On Saturday there were some updates for Squeeze/Stable, for example a new/updated version of Xen hypervisor and kernels were downloaded and installed:  gate:~# dir /var/cache/apt/archives/ base-files_6.0squeeze7_amd64.deb libxenstore3.0_4.0.1-5.6_amd64.deb bind9-host_1%3a9.7.3.dfsg-1~squeeze9_amd64.deb linux-base_2.6.32-48_all.deb dbus_1.2.24-4+squeeze2_amd64.deb linux-image-2.6.32-5-amd64_2.6.32-48_amd64.deb dbus-x11_1.2.24-4+squeeze2_amd64.deb linux-image-2.6.32-5-xen-amd64_2.6.32-48_amd64.deb firmware-linux-free_2.6.32-48_all.deb lock gzip_1.3.12-9+squeeze1_amd64.deb openssh-client_1%3a5.5p1-6+squeeze3_amd64.deb host_1%3a9.7.3.dfsg-1~squeeze9_all.deb openssh-server_1%3a5.5p1-6+squeeze3_amd64.deb libbind9-60_1%3a9.7.3.dfsg-1~squeeze9_amd64.deb… Read moreXen problems with VMs on 2.6.32-5-xen-amd64?