Re: [Qemu-devel] postcopy migration hangs while loading virtio state

[Dr. David Alan Gilbert]

* Christian Borntraeger (address@hidden) wrote:
> On 04/26/2017 01:45 PM, Christian Borntraeger wrote:
> 
> >> Hmm, I have a theory, if the flags field has bit 1 set, i.e. 
> >> RAM_SAVE_FLAG_COMPRESS
> >> then try changing ram_handle_compressed to always do the memset.
> > 
> > FWIW, changing ram_handle_compressed to always memset makes the problem go 
> > away.
> 
> It is still running fine now with the "always memset change"

Did we ever nail down a fix for this; as I remember Andrea said
we shouldn't need to do that memset, but we came to the conclusion
it was something specific to how s390 protection keys worked.

Dave

--
Dr. David Alan Gilbert / address@hidden / Manchester, UK