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To: Mark Millard <markmi@dsl-only.net>
cc: bob prohaska <fbsd@www.zefox.net>,
 FreeBSD Hackers <freebsd-hackers@freebsd.org>,
 Freebsd-arm <freebsd-arm@freebsd.org>
Subject: Re: Builworld stalls on rpi2 [various processes stuck in pfault and
 vmwait with 1996M Free Swap listed by top]
In-reply-to: <19904500-5819-47AC-9666-7103ED87C1CA@dsl-only.net>
From: "Poul-Henning Kamp" <phk@phk.freebsd.dk>
References: <20180113005426.GA48702@www.zefox.net>
 <19904500-5819-47AC-9666-7103ED87C1CA@dsl-only.net>
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Date: Sat, 13 Jan 2018 09:08:33 +0000
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--------
In message <19904500-5819-47AC-9666-7103ED87C1CA@dsl-only.net>, Mark Milla=
rd wr
ites:

>> Trying to self-host a build of r327859 using a GENERIC kernel at  =

>> r327664, make seems to stall, with top showing

In all likelyhood you do not have enough swap configured, getting
through the llvm compilation takes insane amounts of VM these days.

At the very least you can forget anything about make -j N for N>1

-- =

Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    =

Never attribute to malice what can adequately be explained by incompetence=
.