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Date:      Thu, 28 Dec 2006 10:47:50 -0500
From:      Ken Smith <kensmith@cse.Buffalo.EDU>
To:        Thomas Herrlin <junics-fbsdstable@atlantis.maniacs.se>
Cc:        peter@holm.cc, freebsd-stable@freebsd.org
Subject:   Re: FreeBSD 6.2-RC2 Available - networking zoneli freeze problem still exist.
Message-ID:  <1167320870.52842.20.camel@opus.cse.buffalo.edu>
In-Reply-To: <4593DC34.2030308@atlantis.maniacs.se>
References:  <1167247246.96863.23.camel@opus.cse.buffalo.edu> <4593DC34.2030308@atlantis.maniacs.se>

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On Thu, 2006-12-28 at 16:01 +0100, Thomas Herrlin wrote:
> It still runs networking daemons into a frozen zoneli state on
> heavy/(D)DOS network loads. Such processes cant be kill-9ed so there is
> no way to recover from it. (think frozen sshd and a very remote/headless
> server).
> See the stress test panic called 'Ran out of "128 Bucket"
> <http://people.FreeBSD.org/%7Epho/stress/log/cons210.html>' on the 6.2
> todo list and my own latest test here:
> http://www.maniacs.se/~junics/temp/vmstat-z.txt
> This test was on a new 6.2-RC2 install with no zone limit tweaks nor any
> sbsize limits in /etc/login.conf.
> I just made a vm disk image with replication instructions, however Peter
> Holm have replicated it with his own tools so i have not bothered with
> it until now.=20

That problem is being worked on but won't be fixed for 6.2-REL.
Depending on how complex the fix winds up being it may be an Errata
candidate when the time comes.

--=20
                                                Ken Smith
- From there to here, from here to      |       kensmith@cse.buffalo.edu
  there, funny things are everywhere.   |
                      - Theodore Geisel |


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