Re: [Xen-ia64-devel] RE: VTI will crash with memory=3073M

[Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>]

Zhang, Jingke wrote:
> Akio Takebe wrote:
> > Zhang, Jingke wrote:
> > > Tristan Gingold wrote:
> > > > On Tue, Sep 02, 2008 at 11:43:58AM +0800, Zhang, Jingke wrote:
> > > > > Hi Tristan,
> > > > >     We found VTI guest with 3073M (memory is a little more than 3G)
> > > > >     can not be booted up. After some investigation, our engineer
> > > > > found some pages are ruined by unknow reason.  A EFI driver was
> > > > > loaded to 4G+, and its initilization code used the ruined pages, so
> > > > > bug out. I used latest openGFW binary (xenia64-gfw-126.bin). This
> > > > > issue is very easy to reproduce. Could you please help to look at
> > > > > it? Thank you very much!
> > > > Hi,
> > > >
> > > > Can you explain what do you mean by 'ruined' ?
> > > >
> > > > Tristan.
> > > Hi Tristan,
> > >     We found some code pages are polluted by an EFI driver
> > > (currently, we did not locate which driver), and leads to the issue.
> > > Thanks!
> > I guess the same problem.
> > http://lists.xensource.com/archives/html/xen-ia64-devel/2008-07/msg00200.html
> Yes, it should be the issue. Have any idea to the root cause? Thank you very 
> much!
I don't know the detail.
Kuwamura checked the memory area that we cannot boot hvm a guest.

He tested from 3073MB to 3299MB, the results are below:
  FAIL: 3073-3077, 3079-3094, 3098MB
  PASS: 3078, 3095-3097, 3099-3299MB

He said we would avoid this problem if we don't specify 3073-3098MB.

Best Regards,

Akio Takebe

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