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Date:      Wed, 25 Apr 2012 23:41:40 +0400
From:      Andrey Zonov <andrey@zonov.org>
To:        Kai Gallasch <gallasch@free.de>
Cc:        freebsd-stable <freebsd-stable@freebsd.org>
Subject:   Re: FreeBSD 9.0 - BCE_JUMBO_HDRSPLIT kernel option for bce device still needed?
Message-ID:  <4F985374.9080807@zonov.org>
In-Reply-To: <EABC85F6-8684-428A-854E-16EF9EDCDE7F@free.de>
References:  <EABC85F6-8684-428A-854E-16EF9EDCDE7F@free.de>

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On 4/19/12 11:11 PM, Kai Gallasch wrote:
> Hi.
>
> I found the comment below in an older 8.1 kernel config file.
>
> # BCE_JUMBO_HDRSPLIT
> # freebsd-current@freebsd.org/2009-11/msg00065.html
> # [The bce driver does not have a memory leak,
> # it does however have a bug which causes memory
> # fragmentation leading to denied mbuf allocation.]
> #=20
> # You need to put "options BCE_JUMBO_HDRSPLIT"
> # In your kernel to enable the work arround.
>
> Is the kernel option BCE_JUMBO_HDRSPLIT still needed for a FreeBSD 9 kernel if you use the bce device (broadcom) ?
> I find it in the 9.0 kernel LINT file but it's not part of the GENERIC kernel.
>

Hi,

There is no such option in the kernel anymore, instead there is 
hw.bce.hdr_split tunable which is turn on by default.

-- 
Andrey Zonov



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