GNU bug report logs - #30855
25.3; temacs fails with bus error during garbage collection

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Message #29 received at 30855 <at> debbugs.gnu.org (full text, mbox):

From: Ulrich Mueller <ulm <at> gentoo.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: schwab <at> suse.de, Paul Eggert <eggert <at> cs.ucla.edu>,
 gentoo-bug <at> opensource.sf-tec.de, 30855 <at> debbugs.gnu.org
Subject: Re: bug#30855: 25.3; temacs fails with bus error during garbage
 collection
Date: Tue, 20 Mar 2018 22:19:37 +0100

>>>>> On Tue, 20 Mar 2018, Paul Eggert wrote:

> I installed the attached into master; if it fixes Ulrich's problem
> I think this should be backported to emacs-26.

Thanks. This fixes the build on sparc both for 25.3 and 26.0.91
(tested by Rolf Eike Beer, see https://bugs.gentoo.org/647238#c18).


>>>>> On Tue, 20 Mar 2018, Eli Zaretskii wrote:

> I'm okay with backporting, unless the configuration where it happens
> is extremely rare, so much so that we can get away with this as a
> "known problem".

I would really appreciate if this could be included with Emacs 26.
It would be less than ideal if we (Gentoo) needed a downstream patch
for the initial version because otherwise it won't even build on
sparc.

Also, doesn't this bug affect other architectures too, and at least
cause a performance penalty for unaligned access?

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