Re: [Qemu-devel] virtio-net: network stops responding in Win2k3 server

2014-02-06 Thread ing. Mario De Chenno
Still having problems, even after upgrading to latest virtio-win driver: DriverVer=11/20/2013,52.65.104.7400 NIC stops responding, and I often need to power off and back on the vm, since disabling the affected nic within Windows does not always solve the problem. tap setting are the same as before

Re: [Qemu-devel] virtio-net: network stops responding in Win2k3 server

2013-11-26 Thread ing. Mario De Chenno
Since it's a production machine, I had to try a remedy first: I changed one network card (pub, of course) to e1000 and now it's up from 62 hours (maybe a record!) Here is the output for the other card (virtio): I guess parameters should have been the same for the affected interface too (they are n

Re: [Qemu-devel] virtio-net: network stops responding in Win2k3 server

2013-11-24 Thread Yan Vugenfirer
Hi Mario, Can you check the offload settings of the tap device that is connected to guest? Run “ethtool -k tap-solaripub”. On the guest. Raise the log verbosity by going to device manager -> NetKVM device -> Advanced tab -> Logging.Level and changing it to 4. Use DebugView to record the driver

[Qemu-devel] virtio-net: network stops responding in Win2k3 server

2013-11-22 Thread Mario De Chenno
Hi all. We are facing some network issues on some Windows Server 2003 machines. In short, network seems to lock up and stops responding even to ping requests. From TCPdump on the tap interface on the server I only see arp request to the gateway, without replies. Increased tx overruns on the some in

[Qemu-devel] virtio-net: network stops responding in Win2k3 server

2013-11-20 Thread ing. Mario De Chenno
Hi all. We are facing some network issues on some Windows Server 2003 machines. In short, network seems to lock up and stops responding even to ping requests. From TCPdump on the tap interface on the server I only see arp request to the gateway, without replies. Increased tx overruns on the some in