[pve-devel] vm migration source vm crash, with qxl , qemu 2.7 -> qemu 2.9

[Fabian Grünbichler]

On Thu, May 18, 2017 at 08:52:57PM +0200, Alexandre DERUMIER wrote:
> mmm, seem to be random. (sometime it's work, sometime crash, with/without qemu 2.7 - 2.9)
> 
> I have seen bug report on qemu mailing list, seem to be related to spice driver in windows 10 too.

yes, this sounds very much like
https://bugs.launchpad.net/qemu/+bug/1635339

> ----- Mail original -----
> De: "aderumier" <aderumier at odiso.com>
> À: "pve-devel" <pve-devel at pve.proxmox.com>
> Envoyé: Jeudi 18 Mai 2017 11:29:19
> Objet: [pve-devel] vm migration source vm crash, with qxl ,	qemu 2.7 -> qemu 2.9
> 
> Hi, 
> 
> I have tested vm live migration with qxl/spice enabled, from proxmox 4.4 (qemu 2.7) to proxmox 5.0 (qemu 2.9), 
> 
> the source vm is crashing during the migration: 
> 
> 
> kvm: hw/display/qxl.c:2138: qxl_pre_save: Assertion `d->last_release_offset < d->vga.vram_size' failed. 
> Aborted 
> 
> 
> It's working fine between 2 proxmox 4.4 nodes (both qemu 2.7) 
> 
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