Jan Beulich <jbeul...@suse.com> writes: >>>> On 09.09.15 at 09:31, <ko...@jp.fujitsu.com> wrote: >> The ACPI PM timer is sometimes broken on live migration. >> Since vcpu->arch.hvm_vcpu.guest_time is zero in most cases. > > I.e. in other than "delay for missed ticks mode". Would have been > nice if you had spelled this out explicitly.
Actually, I tried "delay for missed ticks mode" (timer_mode=0). Even in this case, the pmtimer was broken. I don't know why. > With that the question then is - > should the field perhaps be used when non-zero, and the > function only be called otherwise? The adjustment of timer value in pmtimer_save() was introduced before other timer_modes were implemented. I'm not sure (skeptical) the small adjustment is really necessary in pmtimer_save. Thanks, Kouya > > Wei - regardless of the answer to the above (i.e. regardless of > whether a v2 is going to be needed) I think we want this in 4.6. > > Jan _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel