Xen 4.9 RC4 test result

Xen 4.9 RC4 test result

[Hao, Xudong]

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We performed Xen 4.9 RC4 testing on Intel Xeon Skylake, Broadwell, Haswell server platforms, verified many functional features on Xen 4.9. We'd like to share the result out.

Most of features passed to testing on Xen 4.9 RC4, RAS and nested has some bugs.

RAS:

1.      xen-mceinj tool testing cause dom0 crash https://www.mail-archive.com/xen-devel@lists.xen.org/msg108671.html

2.      CPU online/offline fail, Luwei is fixing it: https://www.mail-archive.com/xen-devel@lists.xen.org/msg108660.html

Nested:
Nested is worse although we know it's an experimental feature. Only Xen on Xen works, others hybrid such as KVM on Xen, hyperV on Xen, VMware on Xen all fail.
The status is same as Xen 4.8 rc2. https://wiki.xenproject.org/wiki/Nested_Virtualization_in_Xen

Live migration:
Repeated live migration for VM failed https://www.mail-archive.com/xen-devel@lists.xen.org/msg108665.html


Features

Test Result

AVX512

Pass

Protection keys

Pass

Altp2m

Pass

RDT(CMT, CAT, CDP, MBM)

Pass

VT-d PI

Pass

XSAVES

Pass

MPX

Pass

PML (Page-modification Logging)

Pass

Nested

Buggy

VT-d/SR-IOV

Pass

RAS

Buggy

ACPI

Pass



Best Regards,
Xudong


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Re: Xen 4.9 RC4 test result

[Julien Grall]

Hello Xudong,

On 23/05/2017 03:56, Hao, Xudong wrote:
> We performed Xen 4.9 RC4 testing on Intel Xeon Skylake, Broadwell,
> Haswell server platforms, verified many functional features on Xen 4.9.
> We’d like to share the result out.

Thank you for the testing.

>
>
>
> Most of features passed to testing on Xen 4.9 RC4, RAS and nested has
> some bugs.
>
>
>
> RAS:
>
> 1.      xen-mceinj tool testing cause dom0 crash
> https://www.mail-archive.com/xen-devel@lists.xen.org/msg108671.html
>
> 2.      CPU online/offline fail, Luwei is fixing it:
> https://www.mail-archive.com/xen-devel@lists.xen.org/msg108660.html

I would recommend to tag the patch with for-4.9 + CC me if this is a 
regression and you would like the patch to be included in the next release.

>
>
>
> Nested:
>
> Nested is worse although we know it’s an experimental feature. Only Xen
> on Xen works, others hybrid such as KVM on Xen, hyperV on Xen, VMware on
> Xen all fail.
>
> The status is same as Xen 4.8 rc2.
> https://wiki.xenproject.org/wiki/Nested_Virtualization_in_Xen

Would it be possible to update the wiki with Xen 4.9 rc4?

Cheers,

-- 
Julien Grall

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Re: Xen 4.9 RC4 test result

[Hao, Xudong]

Hi, Julien


> -----Original Message-----
> From: Julien Grall [mailto:julien.grall@arm.com]
> Sent: Thursday, May 25, 2017 3:40 PM
> To: Hao, Xudong <xudong.hao@intel.com>; xen-devel@lists.xen.org
> Cc: nd@arm.com; Lars Kurth <lars.kurth@citrix.com>; George Dunlap
> <George.Dunlap@citrix.com>; Kang, Luwei <luwei.kang@intel.com>
> Subject: Re: Xen 4.9 RC4 test result
> 
> Hello Xudong,
> 
> On 23/05/2017 03:56, Hao, Xudong wrote:
> > We performed Xen 4.9 RC4 testing on Intel Xeon Skylake, Broadwell,
> > Haswell server platforms, verified many functional features on Xen 4.9.
> > We'd like to share the result out.
> 
> Thank you for the testing.
> 
> >
> >
> >
> > Most of features passed to testing on Xen 4.9 RC4, RAS and nested has
> > some bugs.
> >
> >
> >
> > RAS:
> >
> > 1.      xen-mceinj tool testing cause dom0 crash
> > https://www.mail-archive.com/xen-devel@lists.xen.org/msg108671.html
> >
> > 2.      CPU online/offline fail, Luwei is fixing it:
> > https://www.mail-archive.com/xen-devel@lists.xen.org/msg108660.html
> 
> I would recommend to tag the patch with for-4.9 + CC me if this is a regression
> and you would like the patch to be included in the next release.
> 

It's a regression from Xen 4.8 to Xen 4.9. Yes, I'd like the patch be merged in next release.
The patch author Luwei already sent out v4, is it fine to reply the patch with "[PATCH v4 for-4.9]" ?

> >
> >
> >
> > Nested:
> >
> > Nested is worse although we know it's an experimental feature. Only
> > Xen on Xen works, others hybrid such as KVM on Xen, hyperV on Xen,
> > VMware on Xen all fail.
> >
> > The status is same as Xen 4.8 rc2.
> > https://wiki.xenproject.org/wiki/Nested_Virtualization_in_Xen
> 
> Would it be possible to update the wiki with Xen 4.9 rc4?
> 

We will, mostly maybe for next release or the 4.9 final release version if we have update data.


Thanks,
-Xudong

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Re: Xen 4.9 RC4 test result

[Julien Grall]

On 25/05/17 09:01, Hao, Xudong wrote:
>> -----Original Message-----
>> From: Julien Grall [mailto:julien.grall@arm.com]
>> Sent: Thursday, May 25, 2017 3:40 PM
>> To: Hao, Xudong <xudong.hao@intel.com>; xen-devel@lists.xen.org
>> Cc: nd@arm.com; Lars Kurth <lars.kurth@citrix.com>; George Dunlap
>> <George.Dunlap@citrix.com>; Kang, Luwei <luwei.kang@intel.com>
>> Subject: Re: Xen 4.9 RC4 test result
>>
>> Hello Xudong,
>>
>> On 23/05/2017 03:56, Hao, Xudong wrote:
>>> We performed Xen 4.9 RC4 testing on Intel Xeon Skylake, Broadwell,
>>> Haswell server platforms, verified many functional features on Xen 4.9.
>>> We'd like to share the result out.
>>
>> Thank you for the testing.
>>
>>>
>>>
>>>
>>> Most of features passed to testing on Xen 4.9 RC4, RAS and nested has
>>> some bugs.
>>>
>>>
>>>
>>> RAS:
>>>
>>> 1.      xen-mceinj tool testing cause dom0 crash
>>> https://www.mail-archive.com/xen-devel@lists.xen.org/msg108671.html
>>>
>>> 2.      CPU online/offline fail, Luwei is fixing it:
>>> https://www.mail-archive.com/xen-devel@lists.xen.org/msg108660.html
>>
>> I would recommend to tag the patch with for-4.9 + CC me if this is a regression
>> and you would like the patch to be included in the next release.
>>
>
> It's a regression from Xen 4.8 to Xen 4.9. Yes, I'd like the patch be merged in next release.
> The patch author Luwei already sent out v4, is it fine to reply the patch with "[PATCH v4 for-4.9]" ?

I would also mention it in the e-mail explaining why you want it for Xen 
4.9.

Cheers,

-- 
Julien Grall

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