GNU bug report logs - #47244
28.0.50; SIGSEGV in long-runnning Emacs

Previous Next

Full log

Message #134 received at 47244 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Michael Welsh Duggan <mwd <at> cert.org>
Cc: mwd <at> md5i.com, rudalics <at> gmx.at, 47244 <at> debbugs.gnu.org, schwab <at> linux-m68k.org
Subject: Re: bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
Date: Mon, 29 Mar 2021 17:28:30 +0300

> From: Michael Welsh Duggan <mwd <at> cert.org>
> Cc: Michael Welsh Duggan <mwd <at> md5i.com>, "rudalics <at> gmx.at"
>  <rudalics <at> gmx.at>,
>         "schwab <at> linux-m68k.org" <schwab <at> linux-m68k.org>,
>         "47244 <at> debbugs.gnu.org" <47244 <at> debbugs.gnu.org>
> Date: Mon, 29 Mar 2021 10:06:43 -0400
> 
> #0  set_buffer_internal_2 (b=0x5555578f43d8) at ../../master/src/buffer.c:2155
>         old_buf = 0x555555593480 <_start>
>         tail = XIL(0)
> #1  0x0000555555713f28 in set_buffer_internal_1 (b=0x1)
>     at ../../master/src/buffer.c:2141
> #2  0x00005555556e4ec6 in set_buffer_internal (b=0x5555578f43d8)
>     at ../../master/src/buffer.h:1184
> #3  0x00005555556e6b21 in command_loop_1 () at ../../master/src/keyboard.c:1289
>         cmd = XIL(0x7fffffffde10)
>         keybuf = 
>           {XIL(0), XIL(0x7ffff2c27c1d), XIL(0x555555765cd4), XIL(0x11cf6b0), XIL(0x7fffffffdd70), XIL(0x55555579e20b), XIL(0x11cf6b0), XIL(0x7ffff257e4c4), XIL(0x555559de7123), XIL(0x7ffff2c27c1d), XIL(0x7ffff2c27c1d), XIL(0x555559de7123), XIL(0x7ffff257e4c4), XIL(0x11cf6b0), XIL(0), XIL(0), XIL(0x555555cc5f80), XIL(0), XIL(0), XIL(0x7fffffffdd70), XIL(0x5555556e3c73), XIL(0xffffddc0), XIL(0x555555cc5f80), XIL(0), XIL(0), XIL(0x7fffffffdda0), XIL(0x555555797d03), make_fixnum(0), XIL(0x7fffffffdde0), XIL(0x55555579b3f4)}
>         i = 1
>         prev_modiff = 0
>         prev_buffer = 0x0
>         already_adjusted = false

OK, we are switching to the selected window's buffer, and that buffer
was deleted.  We still don't understand how this happens.  Martin, any
ideas?

Please show the results of these commands:

 (gdb) p current_buffer->name_
 (gdb) xstring
 (gdb) frame 3
 (gdb) p cmd
 (gdb) xtype

Thanks.

Previous Next

GNU bug tracking system
Copyright (C) 1999 Darren O. Benham, 1997,2003 nCipher Corporation Ltd, 1994-97 Ian Jackson.