From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Kuhne Subject: Re: Checksumming problem in pv_ops dom0 kernel / netback Date: Thu, 18 Mar 2010 00:37:02 +0100 Message-ID: <4BA1679E.4060300@access.denied> References: <20100317123448.GC16370@alpha.trueline.nl><4BA0CFA1.1040506@access.denied> <20100317154848.GE16370@alpha.trueline.nl> Reply-To: xen-devel@lists.xensource.com Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0637147309==" Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --===============0637147309== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig440E71B88081E33DA05313FD" This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig440E71B88081E33DA05313FD Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Am 18.03.2010 00:25, schrieb James Harper: Hello, > This may not be relavant, but I have seen problems with the following > combination: >=20 > br0: > eth0 > >=20 > br1: > eth0.2 > >=20 > Some (most?) network hardware cannot provide checksum/large send offloa= d > functions for packets that use vlan tagging, but Linux doesn't quite > understand that and gets confused, so when such a packet comes off of > netback and is sent to eth0.2, the LSO/checksum function should be > performed in software but isn't. >=20 I've no VLAN running. But i've only a similar problem. Regards, Stefan Kuhne --------------enig440E71B88081E33DA05313FD Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJLoWejAAoJEFLNPgL3IBVXHvQH/ixsYvGhdN2K05lSsigH6CSt 0l62XjKNlo8RGQHPnSSV4LPn9TXWBnY+UkcktsKxE+Ss6exvSDgUT53Afw5t1kS3 kZLBWOmrIXC2TkHX6B8jdl+KLzSmsnit1QJNj1cWvElJ+tjf9/p+Hh3UuVbamaBB IqOWOy1FbcZ8pxbAZ6ba5gVjOwjvQNhzvgvemVDQsVRa79NtThAmCdCAtQJomLhx mxIUE/Eu6UMPL/9vqupXDWUZChBLw0REuAmUOTHRruKe9Ao9NDN3ECl03g0byEiF M6Une8XTZdNMTRsi44G8J908Egg02nymEKxwcnhD1p7+r3w4Cv+PzblESlv76JM= =r+n4 -----END PGP SIGNATURE----- --------------enig440E71B88081E33DA05313FD-- --===============0637147309== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ Xen-devel mailing list Xen-devel@lists.xensource.com http://lists.xensource.com/xen-devel --===============0637147309==--