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

[Alexandre DERUMIER]

here my example  


bootdisk: scsi0
cores: 1
ide2: none,media=cdrom
memory: 512
name: debianjessie
numa: 0
ostype: other
scsi0: ceph:vm-182-disk-1,size=32G
scsihw: virtio-scsi-pci
smbios1: uuid=f64f95b6-f58a-406d-9247-9618771bdc1a
sockets: 1




----- Mail original -----
De: "Fabian Grünbichler" <f.gruenbichler at proxmox.com>
À: "pve-devel" <pve-devel at pve.proxmox.com>
Envoyé: Lundi 31 Octobre 2016 12:13:50
Objet: Re: [pve-devel] pve-qemu-kvm 2.7 : memory state snasphot not working

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.. 

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