Still could not reproduce. Since KSM shows up in the stack trace, could you try disabling KSM by doing
echo 0 > /sys/kernel/mm/ksm/run and then try again? Please also append your /etc/default/qemu-kvm and the result of virsh dumpxml (winxp_vm_name) to this report. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/710114 Title: kvm/qemu server "freeze" -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs