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Re: Unexec dumping results in "Segmentation fault" on Windows Msys2
From: |
Eli Zaretskii |
Subject: |
Re: Unexec dumping results in "Segmentation fault" on Windows Msys2 |
Date: |
Sun, 04 Apr 2021 14:34:28 +0300 |
> From: Nikolay Kudryavtsev <nikolay.kudryavtsev@gmail.com>
> Cc: emacs-devel@gnu.org
> Date: Sun, 4 Apr 2021 11:41:33 +0300
>
> Yeah, I know about GDB, but was thinking that someone with more
> experience than me at debugging such issues would be able to
> independently confirm this. I'll try GDB eventually and report my findings.
It's very inefficient (read: impractical) to debug this kind of
problems remotely. And I wouldn't hold my breath expecting people to
build the unexec version.
> The second crash happened for unexec, it seems like (some) pdumper code
> was getting built there. I can confirm that your commit fixed unexec at
> least to the point that I'm getting the same segfault now. Another issue
> with master I just ran into is:
>
> D:/Emacs/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>
> image.o:image.c:(.text+0x7307): undefined reference to
> `rsvg_handle_set_stylesheet'
> D:/Emacs/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/10.2.0/../../../../x86_64-w64-mingw32/bin/ld.exe:
>
> image.o:image.c:(.text+0x73d7): undefined reference to
> `rsvg_handle_set_stylesheet'
This should be fixed now. Alan, please remember the WINDOWSNT aspect
when you add calls to RSVG functions never used before. We had this
discussion in the past, I believe.
> Doing --without-rsvg works. The current msys2 rsvg version is
> librsvg-2.50.3-1. Looks like possible fallout from #44065, since a
> similar result was reported there.
No, because that change was never committed. It's a new problem,
since yesterday.
- Unexec dumping results in "Segmentation fault" on Windows Msys2, Nikolay Kudryavtsev, 2021/04/03
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Eli Zaretskii, 2021/04/04
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Eli Zaretskii, 2021/04/04
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Nikolay Kudryavtsev, 2021/04/04
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Nikolay Kudryavtsev, 2021/04/15
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Eli Zaretskii, 2021/04/15
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Nikolay Kudryavtsev, 2021/04/15
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Eli Zaretskii, 2021/04/15
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Nikolay Kudryavtsev, 2021/04/16
- Re: Unexec dumping results in "Segmentation fault" on Windows Msys2, Eli Zaretskii, 2021/04/16