Re: [Qemu-block] [Qemu-devel] migration issue with qemu 2.10-rc2: QEMU command 'nbd-server-add': Block node is read-only

[Christian Ehrhardt]

On Fri, Aug 11, 2017 at 2:37 PM, Kevin Wolf <address@hidden> wrote:

Am 11.08.2017 um 14:04 hat Fam Zheng geschrieben:
> On Fri, 08/11 13:07, Christian Ehrhardt wrote:
> > Simplifying that to a smaller test:
> >

[...] 

> > Block node is read-only

[...] 

>
> This is actually caused by
>
> commit 9c5e6594f15b7364624a3ad40306c396c93a2145
> Author: Kevin Wolf <address@hidden>
> Date:   Thu May 4 18:52:40 2017 +0200
>
>     block: Fix write/resize permissions for inactive images
>

Yeah in the meantime an automated bisect run is through an agrees.

Thanks for pointing out the right change triggering that so early!

Thanks Kevin for all the suggestions already, I quickly looked at the code but I'm lost there without taking much more time.

Is anybody experienced in that area looking at fixing that?

Because IMHO that is kind of a block bug for 2.10 by breaking formerly working behavior (even as Kevin identified it seems to have done it wrong all the time).