netdev - RE: Bad checksum on bridge with IP options

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Message-ID: <DUB123-W15AFD3F815E035C19E3BF9ED4A0@phx.gbl>
Date:	Sun, 11 May 2014 21:42:40 +0200
From:	Lukas Tribus <luky-37@...mail.com>
To:	David Newall <davidn@...idnewall.com>,
	Netdev <netdev@...r.kernel.org>
Subject: RE: Bad checksum on bridge with IP options

Hi,


> I've been chasing a ping problem with record-route set, and it looks
> like a bug. The problem also occurs with timestamp option set.
> Everything works find when using just the nic, or bonded nics, but
> breaks when I use a bridge. This is 100% repeatable.
>
> This fault has been observed on amd64 architecture running Ubuntu 13.10
> with various Canonical supplied kernels, and running Ubuntu 14.04 with
> Canonical supplied kernel 3.13.0-24-generic.

I think you will have to reproduce this on a vanilla kernel.org kernel
like 3.14.3 and 3.15-rc5 [1] ...


Lukas


[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/

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