From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: PCI passthrough issue Date: Wed, 12 Jan 2011 16:40:34 -0500 Message-ID: <20110112214034.GA5833@dumpdata.com> References: <4D2DCB09.5010703@jbfavre.org> <20110112154344.GA28780@dumpdata.com> <4D2DCE8F.3060504@jbfavre.org> <20110112163647.GB10863@dumpdata.com> <4D2DDD4D.9090503@jbfavre.org> <20110112172620.GB11522@dumpdata.com> <4D2DE889.4040604@jbfavre.org> <20110112183242.GA23125@dumpdata.com> <4D2E0A02.2020606@jbfavre.org> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: Content-Disposition: inline In-Reply-To: <4D2E0A02.2020606@jbfavre.org> 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 On Wed, Jan 12, 2011 at 09:07:30PM +0100, Jean Baptiste Favre wrote: > Le 12/01/2011 19:32, Konrad Rzeszutek Wilk a =E9crit : > >> > >> Finally, I think that my setup shall not be responsible for the fact > >> that ping works, small DNS answers are received but not bigger ones > >=20 > > Aah, somehow I missed that fact. >=20 > Seems yes :) >=20 > >> (limit seems to be around 100 bytes). > >=20 > > What does wireshark or tcpdump tell you when you send the larger pack= ets? >=20 > That's one of my problem: nothing special :( >=20 > I can only run tcpdump on my gateway (no SSH available on my OpenWRT > domU and only xm console access is available). You can install (or just compile it statically) tcpdump on your OpenWRT, or just hook it up to a beffier guest.. > I see DNS requests comming in, I see DNS answers going out. > ARP requests are fine. >=20 > As an example: > dig free.fr works > dig jbfavre.org works > dig amazon.fr works > dig amazon.com works (quite long, but works) > dig google.fr fails > dig google.com fails Fails as in response or fails halfway? >=20 > >From another machine in the same LAN, all requests work fine. >=20 > Thought this was due to some ARP restriction setted up by default in > OpenWRT, but in this case, I can not explain why some DNS lookup do wor= k > and some don't. >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel