Groups > muc.lists.freebsd.current > #70179

Re: rms_rlock with non-sleepable locks held

From	Dag-Erling Smørgrav <des@FreeBSD.org>
Newsgroups	muc.lists.freebsd.current
Subject	Re: rms_rlock with non-sleepable locks held
Date	2026-05-16 15:45 +0200
Organization	Newsgate at muc.de e.V.
Message-ID	<86a4tzead8.fsf@ltc.des.dev> (permalink)
References	<> <aghCJ5Ean1zhICbS@kib.kiev.ua>

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Konstantin Belousov <kostikbel@gmail.com> writes:
> Dag-Erling Smørgrav <des@FreeBSD.org> writes:
> > On recent main with a debugging kernel, I am unable to build
> > anything as the system slows to a crawl while the console is
> > inundated with stack traces: [...]
> I already posted the patch below somewhere, but did not get a response.

The patch made no difference.

FWIW what triggers the problem is running tail -F on the build log,
which I always do when building.  Tailing a file which is being written
to triggers it on every write, but even tailing an empty file triggers
it about once per second.

So for now I'm able to build, as long as I don't tail the log...

DES
-- 
Dag-Erling Smørgrav - des@FreeBSD.org

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Re: rms_rlock with non-sleepable locks held Dag-Erling Smørgrav <des@FreeBSD.org> - 2026-05-16 15:45 +0200
  Re: rms_rlock with non-sleepable locks held David Wolfskill <david@catwhisker.org> - 2026-05-16 07:55 -0700
    Re: rms_rlock with non-sleepable locks held Dag-Erling Smørgrav <des@FreeBSD.org> - 2026-05-16 17:13 +0200

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