On Thu, Jun 18, 2009 at 01:27:25PM +0200, Andreas Jud wrote: > Hi > > We are running kvm-84 on debian x64 Linux. > > We have serveral guest running on this host. > > One guest witch is running windows 2008 server and used as a terminal > server, reboots sometimes unexpected. > > All what I found so far is the following error in the kernel-logfile: > Jun 18 10:33:17 sov07l kernel: [1470365.925930] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 1 after 1 s timeout > Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 2 after 1 s timeout > Jun 18 10:33:17 sov07l kernel: [1470365.929077] kvm_handle_exit: Breaking > out of NMI-blocked state on VCPU 3 after 1 s timeout > > Does anybody have an idea what this mean? And what we could do, to make the > system stable? resolve this error? > You host cpu does not support NMI injection in VMX (your Intel processor is too old). I can't tell for sure if this is what causes w2k8 to reboot itself, but this is possible. Does w2k8 has some kind of NMI watchdog? -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html