WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

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

To: "Ke, Liping" <liping.ke@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH 0/4] HVM Virtual S3 --- Revised and resent
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Mon, 26 May 2008 08:48:48 +0100
Delivery-date: Mon, 26 May 2008 00:48:54 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <391BF3CDD2DC0848B40ACB72FA97AD59036A82AC@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Aci6Rwan30LCwMVNRjCgsXSrb2rzYwAOb9TQAAFWQHAAAIxGwAAAHx6dAACz6YAAAGA27AAfNwegAG4iWxMAi2IGYAAEQNRaAADEEWAAADQJyA==
Thread-topic: [Xen-devel] [PATCH 0/4] HVM Virtual S3 --- Revised and resent
User-agent: Microsoft-Entourage/11.4.0.080122
Hopefully it is fixed by c/s 17730. I did not see this with a Fedora kernel,
perhaps because I tested a single-processor guest and perhaps that VCPU was
dropped into real mode before triggering S3. I'm not sure. Anyhow S3
definitely didn't work properly so I suspect there are still one or two bugs
which some wider testing coverage would pick out.

 -- Keir

On 26/5/08 08:45, "Ke, Liping" <liping.ke@xxxxxxxxx> wrote:

> 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
> 
> 



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel