Looks highly related to Debian bug report 621072: http://bugs.debian.org /cgi-bin/bugreport.cgi?bug=621072
Bastian over there reverted commit 67e87f0a1c5cbc750f81ebf6a128e8ff6f4376cc (https://patchwork.kernel.org/patch/252321/) and it worked for them. ** Bug watch added: Debian Bug tracker #621072 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=621072 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/790747 Title: Ubuntu 10.04 freeze on boot when using more than 578M in Xenserver / Xen -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs