GNU bug report logs - #42832
28.0.50; "Bus error" when compiling Emacs now on Debian bullseye

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From: Pip Cet <pipcet <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 42832 <at> debbugs.gnu.org, Paul Eggert <eggert <at> cs.ucla.edu>
Subject: bug#42832: 28.0.50; "Bus error" when compiling Emacs now on Debian bullseye
Date: Fri, 14 Aug 2020 15:01:44 +0000

[Message part 1 (text/plain, inline)]

On Fri, Aug 14, 2020 at 2:24 PM Pip Cet <pipcet <at> gmail.com> wrote:
> If no, any ideas on how to fix it? The obvious fix would be to always
> mark all pdumped objects, but that has a performance cost. Less
> obvious would be clearing the memory in the pdumper image that belongs
> to an object that's being "freed", or keeping track of which pdumper
> objects are still valid after GC...

I've gone with the last idea. This patch should fix things, though
given how difficult the bug is to trigger reliably it might also
merely appear to fix it...

[0001-Try-to-avoid-marking-zombie-pdumper-objects.patch (text/x-patch, attachment)]

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