RE: [Xen-devel] [PATCH 0/4] HVM Virtual S3 --- Revised and resent

["Ke, Liping" <liping.ke@xxxxxxxxx>]

Hi, Keir

Yes, actually by case 4, I found the problem. Because vtd-assigned guest
will first check whether the pci device is available first.
I did not verify it on 32bit guest yet.

Regards,
Criping
-----Original Message-----
From: Keir Fraser [mailto:keir.fraser@xxxxxxxxxxxxx] 
Sent: 2008?5?26? 15:21
To: Ke, Liping; xen-devel@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-devel] [PATCH 0/4] HVM Virtual S3 --- Revised and resent

On 26/5/08 07:11, "Ke, Liping" <liping.ke@xxxxxxxxx> wrote:

> 4) fc8_32e, vtd nic assigned. It works fine. Yet found still find below
> problem
>     domain_destroy is not completed, so vtd-resources are not freed totally.
> So when
>     you destroy this domain and recreate the domain process will fail.
> 
> Also verified with even have update_paging_modes, cr3 missing
> domain_page error problem still exists. I remember I tracked the problem
> before,
> When update_page_mode, if we changed cr3, it will put_page(old cr3 page) and
> Get_page(new cr3 page), so it will keep balance. But for this s3 case,
> since when sleep down it is in protected mode, when back it begins from real
> mode, so 
> the cr3 used in protected mode is never put?

Do you see this only in case 4 (64-bit guest with VT-d assignment)?

 -- Keir



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