From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ian Campbell <ian.campbell@citrix.com>
Subject: Re: [linux-4.1 test] 63030: regressions - FAIL
Date: Wed, 21 Oct 2015 17:47:06 +0100
Message-ID: <1445446026.32735.18.camel@citrix.com>
References: <osstest-63030-mainreport@xen.org>
	<20151019135155.GB13286@zion.uk.xensource.com>
	<22054.21022.517755.482055@mariner.uk.xensource.com>
	<20151020152423.GC29090@zion.uk.xensource.com>
	<22054.24314.632722.619437@mariner.uk.xensource.com>
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To: Ian Jackson <Ian.Jackson@eu.citrix.com>, Wei Liu <wei.liu2@citrix.com>
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On Tue, 2015-10-20 at 16:34 +0100, Ian Jackson wrote:
> Wei Liu writes ("Re: [Xen-devel] [linux-4.1 test] 63030: regressions 
> - FAIL"):
> > From mere code inspection and document of lwip 1.3.0 I think mini
> -os
> > does send gratuitous ARP.
> 
> The guest is using the PVHVM drivers at this point, with the backend
> directly in dom0, so it is the guest's gratuitous arp which is needed,
> I think.

It would be worth investigating whether mini-os's gratuitous ARP might
also be occurring and confusing things, e.g. by coming after and
therefore taking precedence over the one coming from the guest.

Ian.