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Date:      Tue, 28 Feb 2012 13:48:32 -0500
From:      Arnaud Lacombe <lacombar@gmail.com>
To:        Steve Wills <swills@freebsd.org>
Cc:        "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>, stable@freebsd.org, =?ISO-8859-2?Q?=A3ukasz_W=B1sikowski?= <lukasz@wasikowski.net>, current@freebsd.org, Alexander Leidinger <Alexander@leidinger.net>
Subject:   Re: [CFT] modular kernel config
Message-ID:  <CACqU3MWx3pMMDncvOita-OAgfe=NPKtwKE2WeB_mdcYwozY81Q@mail.gmail.com>
In-Reply-To: <4F4C3FE7.3040802@FreeBSD.org>
References:  <20120221143537.Horde.deyFDZjmRSRPQ52pxBIpnLA@webmail.leidinger.net> <BA7FFA2D-DEE6-4FB7-AE26-0BC79CBFD8C0@lists.zabbadoz.net> <4F4BA707.5070608@wasikowski.net> <4F4C3FE7.3040802@FreeBSD.org>

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Hi,

2012/2/27 Steve Wills <swills@freebsd.org>:
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> On 02/27/12 10:53, =C5=81ukasz W=C4=85sikowski wrote:
>> W dniu 2012-02-22 23:31, Bjoern A. Zeeb pisze:
>>
>>> You cannot ship that on by default for non-tecnical reasons in a
>>> kernel. =C2=A0Please do not commit a kernel config that can be booted
>>> (no LINT cannot be booted) with these on without consulting
>>> appropriate hats upfront.
>>>
>>>
>>>> - ALTQ - SW_WATCHDOG - QUOTA - IPSTEALTH (disabled in
>>>> loader.conf) - IPFIREWALL_FORWARD (touches every packet, power
>>>> users which need a bigger PPS but not this feature can
>>>> recompile the kernel, discussed with julian@) - FLOWTABLE
>>>> (disabled in loader.conf)
>>> Which is not the same as it's not 100% disabled and will still
>>> allocate memory.
>>
>> FLOWTABLE on 8.x crashed BGP routers (kern/144917). I don't know if
>> it is fixed by now, but this kind of potential problematic features
>> should not be enabled by default.
>>
>
> Agree, I've run into problems with FLOWTABLE (with just the features
> that were enabled by default in 8.0) when routers changed MAC
> addresses. As far as I understand it, FLOWTABLE is both broken and
> abandoned (but if I'm wrong, please let me know).
>
You will sure go really far with this kind of "It is broken ? Let's
not fix it and disable it instead" mentality, even more when coming
from a committer.

As long as there will be these kind of comments around here, FreeBSD
will deserve nothing but to keep dying piece by piece, and it will be
deserved.

 - Arnaud

> So, IMHO, not only should it not be enabled by default, but given that
> it was disabled complete in 8.x after 8.0 (too lazy to look at exactly
> when right now), I think it shouldn't even be included, since that
> might encourage users to try it out only to encounter problems with it.
>
> Steve
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