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Date: Tue, 7 Feb 2006 12:58:42 -0600
From: Bill Marquette <bill.marquette@gmail.com>
To: freebsd-pf@freebsd.org
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References: <200602061102.k16B2Jis081798@freefall.freebsd.org>
Subject: Re: Current problem reports assigned to you
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On 2/6/06, FreeBSD bugmaster <bugmaster@freebsd.org> wrote:
> Current FreeBSD problem reports
> Critical problems
> Serious problems
>
> S  Submitted   Tracker     Resp.       Description
> -------------------------------------------------------------------------=
------
> o [2005/06/15] kern/82271  pf          [pf] cbq scheduler cause bad laten=
cy

Hmmm, we're seeing this in pfSense on both the cbq and hfsc
schedulers.  I'm glad I saw this come through, I've spent a fair
amount of time trying to figure out what was wrong.  CBQ in RELENG_6
is still doing what this PR suggests using the pfSense shaper setup
(we've disabled it for now).  HFSC appears to work for a while (at
least I see no bad latencies immediately after load), but it
eventually (in some cases immediately) also tends to cause massive
latencies (completely idle connection showing 700ms pings w/ altq and
30ms pings w/out).  It can be challenging to duplicate this with
setups going from working to broken to working.

--Bill