Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-26 Thread Olaf Hering
On Fri, Jun 23, Ankur Arora wrote:

> There was an earlier version of this patch by Konrad -- which takes
> care of the migration failure: https://patchwork.kernel.org/patch/6768031/

Thanks so much. That one actually works.


Olaf


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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-23 Thread Ankur Arora

On 2017-06-23 10:03 AM, Boris Ostrovsky wrote:



On 06/23/2017 12:54 PM, Olaf Hering wrote:

On Thu, Jun 22, Boris Ostrovsky wrote:


They are queued for 4.13.
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13


This works for me. Thanks.

I assume there is no ready-to-pull variant for linux-4.4.x?
nm.



Not that I am aware of. Unless Ankur backported them to OL which is 
(loosely) based on 4.1.

There was an earlier version of this patch by Konrad -- which takes
care of the migration failure: https://patchwork.kernel.org/patch/6768031/

Olaf, can you try this out?

Thanks
Ankur




-boris

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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-23 Thread Ankur Arora

On 2017-06-23 10:03 AM, Boris Ostrovsky wrote:



On 06/23/2017 12:54 PM, Olaf Hering wrote:

On Thu, Jun 22, Boris Ostrovsky wrote:


They are queued for 4.13.
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13


This works for me. Thanks.

I assume there is no ready-to-pull variant for linux-4.4.x?
nm.



Not that I am aware of. Unless Ankur backported them to OL which is 
(loosely) based on 4.1.

Sorry, no haven't backported this series at all.

Ankur




-boris

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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-23 Thread Boris Ostrovsky



On 06/23/2017 12:54 PM, Olaf Hering wrote:

On Thu, Jun 22, Boris Ostrovsky wrote:


They are queued for 4.13.
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13


This works for me. Thanks.

I assume there is no ready-to-pull variant for linux-4.4.x?
nm.



Not that I am aware of. Unless Ankur backported them to OL which is 
(loosely) based on 4.1.



-boris

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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-23 Thread Olaf Hering
On Thu, Jun 22, Boris Ostrovsky wrote:

> They are queued for 4.13.
> git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13

This works for me. Thanks.

I assume there is no ready-to-pull variant for linux-4.4.x?
nm.

Olaf


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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-22 Thread Boris Ostrovsky
On 06/22/2017 10:39 AM, Olaf Hering wrote:
> On Thu, Jun 22, Konrad Rzeszutek Wilk wrote:
>
>> On Thu, Jun 22, 2017 at 03:57:52PM +0200, Olaf Hering wrote:
>>> It seems that live migration of HVM domUs with more than 32 vcpus causes
>>> a hang of the domU on the remote side. Both ping and 'xl console' show no
>>> reaction.
>>> This happens also with kernel-4.12. Is this a known bug?
>> Ankur had some patches for more than 32 vCPUs.
> Great, where can I get a copy?


They are queued for 4.13.
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git for-linus-4.13


-boris



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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-22 Thread Olaf Hering
On Thu, Jun 22, Konrad Rzeszutek Wilk wrote:

> On Thu, Jun 22, 2017 at 03:57:52PM +0200, Olaf Hering wrote:
> > It seems that live migration of HVM domUs with more than 32 vcpus causes
> > a hang of the domU on the remote side. Both ping and 'xl console' show no
> > reaction.
> > This happens also with kernel-4.12. Is this a known bug?
> 
> Ankur had some patches for more than 32 vCPUs.

Great, where can I get a copy?

Olaf


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Re: [Xen-devel] live migration of HVM domUs with more than 32vcpus fails

2017-06-22 Thread Konrad Rzeszutek Wilk
On Thu, Jun 22, 2017 at 03:57:52PM +0200, Olaf Hering wrote:
> It seems that live migration of HVM domUs with more than 32 vcpus causes
> a hang of the domU on the remote side. Both ping and 'xl console' show no
> reaction.
> This happens also with kernel-4.12. Is this a known bug?

Ankur had some patches for more than 32 vCPUs.

> 
> Olaf



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