On 19.04.2017 18:18, Paolo Bonzini wrote: > From: Tiantian Feng <fengtiantian@xxxxxxxxxx> > > A CPU in VMX root mode will ignore INIT signals and fail to bring > up the APs after reboot. Therefore, on a panic we disable VMX on all > CPUs before rebooting or triggering kdump. > > Do this when halting the machine as well, in case a firmware-level reboot > does not perform a cold reset for all processors. Without doing this, > rebooting the host may hang. Guess this make sense, just wonder if something like that is actually expected to work? Not doing a cold reset feels like leaving a lot of stuff in an uninitialized state. Shouldn't that specific firmware then care about performing any necessary resets? -- Thanks, David
