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Subject: bug#43882: 27.1; Gnus sometimes crashes emacs 27.1 during nnir search
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Mikael Svahnberg <mikael.svahnberg@gmail.com> writes:

> Hi,
>
> Sadly, a further update.
>
> I am now on "GNU Emacs 28.0.50 (build 1, x86_64-apple-darwin17.7.0, NS
> appkit-1561.61 Version 10.13.6 (Build 17G14033)) of 2020-10-15". This
> crashes for other reasons once every other day (I haven't been able to pin
> it down well enough to send a bugreport yet), but until just now it has
> behaved itself wrt. the NNIR search.
>
> ... Until now, that is. I again did a search, and emacs gobbled up 100% of
> a cpu for 10-odd seconds and then it crashed.
>
> I have gone back to the default 8MB cache size just to force the issue.
>
> What version, settings, or flags should I set up to provide as rich a
> picture as possible?

I think it would be useful to know what kind of search this is: imap?
Local notmuch installation? Also, how "big" of a search is it -- how
many messages are you expecting to be returned?

Other people might have other suggestions...