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Date:      Wed, 19 Feb 2020 20:27:16 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 235856] FreeBSD freezes on AWS EC2 t3 machines
Message-ID:  <bug-235856-27103-P09BUyG1Zg@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-235856-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-235856-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D235856

--- Comment #24 from Colin Percival <cperciva@FreeBSD.org> ---
(In reply to mail from comment #23)

> Comparing 03:24:53 with the access times of the daily scripts though:
>
> ls -lahtuT /etc/periodic/daily/
> [snip]

Looks like it was probably something from the daily security run (which is
kicked off by 450.status-security).  Can you look at the timestamps on
/etc/periodic/security/ ?

> I think there definately is a link between this bug and high disk-/networ=
k-io
> so the periodic framework probably classifies as a nice trigger (especial=
ly the
> security bits with the find commands)....

Yeah, I'm guessing that it's related to find causing lots of I/O.

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