[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] 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 > > ________________________________ > > This e-mail may contain confidential and privileged material for the sole > use of the intended recipient. If this email is not intended for you, or > you are not responsible for the delivery of this message to the intended > recipient, please note that this message may contain SEAKR Engineering > (SEAKR) Privileged/Proprietary Information. In such a case, you are > strictly prohibited from downloading, photocopying, distributing or > otherwise using this message, its contents or attachments in any way. If > you have received this message in error, please notify us immediately by > replying to this e-mail and delete the message from your mailbox. > Information contained in this message that does not relate to the business > of SEAKR is neither endorsed by nor attributable to SEAKR. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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