From: "Simen Endsjø" <simendsjo@gmail.com>
To: Eli Zaretskii <eliz@gnu.org>
Cc: 70914@debbugs.gnu.org, corwin@bru.st
Subject: bug#70914: 29.3; Crashes often on Windows
Date: Mon, 20 May 2024 20:41:58 +0200 [thread overview]
Message-ID: <CAHkVV6FiBfruxgQ2BciWcsSjPCNQYpDViBCXPJCnJRQUHE2gAQ@mail.gmail.com> (raw)
In-Reply-To: <861q5w9wgv.fsf@gnu.org>
Doesn't look very fruitful
(gdb) bt
#0 0x0000000000000000 in ?? ()
#1 0x0000000000000000 in ?? ()
(gdb) p/x *(uintptr_t *)($sp + 8)
$2 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 16)
$3 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 24)
$4 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 32)
$5 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 40)
$6 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 48)
$7 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 56)
$8 = 0x0
(gdb) p/x *(uintptr_t *)($sp + 64)
$9 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 9))
$10 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 10))
$11 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 11))
$12 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 12))
$13 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 13))
$14 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 14))
$15 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 15))
$16 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 16))
$17 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 17))
$18 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 18))
$19 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 19))
$20 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 20))
$21 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 21))
$22 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 22))
$23 = 0x0
(gdb) p/x *(uintptr_t *)($sp + (8 * 23))
$24 = 0x0
On Mon, May 20, 2024 at 8:20 PM Eli Zaretskii <eliz@gnu.org> wrote:
>
> > From: Simen Endsjø <simendsjo@gmail.com>
> > Date: Mon, 20 May 2024 19:54:38 +0200
> > Cc: 70914@debbugs.gnu.org, corwin@bru.st
> >
> > > Please try this with a healthy Emacs process before you do it after
> > > the crash, to make sure this procedure works. Here's my attempt to
> > > validate this technique:
> >
> > Looks like I needed a binary with debugging symbols, so I used my previous
> > build. It's as good as any other. But looks like there are two stack frames with
> > zero pointers, so the technique doesn't work?
> >
> > Thread 1 received signal SIGSEGV, Segmentation fault.
> > 0x0000000000000000 in ?? ()
> > (gdb) thread 1
> > [Switching to thread 1 (Thread 19884.0x7bf8)]
> > #0 0x0000000000000000 in ?? ()
> > (gdb) p/x *(uintptr_t *)$sp
> > $1 = 0x0
> > (gdb) list *$
> > (gdb) bt
> > #0 0x0000000000000000 in ?? ()
> > #1 0x0000000000000000 in ?? ()
> > (gdb)
>
> There are two zeros on the stack. Bummer.
>
> What does this produce:
>
> (gdb) p/x *(uintptr_t *)($sp + 8)
>
> If the value is non-zero, try listing it:
>
> (gdb) list *$
>
> If the above yields zero, try $sp+16, $sp+24, etc., until you get a
> non-zero value.
next prev parent reply other threads:[~2024-05-20 18:41 UTC|newest]
Thread overview: 141+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-13 8:47 bug#70914: 29.3; Crashes often on Windows Simen Endsjø
2024-05-13 10:35 ` Eli Zaretskii
2024-05-14 10:14 ` Simen Endsjø
2024-05-14 11:23 ` Eli Zaretskii
2024-05-14 12:08 ` Simen Endsjø
2024-05-14 12:30 ` Eli Zaretskii
2024-05-14 13:58 ` Simen Endsjø
2024-05-14 14:18 ` Eli Zaretskii
2024-05-15 10:25 ` Simen Endsjø
2024-05-15 11:19 ` Simen Endsjø
2024-05-15 11:24 ` Simen Endsjø
2024-05-15 12:20 ` Eli Zaretskii
2024-05-15 12:15 ` Eli Zaretskii
2024-05-15 13:50 ` Simen Endsjø
2024-05-15 12:04 ` Eli Zaretskii
2024-05-15 13:45 ` Simen Endsjø
2024-05-16 7:05 ` Simen Endsjø
2024-05-16 10:11 ` Eli Zaretskii
2024-05-24 10:13 ` Simen Endsjø
2024-05-15 10:53 ` Simen Endsjø
2024-05-15 12:11 ` Eli Zaretskii
2024-05-15 13:00 ` Simen Endsjø
2024-05-15 13:36 ` Simen Endsjø
2024-05-15 13:58 ` Simen Endsjø
2024-05-15 15:25 ` Eli Zaretskii
2024-05-15 18:13 ` Simen Endsjø
2024-05-15 18:21 ` Simen Endsjø
2024-05-15 18:53 ` Eli Zaretskii
2024-05-15 20:03 ` Simen Endsjø
2024-05-16 8:07 ` Eli Zaretskii
2024-05-16 10:50 ` Simen Endsjø
2024-05-16 11:44 ` Simen Endsjø
2024-05-16 12:15 ` Eli Zaretskii
2024-05-18 18:47 ` Simen Endsjø
2024-05-18 19:46 ` Eli Zaretskii
2024-05-18 21:45 ` Simen Endsjø
2024-05-19 5:50 ` Eli Zaretskii
2024-05-19 9:03 ` Eli Zaretskii
2024-05-19 17:41 ` Simen Endsjø
2024-05-19 18:31 ` Eli Zaretskii
2024-05-19 18:38 ` Simen Endsjø
2024-05-20 13:47 ` Eli Zaretskii
2024-05-20 17:54 ` Simen Endsjø
2024-05-20 18:20 ` Eli Zaretskii
2024-05-20 18:41 ` Simen Endsjø [this message]
2024-05-20 19:00 ` Eli Zaretskii
2024-05-20 19:22 ` Eli Zaretskii
2024-05-20 20:28 ` Simen Endsjø
2024-05-21 14:06 ` Eli Zaretskii
2024-05-21 17:39 ` Simen Endsjø
2024-05-21 18:29 ` Eli Zaretskii
2024-05-21 19:05 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-21 19:24 ` Eli Zaretskii
2024-05-21 20:31 ` Simen Endsjø
2024-05-22 4:32 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 4:35 ` Simen Endsjø
2024-05-22 5:08 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 5:57 ` Simen Endsjø
2024-05-22 6:12 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 8:16 ` Simen Endsjø
2024-05-22 8:23 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 8:41 ` Simen Endsjø
2024-05-22 8:50 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 11:09 ` Simen Endsjø
2024-05-22 11:21 ` Simen Endsjø
2024-05-22 11:24 ` Simen Endsjø
2024-05-22 13:26 ` Eli Zaretskii
2024-05-22 13:35 ` Simen Endsjø
2024-05-22 14:07 ` Eli Zaretskii
2024-05-22 11:40 ` Eli Zaretskii
2024-05-22 11:36 ` Eli Zaretskii
2024-05-22 11:24 ` Eli Zaretskii
2024-05-22 13:14 ` Simen Endsjø
2024-05-22 14:03 ` Eli Zaretskii
2024-05-22 16:54 ` Simen Endsjø
2024-05-22 18:19 ` Eli Zaretskii
2024-05-22 19:21 ` Simen Endsjø
2024-05-22 20:28 ` Simen Endsjø
2024-05-23 5:19 ` Eli Zaretskii
2024-05-23 7:31 ` Simen Endsjø
2024-05-23 8:18 ` Eli Zaretskii
2024-05-23 10:05 ` Simen Endsjø
2024-05-23 10:30 ` Ihor Radchenko
2024-05-23 10:39 ` Eli Zaretskii
2024-05-23 10:48 ` Ihor Radchenko
2024-05-23 11:31 ` Eli Zaretskii
2024-05-23 11:51 ` Ihor Radchenko
2024-05-23 13:33 ` Eli Zaretskii
2024-05-23 13:52 ` Ihor Radchenko
2024-05-23 14:05 ` Eli Zaretskii
2024-05-23 14:23 ` Ihor Radchenko
2024-05-23 16:02 ` Eli Zaretskii
2024-05-23 18:33 ` Simen Endsjø
2024-05-23 18:46 ` Eli Zaretskii
2024-05-22 12:26 ` Eli Zaretskii
2024-05-22 13:34 ` Simen Endsjø
2024-05-22 14:05 ` Eli Zaretskii
2024-05-22 14:28 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 14:58 ` Eli Zaretskii
2024-05-22 18:12 ` Hannes Domani via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-05-22 18:32 ` Eli Zaretskii
2024-05-21 20:01 ` Simen Endsjø
2024-05-16 6:42 ` Simen Endsjø
2024-05-16 10:03 ` Eli Zaretskii
2024-05-16 11:00 ` Simen Endsjø
2024-05-16 12:13 ` Eli Zaretskii
2024-05-16 12:11 ` Andrea Corallo
2024-05-16 12:22 ` Eli Zaretskii
2024-05-16 15:26 ` Andrea Corallo
2024-05-16 16:03 ` Eli Zaretskii
2024-05-16 17:04 ` Andrea Corallo
2024-05-16 18:24 ` Eli Zaretskii
2024-05-24 7:59 ` Andrea Corallo
2024-05-24 10:48 ` Eli Zaretskii
2024-05-27 9:53 ` Andrea Corallo
2024-05-27 11:55 ` Eli Zaretskii
2024-05-16 18:40 ` Simen Endsjø
2024-05-16 19:28 ` Eli Zaretskii
2024-05-16 20:13 ` Simen Endsjø
2024-05-16 21:03 ` Simen Endsjø
2024-05-17 6:51 ` Eli Zaretskii
2024-05-17 18:05 ` Simen Endsjø
2024-05-17 18:38 ` Eli Zaretskii
2024-05-17 20:39 ` Simen Endsjø
2024-05-18 11:18 ` Simen Endsjø
2024-05-18 11:49 ` Eli Zaretskii
2024-05-18 18:36 ` Simen Endsjø
2024-05-18 19:35 ` Eli Zaretskii
2024-05-18 19:43 ` Simen Endsjø
2024-05-18 11:55 ` Eli Zaretskii
2024-05-18 18:42 ` Simen Endsjø
2024-05-18 19:40 ` Eli Zaretskii
2024-05-17 6:16 ` Eli Zaretskii
2024-05-15 18:35 ` Eli Zaretskii
2024-05-15 15:18 ` Eli Zaretskii
2024-05-24 10:07 ` Simen Endsjø
2024-05-24 10:47 ` Eli Zaretskii
2024-05-24 13:08 ` Simen Endsjø
2024-05-27 12:54 ` Simen Endsjø
2024-05-27 13:22 ` Eli Zaretskii
[not found] ` <87sey1g5dg.fsf@simendsjo.me>
2024-05-28 18:40 ` Eli Zaretskii
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