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Re: EXC_BAD_ACCESS on Mac
From: |
Eli Zaretskii |
Subject: |
Re: EXC_BAD_ACCESS on Mac |
Date: |
Tue, 18 Jun 2013 05:48:51 +0300 |
> Date: Tue, 18 Jun 2013 04:44:05 +0900 (JST)
> Cc: address@hidden
> From: Kazu Yamamoto (山本和彦)
> <address@hidden>
>
> > #1 0x000000010001b44d in fill_glyph_string (s=0x10c408758,
> > face_id=1606399872, start=1606399888, end=1606399828, overlaps=677) at
> > xdisp.c:22766
> > #2 0x000000010001bded in draw_glyphs (w=0x10c408758, x=8,
> > row=0x7fff5fbfb790, area=1606399828, start=677, end=677,
> > hl=DRAW_NORMAL_TEXT, overlaps=0) at xdisp.c:23384
> >
> > So please look around and see what is going on in this glyph string.
>
> expose_area has:
>
> if (last > first)
> draw_glyphs (w, first_x - start_x, row, area,
> first - row->glyphs[area], last - row->glyphs[area],
> DRAW_NORMAL_TEXT, 0);
> }
>
> last is greater than first.
But in your backtrace, draw_glyphs was not called from here, it was
called from here:
if (area == TEXT_AREA && row->fill_line_p)
/* If row extends face to end of line write the whole line. */
draw_glyphs (w, 0, row, area, <<<<<<<<<<<<< line 28166
0, row->used[area],
DRAW_NORMAL_TEXT, 0);
Here's the backtrace again:
(gdb) info stack
#0 0x000000010001b317 in get_glyph_face_and_encoding (f=0x10c408758,
glyph=0x5bfe, char2b=0x7fff5fbfb790, two_byte_p=0x7fff5fbfb754) at xdisp.c:22544
#1 0x000000010001b44d in fill_glyph_string (s=0x10c408758,
face_id=1606399872, start=1606399888, end=1606399828, overlaps=677) at
xdisp.c:22766
#2 0x000000010001bded in draw_glyphs (w=0x10c408758, x=8,
row=0x7fff5fbfb790, area=1606399828, start=677, end=677, hl=DRAW_NORMAL_TEXT,
overlaps=0) at xdisp.c:23384
#3 0x00000001000205fd in expose_area (w=0x10c408c68, row=0x2a5,
r=0x7fff5fbfbbc8, area=1606399828) at xdisp.c:28166
#4 0x0000000100020775 in expose_line (w=0x10c408c68, row=0x1180f9f00,
r=0x7fff5fbfbbc8) at xdisp.c:28224
So either the backtrace lies to us, or draw_glyphs is NOT called with
START and END equal.
- Re: EXC_BAD_ACCESS on Mac, (continued)
- Re: EXC_BAD_ACCESS on Mac, 山本和彦, 2013/06/24
- Re: EXC_BAD_ACCESS on Mac, Eli Zaretskii, 2013/06/18
- Re: EXC_BAD_ACCESS on Mac, 山本和彦, 2013/06/18
- Show all lines in marked buffers matching a regexp (with patch), Matthias Meulien, 2013/06/18
- Re: Show all lines in marked buffers matching a regexp (with patch), Juri Linkov, 2013/06/19
- Re: EXC_BAD_ACCESS on Mac, 山本和彦, 2013/06/19
- Re: EXC_BAD_ACCESS on Mac, 山本和彦, 2013/06/24
- Re: EXC_BAD_ACCESS on Mac, 山本和彦, 2013/06/25
- Re: EXC_BAD_ACCESS on Mac, Eli Zaretskii, 2013/06/25
- Re: EXC_BAD_ACCESS on Mac, Eli Zaretskii, 2013/06/17
- Re: EXC_BAD_ACCESS on Mac,
Eli Zaretskii <=