On 2020/7/28 19:44, Daniel P. Berrangé wrote: > On Tue, Jul 28, 2020 at 07:35:11PM +0800, zhukeqian wrote: >> >> >> On 2020/7/28 18:32, Daniel P. Berrangé wrote: >>> On Wed, Jul 15, 2020 at 02:18:01PM +0800, Keqian Zhu wrote: >>>> For that Qemu supports returning incoming migration info since its commit >>>> 65ace0604551 (migration: add postcopy total blocktime into query-migrate), >>>> which may contains active status, but without RAM info. Drop this binding >>>> relationship check in libvirt. >>> >>> I'm not clear from this description what the actual bug in libvirt >>> is ? What currently fails in libvirt that this patch fixes ? >>> >> When query migration status, libvirt assumes that when migration status is active, >> then RAM info must be set. However qemu has changed this assumption, so libvirt will >> report "migration was active, but no RAM info was set" when query migration info. > > So you're trying to make it possible to query migration stats on the > destination host ? IOW, this is a new feature, rather than a bug > fix ? Yes, actually I do not obviously mention it as bug fix in patch message. Thanks, Keqian > > Regards, > Daniel >