Avi Kivity <avi at redhat.com> writes: > Eric W. Biederman wrote: > > We've observed on some machines that keyboard controller reset didn't work, and > that the fallback to triple-fault asserted INIT and not RESET (and that this > INIT was blocked, hanging the machine). Switching to acpi reset worked on some > machines, but not all. Either acpi reset was not implemented on the failing > machines, or it was wired to INIT and not RESET. Right. INIT does not reset things like the MTRRs, I had forgotten that distinction. Frequently the firmware when it regains control at 0xffffffff0 asserts reset, but if we can't get there. Ouch! > Since we already have NMI IPIs, we could disable vmx there. If it is done > unconditionally and without notifiers, there is no chance of having unreviewed > surprises sneaking in. Sounds good to me. Eric
