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bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs
From: |
Michael Welsh Duggan |
Subject: |
bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs |
Date: |
Tue, 06 Apr 2021 13:24:19 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
martin rudalics <rudalics@gmx.at> writes:
> >> The mysterious aspect is (2): Why did window_list skip the *Server*
> >> window?
> >
> > Good question. I plan to set Vwindow_list to nil and call it to see
> > what happens.
>
> This should resolve the mystery.
I wish it did. After doing this, Vwindow_list has six entries, one for
each selected_window on each frame, and one for each minibuffer window
on each frame. This includes the "*Server*" buffer.
> >> What is the value of FRAME_ROOT_WINDOW (f) where f is the
> >> *Server* frame? What is the name of that window's buffer?
> >
> > It's a window containing the buffer "*Server*".
>
> So a bad FRAME_ROOT_WINDOW can't be the cause for (2).
>
> >> IIUC the *Server* frame does not have a minibuffer window - correct?
> >
> > It didn't appear in Vwindow_list, but it does have a minibuffer.
> >
> > (gdb) p $116->minibuffer_window
> > $139 = XIL(0x555556fc8185)
> > (gdb) xwindow
> > $140 = (struct window *) 0x555556fc8180
> > 84x1+0+59
> > (gdb) p $140->contents
> > $141 = XIL(0x7ffff2a3cb15)
> > (gdb) xbuffer
> > $142 = (struct buffer *) 0x7ffff2a3cb10
> > 0x7ffff2d244ea " *Minibuf-0*"
> >
> > I will note that the window itself is different than the one on the
> > Vwindow_list with the same contents.
>
> Are you sure it's on the same frame as the *Server* window (w->frame
> gives you that)? What is the value of w->next for the *Server* window?
I am certain. w->next on that window is a minibuffer window.
--
Michael Welsh Duggan
(mwd@cert.org)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, (continued)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/05
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/05
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/05
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/05
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/05
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs,
Michael Welsh Duggan <=
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/06
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Andreas Schwab, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/07
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/07