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bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom
From: |
martin rudalics |
Subject: |
bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom |
Date: |
Wed, 02 May 2018 08:16:26 +0200 |
>> Is w in reconsider_clip_changes the same as XWINDOW (selected_window)
>> when it fails?
>
> Nope. In fact, doing
>
> break 13939 if (w != XWINDOW(selected_window))
>
> triggers only just before the bad reconsider_clip_changes call.
>
> #0 redisplay_internal () at ../../src/xdisp.c:13939
> #1 0x0000000000463c16 in redisplay () at ../../src/xdisp.c:13518
> #2 0x00000000005851ae in read_char (commandflag=1, map=XIL(0x5e99db3),
prev_event=XIL(0),
> used_mouse_menu=0x7fffffffe41f, end_time=0x0) at
../../src/keyboard.c:2480
> #3 0x00000000005957c5 in read_key_sequence (keybuf=0x7fffffffe570,
bufsize=30, prompt=XIL(0),
> dont_downcase_last=false, can_return_switch_frame=true,
fix_current_buffer=true,
> prevent_redisplay=false) at ../../src/keyboard.c:9147
> #4 0x0000000000581d55 in command_loop_1 () at ../../src/keyboard.c:1368
> (More stack frames follow...)
> (gdb) p w
> $16 = (struct window *) 0x47d22f0
> (gdb) p sw
> $17 = (struct window *) 0x47d22f0
> (gdb) p XWINDOW(selected_window)
> $18 = (struct window *) 0x61109d0
> (gdb) p w->contents
> $19 = XIL(0)
> (gdb) p XWINDOW(selected_window)->contents
> $20 = XIL(0x493e565)
> (gdb) xpr
> Lisp_Vectorlike
> PVEC_BUFFER
> $21 = (struct buffer *) 0x493e560
> (unsigned char *) 0x4a34568 " *NeoTree*"
I'm probably too silly to understand this. IIUC we are here
/* do_pending_window_change could change the selected_window due to
frame resizing which makes the selected window too small. */
if (WINDOWP (selected_window) && (w = XWINDOW (selected_window)) != sw)
sw = w;
/* Clear frames marked as garbaged. */
clear_garbaged_frames ();
/* Build menubar and tool-bar items. */
if (NILP (Vmemory_full))
prepare_menu_bars ();
reconsider_clip_changes (w);
and the only ways this could cause w != XWINDOW(selected_window)
before the last call is either !WINDOWP (selected_window) or that
clear_garbaged_frames or prepare_menu_bars change selected_window.
Can you find the responsible?
martin
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Noam Postavsky, 2018/05/01
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, martin rudalics, 2018/05/01
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Noam Postavsky, 2018/05/01
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom,
martin rudalics <=
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Eli Zaretskii, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Noam Postavsky, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Eli Zaretskii, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Andrea Cardaci, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, martin rudalics, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Andrea Cardaci, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Eli Zaretskii, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Andrea Cardaci, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, Eli Zaretskii, 2018/05/02
- bug#31312: Segmentation fault with doom-emacs, NeoTree and Zoom, martin rudalics, 2018/05/02