Date: Sun, 04 Oct 2009 23:39:26 +0200 From: "Arno J. Klaassen" <arno@heho.snv.jussieu.fr> To: Dmitry Marakasov <amdmi3@amdmi3.ru> Cc: freebsd-current@freebsd.org Subject: Re: Data corruption with checksum offloading enabled Message-ID: <wp3a5yx2i9.fsf@heho.snv.jussieu.fr> In-Reply-To: <20091004190347.GC64567@hades.panopticon> (Dmitry Marakasov's message of "Sun\, 4 Oct 2009 23\:03\:47 %2B0400") References: <20090123221826.GB30982@deprived.panopticon> <20090126144044.GB6054@hades.panopticon> <wphc3kj4sb.fsf@heho.snv.jussieu.fr> <20090127164617.GA93440@hades.panopticon> <wpy6wwiqjk.fsf@heho.snv.jussieu.fr> <20090128042148.GA1256@hades.panopticon> <20090814021340.GA1275@hades.panopticon> <wpeipj2nvw.fsf@heho.snv.jussieu.fr> <20091004190347.GC64567@hades.panopticon>
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Hello,
Dmitry Marakasov <amdmi3@amdmi3.ru> writes:
> * Arno J. Klaassen (arno@heho.snv.jussieu.fr) wrote:
>
> I had no problems since my previous message, however I've just noticed
> that rxcsum is disabled by default on 8.x. So this should really be
> tested after explicitely enabling it with ifconfig +rxcsum.
it is on on my 8-box :
[root@siamesetwins ~]# uname -a
FreeBSD siamesetwins 8.0-RC1 FreeBSD 8.0-RC1 #0: Sat Oct 3 19:22:51
CEST 2009 toor@siamesetwins:/zfiles/obj/raid1/bsd/8/src/sys/S3992-E amd64
[root@siamesetwins ~]# ifconfig bge0
bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
That said, I will test with explicit enabling and disabling ?xcsum on my
troublesome box (which is a lab-fileserver, I doubt a bit the
performance penalty (though most clients are 100Mbps linux))
Best, Arno
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