Re: [Xen-users] latest GPLPV drivers 0.10.0.86 and microsoft.com

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Fri, Sep 4, 2009 at 7:21 PM, Ian Tobin<itobin@xxxxxxxxxxxxx> wrote:
> Hi,
>
> I realise you can't ping Microsoft.com, but the problem is it just doesn't 
> even resolve the IP address.  Its any Microsoft.com websites.

AF, OK, so we're getting close. Previously you said DNS is fine :D

Can you run this on the PV domU AND a physical machine on the same
network, and paste the results :
- nslookup www.microsoft.com
- ping www.microsoft.com
- the error message when you try to access www.microsoft.com

Also if possible, try setting up Bind
(https://www.isc.org/software/bind), and run "dig +trace
microsoft.com". It should print the DNS query path. Here's the result
from my PC:

$ dig +trace microsoft.com

; <<>> DiG 9.5.1-P2 <<>> +trace microsoft.com
;; global options:  printcmd
.                       4190    IN      NS      I.ROOT-SERVERS.NET.
.                       4190    IN      NS      J.ROOT-SERVERS.NET.
.                       4190    IN      NS      K.ROOT-SERVERS.NET.
.                       4190    IN      NS      L.ROOT-SERVERS.NET.
.                       4190    IN      NS      M.ROOT-SERVERS.NET.
.                       4190    IN      NS      A.ROOT-SERVERS.NET.
.                       4190    IN      NS      B.ROOT-SERVERS.NET.
.                       4190    IN      NS      C.ROOT-SERVERS.NET.
.                       4190    IN      NS      D.ROOT-SERVERS.NET.
.                       4190    IN      NS      E.ROOT-SERVERS.NET.
.                       4190    IN      NS      F.ROOT-SERVERS.NET.
.                       4190    IN      NS      G.ROOT-SERVERS.NET.
.                       4190    IN      NS      H.ROOT-SERVERS.NET.
;; Received 448 bytes from 192.168.17.15#53(192.168.17.15) in 21 ms

com.                    172800  IN      NS      F.GTLD-SERVERS.NET.
com.                    172800  IN      NS      G.GTLD-SERVERS.NET.
com.                    172800  IN      NS      H.GTLD-SERVERS.NET.
com.                    172800  IN      NS      J.GTLD-SERVERS.NET.
com.                    172800  IN      NS      C.GTLD-SERVERS.NET.
com.                    172800  IN      NS      D.GTLD-SERVERS.NET.
com.                    172800  IN      NS      M.GTLD-SERVERS.NET.
com.                    172800  IN      NS      A.GTLD-SERVERS.NET.
com.                    172800  IN      NS      K.GTLD-SERVERS.NET.
com.                    172800  IN      NS      E.GTLD-SERVERS.NET.
com.                    172800  IN      NS      L.GTLD-SERVERS.NET.
com.                    172800  IN      NS      I.GTLD-SERVERS.NET.
com.                    172800  IN      NS      B.GTLD-SERVERS.NET.
;; Received 491 bytes from 202.12.27.33#53(M.ROOT-SERVERS.NET) in 101 ms

microsoft.com.          172800  IN      NS      ns1.msft.net.
microsoft.com.          172800  IN      NS      ns2.msft.net.
microsoft.com.          172800  IN      NS      ns3.msft.net.
microsoft.com.          172800  IN      NS      ns4.msft.net.
microsoft.com.          172800  IN      NS      ns5.msft.net.
;; Received 209 bytes from 192.48.79.30#53(J.GTLD-SERVERS.NET) in 227 ms

microsoft.com.          3600    IN      A       207.46.232.182
microsoft.com.          3600    IN      A       207.46.197.32
;; Received 63 bytes from 64.4.59.173#53(ns2.msft.net) in 208 ms


Probably you're having network problems connecting to ns*.msft.net?

>
> Theres no malware as its a fresh build.  I have just finished creating the 
> new image and now it can ping but i have not installed anything yet so ill do 
> it once step at a time.
>
> Just for your info its 2 seperate DomUs having this problem maintained by 
> different people so unlikely a config problem.
>
> Ill let you know.
>
> Oh and tried disabling the PV drivers but had  no effect

That pretty much ruled out PV driver problem.

If ALL DNS lookup fails, I'd say it's probably network issue. But
since it's only microsoft.com, I'm suspecting problem with your
existing DNS server or connection to MS' name server.

-- 
Fajar

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