Package: linux-image-2.6.32-5-xen-amd64
Version: 2.6.32-23
domU's randomly loose network, not at the same time. The only solution for the network to comes back is to reboot the virtual machine.
Distrib version : Debian squeeze
# dpkg -l | grep xen
ii libxenstore3.0 3.4.3~rc3-1 Xenstore communications library for Xen
ii linux-image-2.6.32-5-xen-amd64 2.6.32-23 Linux 2.6.32 for 64-bit PCs, Xen dom0 suppor
ii xen-hypervisor-4.0-amd64 4.0.1~rc5-1 The Xen Hypervisor on AMD64
ii xen-linux-system-2.6.32-5-xen-amd64 2.6.32-23 Xen system with Linux 2.6.32 on 64-bit PCs (
ii xen-qemu-dm-4.0 4.0.0-5 Xen Qemu Device Model virtual machine hardwa
ii xen-utils-4.0 4.0.1~rc5-1 XEN administrative tools
ii xen-utils-common 4.0.0-1 XEN administrative tools - common files
ii xenstore-utils 4.0.1-1 Xenstore utilities for Xen
# dpkg -l | grep udev
ii libudev0 160-1 libudev shared library
ii udev 160-1 /dev/ and hotplug management daemon
A fixed memory amount has been applied to the dom0 (dom0_mem=768M lowmem_emergency_pool=16M)
The offload checksum has been disabled on each domU and dom0. (post-up ethtool -K eth0 tx off)
DomU's are using the same kernel/modules as dom0.
The bug has been reproduced on two servers.
Cordialement,