On Thu, Nov 13, 2008 at 03:12:33PM +0000, Mark McLoughlin wrote: > The fact that re-loading the virtio_net driver fixes things up makes me > suspect you've found a bug in the virtio_net driver, rather than e.g. a > bug in the kvm-userspace side. > > To try and narrow down what's happening, when the interface has hung, > try: > > - tcpdump on both eth0 in the guest and the tap device on the host > (tap5 in your example) > > - look for anything unusual in the stats for both those interfaces, > e.g. /proc/net/dev, netstat -s etc. > > - strace the /usr/bin/kvm process > > What you're looking for e.g. is whether a guest->host ping is failing > because the request packet isn't getting to the host or because the > reply packet isn't getting to the guest, and where exactly the packet is > being blocked. >
Nice hints, thanks, I will try to debug that deeper and come back with more informations :) -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
