[pve-devel] pve-qemu-kvm 2.7 : memory state snasphot not working

[Fabian Grünbichler]

On Mon, Oct 31, 2016 at 09:43:06AM +0100, Alexandre DERUMIER wrote:
> Note that the qemu process don't crash, but guest vm reboot after vmstate loaded.
> So maybe we have corruption in memory saved.
> 
> 
> ----- Mail original -----
> De: "aderumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Lundi 31 Octobre 2016 08:44:20
> Objet: [pve-devel] pve-qemu-kvm 2.7 : memory state snasphot not working
> 
> Hi, 
> users have reported problem with memory state snapshot rollback 
> 
> https://forum.proxmox.com/threads/4-3-snapshot-rollback-problem-vm-reboots.30049 
> 
> Here my tests: 
> 
> snasphot from 2.6.1-6 > rollback to 2.6.1-6 : ok 
> snasphot from 2.6.1-6 > rollback to 2.7.0-4: ok 
> snasphot from 2.7.0-4 > rollback to 2.7.0-4 : not working 
> 
> 
> So, the problem seem to be in memory state taken on qemu 2.7. 

could you provide more details about the setup? storage where the
vmstate volume gets stored, bios/UEFI, amount of memory, ballooning?

can't reproduce so far..