[debbugs-tracker] bug#35711: closed (emacs crashes on m68k after d2f1971dd5)

[GNU bug Tracking System]

Your message dated Tue, 14 May 2019 11:10:52 -0700
with message-id <address@hidden>
and subject line Re: emacs crashes on m68k after d2f1971dd5
has caused the debbugs.gnu.org bug report #35711,
regarding emacs crashes on m68k after d2f1971dd5
to be marked as done.

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35711: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=35711
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--- Begin Message --- Subject: emacs crashes on m68k after d2f1971dd5 Date: Mon, 13 May 2019 14:15:16 +0200 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

Hello!

The commit [1] "Port flexible array members to GCC + valgrind" (d2f1971dd5)
broke emacs on m68k. This is because the new code aligns blocks of 1-byte
strings to 16 bit on m68k which is the default alignment on m68k.

The crash on m68k looks like this [2]:

/bin/mkdir -p ../etc
/usr/bin/make -C ../lisp update-subdirs
make[4]: Entering directory '/<<BUILDDIR>>/emacs-26.1+1/debian/build-gtk/lisp'
make[4]: Leaving directory '/<<BUILDDIR>>/emacs-26.1+1/debian/build-gtk/lisp'
./temacs --batch  --load loadup bootstrap
Loading loadup.el (source)...
Using load-path (/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/emacs-lisp 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/progmodes 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/language 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/international 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/textmodes 
/<<BUILDDIR>>/emacs-26.1+1/debian/build-src/lisp/vc)
Loading emacs-lisp/byte-run (source)...
Loading emacs-lisp/backquote (source)...
Loading subr (source)...
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
make[3]: *** [Makefile:738: bootstrap-emacs] Segmentation fault

The attached patch by Michael Karcher fixes the problem.

Thanks,
Adrian

> [1] 
> http://git.savannah.gnu.org/cgit/emacs.git/commit/?id=d2f1971dd570439da4198fa76603b53b072060f8
> [2] 
> https://buildd.debian.org/status/fetch.php?pkg=emacs&arch=m68k&ver=1%3A26.1%2B1-3.2&stamp=1549253883&raw=0

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - address@hidden
`. `'   Freie Universitaet Berlin - address@hidden
  `-    GPG: 62FF 8A75 84E0 2956 9546  0006 7426 3B37 F5B5 F913

fix-m68k-crash.patch
Description: Text Data

--- End Message ---

> --- Begin Message ---
>
>
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> Subject: 
>
> Re: emacs crashes on m68k after d2f1971dd5
>
>
>
>
> Date: 
>
> Tue, 14 May 2019 11:10:52 -0700
>
>
>
>
> User-agent: 
>
> Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1
>
>
>
>
> On 5/14/19 2:10 AM, John Paul Adrian Glaubitz wrote:
> > backporting your current
> > patch to the 26 branch fixes the bug for me for emacs26.
> >
> > Thus, could you backport your patch to the 26 branch?
>
> Thanks for checking. I backported it and am closing the bug report.
>
>
>
> --- End Message ---