Version shows as 0.9.11.
Nick Couchman
Manager, Information Technology
-----Original Message-----
From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
To: <xen-users@xxxxxxxxxxxxxxxxxxx>
To: Nick Couchman <Nick.Couchman@xxxxxxxxx>
Sent: 11/10/2008 3:57:30 PM
Subject: RE: [Xen-users] GPL PV Intermitent Network Problems
What version of GPLPV? 0.9.11 fixes a few odd network issues.
The Xen PV network card should be using the same IRQ as the PCI device.
Is that not the case?
James
> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-
> bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Nick Couchman
> Sent: Tuesday, 11 November 2008 09:50
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] GPL PV Intermitent Network Problems
>
> Well, I seem to have developed a strange issue with the GPL PV drivers
in
> Windows. I'm running Xen 3.2 on SLES 10 SP2 and running some Windows
XP
> HVM domUs. Most (12-15) of my Windows machines work just fine. Two
of
> them, though, have started exhibiting a strange behavior with
intermittent
> network connectivity. Basically, the network starts up and connects
> initially. After some random amount of time that varies in between
> reboots, it quits working - doesn't respond to pings and isn't able to
get
> access to any network resources at all - cannot ping out, access web
> sites, etc. If I disable the card and re-enabled, sometimes it will
start
> working, sometimes it will fail to pick up a DHCP address, etc. If it
> does start working, it only works for a limited amount of time
(sometimes
> 10 seconds, sometimes 5 minutes) and quits working again.
>
> If I run tcpdump on the dom0 bridge it's using or on the dom0
interface
> for the domU (e.g. vif87.0 where 87 is the number of the running
domU), I
> see ARP requests from hosts for the IP address of the system, but the
domU
> doesn't seem to respond to those requests - there are never any
packets
> coming out of the domU. I can also see ICMP echo requests to the
host,
> but no responses. If I try to ping out from the domU, I don't see any
> packets at all - no ARP requests, no ICMP echo requests, etc.
>
> Has anyone seen this behavior before? I'm working on getting both
Windows
> debugging setup and trying to run tcpdump (or something similar)
inside
> the Windows HVM domU to try to capture what it thinks is happening.
There
> don't appear to be any correlating events for the network card either
> working or failing to work in the dom0 log files, dmesg, xm dmesg, or
xm
> log. I see the following message in the qemu-dm-<id>.log file, but
don't
> know if it's related or not:
>
> I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
>
> Also, sometimes it seems to be related to whether or not I'm doing
> something with the VM. For example, last time I tried it, pings were
> responding fine until I moved my mouse into the VM and then it quit
> working. IRQ conflict, maybe - the network card seems to have used
IRQ
> 5??
>
> Thanks - Nick
>
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