From: Antoine Martin <antoine@nagafix.co.uk>
To: Jeff Dike <jdike@addtoit.com>
Cc: Blaisorblade <blaisorblade@yahoo.it>,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] regression: pcap broken in 2.6.20.x
Date: Fri, 27 Apr 2007 16:21:11 +0100 [thread overview]
Message-ID: <463214E7.5080605@nagafix.co.uk> (raw)
In-Reply-To: <20070427151051.GB6019@c2.user-mode-linux.org>
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Jeff Dike wrote:
> On Thu, Apr 26, 2007 at 04:12:40PM +0200, Blaisorblade wrote:
>> If there are so many interfaces and they were just reordered, this could be
>> caused by a (non-existant) change in link order. Or (I don't know how) it
>> could derive some way from the fact that interfaces are initialized later
>> (instead of __initcall, late_initcall is now used).
>
> No, there's a database of interface names and MAC addresses somewhere.
> Distros have started making sure that ethx is always the same device
> by making sure that it always has the same MAC. So when a device
> shows up with a different MAC, it gets a new name.
Question remains as to why the mac address was the same until 2.6.20 and
is now different.
>
> The easiest way to work around this is to provide a MAC on the UML
> command line.
Except, pcap doesn't have the option.
I am looking at pcap_user.c and pcap_kern.c trying to figure out where I
can add parsing for that.
Antoine
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next prev parent reply other threads:[~2007-04-27 15:21 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-22 18:43 [uml-devel] regression: pcap broken in 2.6.20.x Antoine Martin
2007-04-25 20:48 ` Jeff Dike
2007-04-25 20:59 ` Antoine Martin
2007-04-26 14:12 ` Blaisorblade
2007-04-27 15:10 ` Jeff Dike
2007-04-27 15:21 ` Antoine Martin [this message]
2007-04-27 15:28 ` Antoine Martin
2007-04-27 15:50 ` Jeff Dike
2007-04-27 16:29 ` Antoine Martin
2007-04-27 16:46 ` Antoine Martin
2007-04-27 16:55 ` Antoine Martin
2007-04-27 20:20 ` Jeff Dike
2007-04-30 17:18 ` Antoine Martin
2007-04-30 18:10 ` Jeff Dike
2007-04-30 19:30 ` Antoine Martin
2007-04-30 21:32 ` Jeff Dike
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