Hello, I posted allready in a duplicate bug, haven`t seen, that this is the main thread.
I was fighting with the same error described here. I installed Hiranos kernel (32-bit version) on my AMD Athlon X2 5600+ server. With that kernel I am now able to get my network up and running, however the network connectivity is still broken for large data transfers. I use right now Hardy Heron for Dom0 and my DomU Clients, all with the patched Kernel. My problem is: Every outgoing tcp-connection (from a domU) stalls and finally hangs, as soon as there is more data than a couple of bytes going out. Doing a "ls -laR /" in an ssh-session is allready enough. As soon as I transfer in a second session a large file from my DomU-Guest with FTP to another physical server in the internet, IP connectivity to the DomU is not longer possible, till I kill both processes and wait some time. It is no problem transfering large files etc. TO my domU server, the problem only occurs when sending data out. I am running the routed network with public IP addresses on all interfaces. I was now able to trace the issue a little further: running an scp from a virtual domU host to another physical server in the same datacenter i had four tcpdumps sniffing. I stopped the scp when the connection was stalling. domU eth0: reports 1627 packets (all packets to dest-ip) dom0 vif1.0: reports 1627 packets (all packets to dest-ip) dom0 eth0: reports 1295 packets (all packets to dest-ip) destination: reports 1295 packtes (all packets from domU-ip) So I realized, that the packet-loss happens in the dom0 and not longer in the eth0-vifX.X connection. However communication with the dom0 itself is no problem, neither in or out. Comparing the dumps from both interfaces of dom0 I see, that just every 3rd to 6th packet is missing on eth0 and will be finally resend if not confirmed with an ACK. I have no firewalling (empty iptables) in dom0 Any ideas?? Just repeating: There is no problem in the other direction: From outside TO domU.... Regards Wolfgang Wolfgang -- xen guest kernel bug: 'kernel BUG at /build/buildd/linux-2.6.24/debian/build/custom-source-xen/drivers/xen/netfront/netfront.c:785' https://bugs.launchpad.net/bugs/218126 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
