP (fun) || MODULE_FUNCTIONP (fun))
2797 val = funcall_lambda (fun, numargs, args + 1);
2798 else
(lldb) p XSTRING(XSYMBOL(args[0])->u.s.name)->u.s.data
(unsigned char *) $0 = 0x00000001003e2c94 "mouse-pixel-position"
In GNU Emacs 27.1.50 (build 2, x86_64-apple-darwin19.6.0, NS
appkit-1894.60 Version 10.15.7 (Build 19H2))
of 2020-10-28 built on my-machine
Repository revision: e29cace60afdab04ff20c4f4043a3ee64ec9d01d
Repository branch: emacs-27
Windowing system distributor 'Apple', version 10.3.1894
System Description: Mac OS X 10.15.7
Memory information:
((conses 16 777153 878287)
(symbols 48 68934 1027)
(strings 32 241222 115526)
(string-bytes 1 8380649)
(vectors 16 109859)
(vector-slots 8 1221060 903756)
(floats 8 1729 3395)
(intervals 56 6128 1401)
(buffers 1000 18))
Aaron
--- End Message ---
--- Begin Message ---
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Subject: |
Re: bug#44313: 27.1.50; ns_mouse_position EXC_BAD_ACCESS crash |
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Date: |
Sat, 12 Dec 2020 10:43:01 +0000 |
On Mon, Nov 09, 2020 at 02:54:50PM +0000, Alan Third wrote:
> On Mon, Nov 09, 2020 at 03:43:01PM +0100, Lars Ingebrigtsen wrote:
> > Alan Third <alan@idiocy.org> writes:
> >
> > > On Fri, Nov 06, 2020 at 08:29:34AM -0600, Aaron Jensen wrote:
> > >> I've got even more time with this patch now and still no crashes. No
> > >> other problems that I've seen either. It seems like a good change.
> > >> Thanks, Alan. Would this be good to go in 27?
> > >
> > > I think so, unless anyone has any objections?
> > >
> > > It fixes a real world crash and is a very small change.
> >
> > My impression is that more people use the Emacs 28 branch than the 27
> > branch, so for low-level changes like this, I think it's often
> > preferable to apply them to Emacs 28 and then cherry-pick them for Emacs
> > 27 after a week or so (if no problems have been seen).
>
> I've pushed to master as 18a7267c32a909bb26bd93d24543155aeb10e042.
Now pushed to Emacs 27.
Thanks.
--
Alan Third
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