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From: Scott Garron <xen-devel@sce.pridelands.org>
To: xen-devel@lists.xensource.com
Subject: Re: Checksumming problem in pv_ops dom0 kernel / netback
Date: Tue, 30 Mar 2010 18:58:02 -0400	[thread overview]
Message-ID: <4BB281FA.3020906@sce.pridelands.org> (raw)
In-Reply-To: <20100317123448.GC16370@alpha.trueline.nl>

S.H. Verbrugge wrote:
> Ever since we switched to a pv_ops dom0 kernel (we were using 2.6.26 
> xenkernel from Debian repo before, with Xen 3.2), we started to have 
> some problems when attempting to route packets on a domU.

      I'm having the same problem.  All TCP packets that are forwarded
through a domU are somehow getting a static checksum (0x9e85) just as
they're being put out on the wire.  ICMP is dropped by the dom0, as you
describe, with the "Attempting to checksum a non UDP/TCP packet" message
in dmesg.  More detail about my situation is in my post to xen-users, here:

http://lists.xensource.com/archives/html/xen-users/2010-03/msg00846.html

      It doesn't include a solution, though.

> This is a tg3 interface

      I'm also running the tg3 ethernet driver, which may be of
significance.

-- 
Scott Garron

  parent reply	other threads:[~2010-03-30 22:58 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-17 12:34 Checksumming problem in pv_ops dom0 kernel / netback S.H. Verbrugge
2010-03-17 12:48 ` Stefan Kuhne
2010-03-17 15:48   ` S.H. Verbrugge
2010-03-17 23:25     ` James Harper
2010-03-17 23:37       ` Stefan Kuhne
2010-03-17 23:48       ` S.H. Verbrugge
2010-03-18  0:04         ` James Harper
2010-03-18  0:17           ` S.H. Verbrugge
2010-03-30 22:58 ` Scott Garron [this message]
2010-04-14 17:27   ` Pasi Kärkkäinen
2010-04-15  8:20   ` Ian Campbell
2010-05-22 11:51     ` Pasi Kärkkäinen

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