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bug#28710: 27.0.50; eassert failure in maybe_produce_line_number
From: |
Alex |
Subject: |
bug#28710: 27.0.50; eassert failure in maybe_produce_line_number |
Date: |
Mon, 09 Oct 2017 11:56:20 -0600 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/26.0.60 (gnu/linux) |
Eli Zaretskii <eliz@gnu.org> writes:
> Thanks. I installed a change that should fix the problem, please try
> the latest emacs-26 branch.
Looks like it's fixed, thanks.
> Specifically, after invoking redraw-display, which causes GDB to kick
> in, do this:
>
> Thread 1 hit Breakpoint 3, Fredraw_display () at dispnew.c:3032
> 3032 FOR_EACH_FRAME (tail, frame)
> (gdb) n
> 3033 if (FRAME_VISIBLE_P (XFRAME (frame)))
> (gdb) p XFRAME(frame)
> $1 = (struct frame *) 0x1b5e380 <dumped_data+4020672>
> (gdb) p $1->redisplay
> $2 = true
> (gdb) watch -l $1->redisplay
> Hardware watchpoint 4: -location $1->redisplay
> (gdb) commands
> > bt
> > continue
> > end
> (gdb) continue
>
> and then continue with the recipe, and show all the backtraces you get.
Unfortunately, when I try to use XFRAME, I get:
No symbol "__builtin_assume_aligned" in current context.
I tried the following workaround, but no backtraces showed up:
Thread 1 "emacs-26.0.60.4" hit Breakpoint 1, Fredraw_display ()
at dispnew.c:3032
3032 FOR_EACH_FRAME (tail, frame)
(gdb) n
3033 if (FRAME_VISIBLE_P (XFRAME (frame)))
(gdb) p (struct frame *) XLI(frame) - Lisp_Vectorlike
$3 = (struct frame *) 0x15c9285 <bss_sbrk_buffer+8055909>
(gdb) p $3->redisplay
$4 = false
(gdb) watch -l $3->redisplay
Hardware watchpoint 2: -location $3->redisplay
(gdb) commands
Type commands for breakpoint(s) 2, one per line.
End with a line saying just "end".
>bt
>continue
>end
(gdb) c
Continuing.
Thread 1 "emacs-26.0.60.4" received signal SIGABRT, Aborted.
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, (continued)
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Alex, 2017/10/07
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Alex, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/09
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Alex, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Alex, 2017/10/08
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/09
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number,
Alex <=
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/09
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Alex, 2017/10/09
- bug#28710: 27.0.50; eassert failure in maybe_produce_line_number, Eli Zaretskii, 2017/10/10