Am 08.07.2015 um 12:14 schrieb Dr. David Alan Gilbert: > * Christian Borntraeger (borntrae...@de.ibm.com) wrote: >> Am 07.07.2015 um 15:08 schrieb Juan Quintela: >>> This includes a new section that for now just stores the current qemu state. >>> >>> Right now, there are only one way to control what is the state of the >>> target after migration. >>> >>> - If you run the target qemu with -S, it would start stopped. >>> - If you run the target qemu without -S, it would run just after migration >>> finishes. >>> >>> The problem here is what happens if we start the target without -S and >>> there happens one error during migration that puts current state as >>> -EIO. Migration would ends (notice that the error happend doing block >>> IO, network IO, i.e. nothing related with migration), and when >>> migration finish, we would just "continue" running on destination, >>> probably hanging the guest/corruption data, whatever. >>> >>> Signed-off-by: Juan Quintela <quint...@redhat.com> >>> Reviewed-by: Dr. David Alan Gilbert <dgilb...@redhat.com> >> >> This is bisected to cause a regression on s390. >> >> A guest restarts (booting) after managedsave/start instead of continuing. >> >> Do you have any idea what might be wrong? > > I'd add some debug to the pre_save and post_load to see what state value is > being saved/restored.
migrate_global_state_pre_save saved state: paused migrate_global_state_post_load loaded state: paused > Also, does that regression happen when doing the save/restore using the > same/latest > git, or is it a load from an older version? It the same git that fails.
