[pve-devel] [PATCH] since qemu 1.7 xbzrle is AUTOMATICALLY enabled in the end of transfer - we need to explicit disable all feature we do not want

[Alexandre DERUMIER]

>>very good question - i've no VM running 1.4 anymore. Alexandre do you 
>>have one where you can try? 

Just tested, it's working fine  (qemu 1.4 -> qemu 1.7).

doesn't seem to be a problem to setup an unknown capability on qemu 1.4 (auto-converge)

----- Mail original ----- 

De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
À: "Dietmar Maurer" <dietmar at proxmox.com>, "Alexandre DERUMIER" <aderumier at odiso.com> 
Cc: pve-devel at pve.proxmox.com 
Envoyé: Lundi 10 Février 2014 13:25:41 
Objet: Re: [pve-devel] [PATCH] since qemu 1.7 xbzrle is AUTOMATICALLY enabled in the end of transfer - we need to explicit disable all feature we do not want 


Am 10.02.2014 12:52, schrieb Dietmar Maurer: 
>>> Are you sure that your vms didn't have xbzrle enabled from a previous 
>> migration ? 
>>> (Because when the capability is turned on once, it's always enabled 
>>> for next migrations) 
>> 
>> mhm might be - i thought i was sure they don't. Sorry about that. At least it still 
>> makes sense to explicit disable everything we don't want ;-) 
>> 
>>> (Anyway, I think we can apply your patches, to be sure that 
>>> capabilities are turned on or off) 
> 
> Does your patch work with kvm 1.4 (if someone want to migrate a old kvm VM)? 

very good question - i've no VM running 1.4 anymore. Alexandre do you 
have one where you can try? 

Stefan