From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Baptiste Favre Subject: Re: PCI passthrough issue Date: Wed, 12 Jan 2011 23:18:45 +0100 Message-ID: <4D2E28C5.30203@jbfavre.org> 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> <20110112214034.GA5833@dumpdata.com> <4D2E2149.1010002@jbfavre.org> Reply-To: xen-devel@lists.xensource.com Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <4D2E2149.1010002@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 Ok, my bad. Screen IS available on OpenWRT. I've added it to my disk image and now have a tcpdump capture of network traffic of my DomU Have the same network capture from my GW so I 'll be able to investigate deeper. Let me know if you have specific points you want me to look at. Regards, JB Le 12/01/2011 22:46, Jean Baptiste Favre a =E9crit : > Le 12/01/2011 22:40, Konrad Rzeszutek Wilk a =E9crit : >> 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 fac= t >>>>> that ping works, small DNS answers are received but not bigger ones >>>> >>>> Aah, somehow I missed that fact. >>> >>> Seems yes :) >>> >>>>> (limit seems to be around 100 bytes). >>>> >>>> What does wireshark or tcpdump tell you when you send the larger pac= kets? >>> >>> That's one of my problem: nothing special :( >>> >>> 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 OpenWR= T, >> or just hook it up to a beffier guest.. >=20 > tcpdump is available on my OpenWRT domU, but I can not perform tcpdump > and DNS lookup with only console access and AFAIK screen is not > available on OpenWRT >=20 >>> I see DNS requests comming in, I see DNS answers going out. >>> ARP requests are fine. >>> >>> 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 > Fails as in: > # dig google.com >=20 > ; <<>> DiG 9.7.2-P3 <<>> google.com > ;; global options: +cmd > ;; connection timed out; no servers could be reached >=20 >>> >>> >From another machine in the same LAN, all requests work fine. >>> >>> 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 w= ork >>> and some don't. >=20 > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel >=20