On 19.08.2014 19:23, Marcelo Tosatti wrote:
On Tue, Aug 19, 2014 at 11:00:26AM -0600, Eric Blake wrote:
On 08/19/2014 10:57 AM, Marcelo Tosatti wrote:
rtc-reset-reinjection has been introduced because certain Windows versions will advance the guest system time (via rtc interrupt reinjection).
So if libvirt adjusts the guest system time via guest-set-time, allowing rtc interrupt reinjection to compensate for lost time, as well, will cause an incorrect guest system time.
So you should always use the
guest-set-time rtc-reset-reinjection
pair.
But is that true both for the 'guest-set-time' no-arg case (which tells the guest to read the current RTC and update in-memory time accordingly), as well as the 'guest-set-time with time argument' case (which tells the guest to forcefully set in-memory time, then write that time back to the RTC)?
Yes.
Okay then. I'm posting v3 here [1] which unconditionally calls the monitor command right after the guest agent command. Michal 1: https://www.redhat.com/archives/libvir-list/2014-August/msg00867.html