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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: |
Wed, 31 Mar 2021 10:48:27 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
martin rudalics <rudalics@gmx.at> writes:
> >> #0 raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:50
> >> set = {
> >> __val = {402653184, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 268435456,
> 0, 0, 93824994300624, 18446744067266838271}
> >> }
> >> pid = <optimized out>
> >> tid = <optimized out>
> >> #1 0x00005555557197a1 in terminate_due_to_signal
> >> (sig=6, backtrace_limit=2147483647) at ../../master/src/emacs.c:416
> >> #2 0x00005555557c4858 in die
> >> (msg=0x55555594f2a0 "b->window_count == 0", file=0x55555594da8a
> "../../master/src/buffer.c", line=1969) at ../../master/src/alloc.c:7420
> >> #3 0x0000555555759190 in Fkill_buffer
> (buffer_or_name=XIL(0x555557888814))
> >> at ../../master/src/buffer.c:1969
> >> buffer = XIL(0x555557889325)
> >> b = 0x555557889320
> >> tem = XIL(0)
> >> m = 0x0
> >
> > So replace_buffer_in_windows didn't do its job?
>
> Why did replace_buffer_in_windows_safely then apparently fail too? What
> is the value of b->window_count here? Unless we managed to botch that's
> buffer's window count, I can't see how replace_buffer_in_windows_safely
> could have possibly failed.
b->window_count is 1.
--
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, 2021/03/30
- 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, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Eli Zaretskii, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/31
- 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, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, martin rudalics, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/31
- bug#47244: 28.0.50; SIGSEGV in long-runnning Emacs, Michael Welsh Duggan, 2021/03/31
- 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, 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, Michael Welsh Duggan, 2021/03/29