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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: |
Thu, 01 Apr 2021 15:31:33 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Michael Welsh Duggan <mwd@cert.org> writes:
> martin rudalics <rudalics@gmx.at> writes:
>
>> > Okay. I got a nice trigger from this. I've added some extra
>> > debugging info after the backtrace.
>>
>> Thanks. Nice but not amusing. Things like that never can happen. So
>> presumably *Server* is the buffer you want to get rid off. I can only
>> add another diff based on that assumption. Please put a breakpoint on
>> that non-sensical
>>
>> best_window = Qt;
>>
>> line 3050 in window.c. When it triggers please use "s" to painfully
>> step through the entire set_window_buffer and other_buffer_safely below
>> and tell me whether you find something fishy: Is other_buffer_safely
>> called at all and what is the name of the "buf" it returns? Does
>> set_window_buffer for some reason refuse to wset_buffer to the one
>> returned by other_buffer_safely?
>
> The answer, which I sort of suspected, is that it never hit that
> breakpoint at all before the assertion fires.
I am now skeptical about that debug session and will try to recreate
again in a fresh session. (When I did a "list window.c:3050" in gdb I
did not get the expected listing.)
--
Michael Welsh Duggan
(mwd@cert.org)
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/01
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/01
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/04/01
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/04/01
- 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, 2021/04/02
- 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