From: Pip Cet <pipcet@protonmail.com>
To: "Gerd Möllmann" <gerd.moellmann@gmail.com>
Cc: Ihor Radchenko <yantar92@posteo.net>,
emacs-devel@gnu.org, Eli Zaretskii <eliz@gnu.org>,
eller.helmut@gmail.com
Subject: Re: MPS: a random backtrace while toying with gdb
Date: Sun, 30 Jun 2024 09:59:17 +0000 [thread overview]
Message-ID: <azq0lPwvLUVrs21SR4iT_kh7jZPd5_KGpHbr0OQokxGZhajyQ38hVzCqKobqBYLkwBHHDjQakmipVw6TXPp8oGp0b4UCMIYv5CVe4X3E7qk=@protonmail.com> (raw)
In-Reply-To: <m25xtr2zik.fsf@pro2.fritz.box>
On Saturday, June 29th, 2024 at 21:46, Gerd Möllmann <gerd.moellmann@gmail.com> wrote:
> Pip Cet pipcet@protonmail.com writes:
>
> > On Saturday, June 29th, 2024 at 19:11, Ihor Radchenko yantar92@posteo.net wrote:
> >
> > > I just got this while starting up Emacs on the latest scratch/igc (with
> > > native-comp).
> >
> > Looks like the same double-signal situation we saw with the profiler, only this time it's SIGCHLD interrupting an MPS scan.
> >
> > Pip
>
>
> Indeed
>
> #10 0x0000555555827385 in PSEUDOVECTORP (a=XIL(0x7fffeb90875d), code=9) at /home/yantar92/Git/emacs/src/lisp.h:1105
> #11 PROCESSP (a=XIL(0x7fffeb90875d)) at /home/yantar92/Git/emacs/src/process.h:212
> #12 XPROCESS (a=XIL(0x7fffeb90875d)) at /home/yantar92/Git/emacs/src/process.h:224
> #13 handle_child_signal (sig=sig@entry=17) at process.c:7660
>
> Someone has an idea what to do with that? And maybe how to reproduce?
We could always "steal" the SIGSEGV handler and reinstall it with a sigmask (without modifying the MPS source). My guess is that's equivalent to what the macOS code does, essentially, by using a different class of signal that blocks POSIX signals...
Pip
next prev parent reply other threads:[~2024-06-30 9:59 UTC|newest]
Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-29 19:12 MPS: a random backtrace while toying with gdb Ihor Radchenko
2024-06-29 19:19 ` Pip Cet
2024-06-29 21:46 ` Gerd Möllmann
2024-06-30 4:55 ` Eli Zaretskii
2024-06-30 5:33 ` Gerd Möllmann
2024-06-30 6:16 ` Eli Zaretskii
2024-06-30 6:43 ` Gerd Möllmann
2024-06-30 8:52 ` Eli Zaretskii
2024-06-30 9:43 ` Gerd Möllmann
2024-06-30 10:05 ` Eli Zaretskii
2024-06-30 11:20 ` Gerd Möllmann
2024-06-30 12:16 ` Eli Zaretskii
2024-06-30 12:43 ` Gerd Möllmann
2024-06-30 9:36 ` Helmut Eller
2024-06-30 10:00 ` Eli Zaretskii
2024-06-30 10:24 ` Helmut Eller
2024-06-30 10:43 ` Eli Zaretskii
2024-06-30 18:42 ` Helmut Eller
2024-06-30 18:59 ` Gerd Möllmann
2024-06-30 19:25 ` Pip Cet
2024-06-30 19:49 ` Ihor Radchenko
2024-06-30 20:09 ` Eli Zaretskii
2024-06-30 20:32 ` Pip Cet
2024-07-01 11:07 ` Eli Zaretskii
2024-07-01 17:27 ` Pip Cet
2024-07-01 17:42 ` Ihor Radchenko
2024-07-01 18:08 ` Eli Zaretskii
2024-07-02 7:55 ` Pip Cet
2024-07-02 13:10 ` Eli Zaretskii
2024-07-02 14:24 ` Pip Cet
2024-07-02 14:57 ` Eli Zaretskii
2024-07-02 17:06 ` Pip Cet
2024-07-03 11:31 ` Pip Cet
2024-07-03 11:50 ` Eli Zaretskii
2024-07-03 14:35 ` Pip Cet
2024-07-03 15:41 ` Eli Zaretskii
2024-07-01 2:33 ` Eli Zaretskii
2024-07-01 6:05 ` Helmut Eller
2024-06-30 19:58 ` Eli Zaretskii
2024-06-30 21:08 ` Ihor Radchenko
2024-07-01 2:35 ` Eli Zaretskii
2024-07-01 11:13 ` Eli Zaretskii
2024-07-01 11:47 ` Ihor Radchenko
2024-07-01 12:33 ` Eli Zaretskii
2024-07-01 17:17 ` Ihor Radchenko
2024-07-01 17:44 ` Eli Zaretskii
2024-07-01 18:01 ` Ihor Radchenko
2024-07-01 18:16 ` Eli Zaretskii
2024-07-01 18:24 ` Ihor Radchenko
2024-07-01 18:31 ` Eli Zaretskii
2024-07-01 18:51 ` Ihor Radchenko
2024-07-01 19:05 ` Eli Zaretskii
2024-07-01 19:34 ` Gerd Möllmann
2024-07-01 20:00 ` Ihor Radchenko
2024-07-02 4:33 ` Gerd Möllmann
2024-07-02 7:05 ` Ihor Radchenko
2024-07-02 7:06 ` Gerd Möllmann
2024-07-01 18:19 ` Gerd Möllmann
2024-07-01 18:23 ` Eli Zaretskii
2024-06-30 11:07 ` Gerd Möllmann
2024-06-30 11:06 ` Gerd Möllmann
2024-06-30 11:05 ` Gerd Möllmann
2024-06-30 9:59 ` Pip Cet [this message]
2024-06-30 10:09 ` Eli Zaretskii
2024-06-30 10:16 ` Pip Cet
2024-06-30 10:34 ` Eli Zaretskii
2024-06-30 13:06 ` Pip Cet
2024-06-30 11:10 ` Gerd Möllmann
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