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xen-unstable: HVM start memory_map:add memory_map:remove cycle
linux at eikelenboom
Oct 10, 2012, 9:02 AM
Post #1 of 3 (277 views)
Permalink
Hi Ian,

When i start a HVM guest i get this cycle of adding removing adding removing and finally adding ... for some memory ranges during the start of the guest.
I don't know if it's intentionally, but it seems kind of strange .. :

(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
(XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1


xl dmesg attached

--

Sander

Attached Files:

Re: xen-unstable: HVM start memory_map:add memory_map:remove cycle [ In reply to ]
Ian.Campbell at citrix
Oct 10, 2012, 9:43 AM
Post #2 of 3 (272 views)
Permalink
On Wed, 2012-10-10 at 17:02 +0100, Sander Eikelenboom wrote:
> Hi Ian,

Why me specifically? Do you think this relates to something I've
committed recently or...?
>
> When i start a HVM guest i get this cycle of adding removing adding
> removing and finally adding ... for some memory ranges during the
> start of the guest.
> I don't know if it's intentionally, but it seems kind of strange .. :

Can you identify the changeset where it started?

>
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>
>
> xl dmesg attached
>
> --
>
> Sander



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Re: xen-unstable: HVM start memory_map:add memory_map:remove cycle [ In reply to ]
linux at eikelenboom
Oct 11, 2012, 1:30 AM
Post #3 of 3 (270 views)
Permalink
Wednesday, October 10, 2012, 6:43:44 PM, you wrote:

> On Wed, 2012-10-10 at 17:02 +0100, Sander Eikelenboom wrote:
>> Hi Ian,

> Why me specifically? Do you think this relates to something I've
> committed recently or...?

Nope, sorry just my favorite scapegoat i guess ;-)

>>
>> When i start a HVM guest i get this cycle of adding removing adding
>> removing and finally adding ... for some memory ranges during the
>> start of the guest.
>> I don't know if it's intentionally, but it seems kind of strange .. :

> Can you identify the changeset where it started?

Not yet, will see if i can.


>>
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:remove: dom16 gfn=f3028 mfn=f9fff nr=1
>> (XEN) [2012-10-10 15:17:54] memory_map:add: dom16 gfn=f3028 mfn=f9fff nr=1
>>
>>
>> xl dmesg attached
>>
>> --
>>
>> Sander





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