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Date:      Sun, 30 Jul 2006 15:48:07 +0900
From:      Pyun YongHyeon <pyunyh@gmail.com>
To:        Yar Tikhiy <yar@FreeBSD.org>
Cc:        cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, Pyun YongHyeon <yongari@FreeBSD.org>
Subject:   Re: cvs commit: src/sys/dev/em if_em.c
Message-ID:  <20060730064807.GA32731@cdnetworks.co.kr>
In-Reply-To: <20060729205009.GA37970@freefall.freebsd.org>
References:  <200607270043.k6R0hY8g088353@repoman.freebsd.org> <20060729205009.GA37970@freefall.freebsd.org>

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On Sat, Jul 29, 2006 at 08:50:09PM +0000, Yar Tikhiy wrote:
 > On Thu, Jul 27, 2006 at 12:43:34AM +0000, Pyun YongHyeon wrote:
 > > yongari     2006-07-27 00:43:34 UTC
 > > 
 > >   FreeBSD src repository
 > > 
 > >   Modified files:
 > >     sys/dev/em           if_em.c 
 > >   Log:
 > >   Prepending an mbuf after loading a DMA map results in unexpected
 > >   result. So, modify mbuf chains before loading a DMA map.
 > >   
 > >   Revision  Changes    Path
 > >   1.122     +28 -31    src/sys/dev/em/if_em.c
 > 
 > Thanks a lot!  Do you think this can fix kern/72933?
 > 

I can't sure it helps as the submitter reported the same issue
on bge(4). Btw, I think the VLAN fixup code should use m_prepend(9)
insatead of M_PREEND(9) because we don't know whether a new mbuf
is allocated or not after M_PREPEND(9) call.

-- 
Regards,
Pyun YongHyeon



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