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RE: [Xen-devel] Re: mapcache broken?

To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Subject: RE: [Xen-devel] Re: mapcache broken?
From: "Yu, Ke" <ke.yu@xxxxxxxxx>
Date: Wed, 11 Jan 2006 22:38:02 +0800
Cc: Xen Mailing List <xen-devel@xxxxxxxxxxxxxxxxxxx>, Leendert Van Doorn <leendert@xxxxxxxxxx>
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Thread-topic: [Xen-devel] Re: mapcache broken?
Keir Fraser wrote:
> On 11 Jan 2006, at 01:54, Yu, Ke wrote:
> 
>> The vmx domain still blocks in my environment. HV complains it can
>> not find E820 table and HVM INFO page. After fixing them with the
>> following patch, HV does not complain any thing. But the vmx domain 
>> just silently blocks. Would you please take a look? Thanks
> 
> I think the problem was that the mapcache is now per-domain, and the
> 32-bit non-pae shadow code was not copying enough per-domain page
> directory entries to a new shadow page directory. So you ended up
> probably accessing the idle domain's mapcache.
> 
> If this is the case, you should have found that VMX worked fine on pae
> and 64b hosts.
> 
> I've now checked in a fix (changeset 8545 "Fix 32-bit shadow
> mode..."). 

This fix works fine. The VMX domain can boot now. Thanks 

> 
>   -- Keir
> 
> 
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