I've the same problem, but only on amd opteron host. (opteron 6174). No problem with intel xeon.
Host system is proxmox, basicaly, debian lenny with squeeze kernel (2.6.32), qemu 0.12.5 or qemu 0.13. other users reports the same problem http://forum.proxmox.com/threads/5167-Problem-booting-Ubuntu-Server- Lucid-2.6.32-25-kernels -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in ubuntu. https://bugs.launchpad.net/bugs/669818 Title: Update to 10.04 2.6.32-25 as KVM Guest no longer boot -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
