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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: |
Mon, 29 Mar 2021 15:12:50 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
martin rudalics <rudalics@gmx.at> writes:
> > I had removed it, sorry. I'll put it in for the next time.
>
> Don't. I completely forgot that we do replace_buffer_in_windows_safely
> when that fails which even recreates *scratch* when no other buffer is
> found.
>
> > I think so. Both the *Server* window and the *Group* window will, under
> > normal circumstances, be the only window on the frame.
> >
> >> p XWINDOW (selected_window)->parent
> >> p XWINDOW (selected_window)->prev
> >> p XWINDOW (selected_window)->next
> >> p XWINDOW (selected_window)->top_line
> >> p XWINDOW (selected_window)->pixel_height
> >>
> >> print?
> >
> > (gdb) p XWINDOW (selected_window)->parent
> > $15 = XIL(0)
> > (gdb) p XWINDOW (selected_window)->prev
> > $16 = XIL(0)
> > (gdb) p XWINDOW (selected_window)->next
> > $17 = XIL(0x555556e96635)
> > (gdb) p XWINDOW (selected_window)->top_line
> > $18 = 0
> > (gdb) p XWINDOW (selected_window)->pixel_height
> > $19 = 995
>
> These confirm what you say above. Maybe we get that dead buffer via
> `set-window-configuration'? Could
>
> else if (!NILP (w->start))
> /* Leaf window has no live buffer, get one. */
>
> have failed? Can a "live window" have w->start equal nil?
I sincerely hope that question is more addressed to Eli than to me, as I
have no idea. I'm more than happy to run with different breakpoints
and/or debugging code inserted.
--
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, Eli Zaretskii, 2021/03/25
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/29
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs,
Michael Welsh Duggan <=
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/30
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/30