Re: [Xen-devel] Xen hypervisor hangs on booting against c/s 16925

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Isn't the memory map below 1MB well known, and no I/O exists down there
except for VGA? Below that is conventional RAM; above that is ROM space.

 -- Keir

On 29/1/08 10:05, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote:

> Don't you think that it would also be reasonable to map all of the RAM
> holes below 1M uncacheable, not just the VGA space? Since early boot
> code can't know this, I added a map_pages_to_xen(...,
> PAGE_HYPERVISOR_NOCACHE) for the below-1Mb case of the code
> that you just fixed.
> 
> Jan
> 
>>>> Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> 29.01.08 10:37 >>>
> Fixed by c/s 16926.
> 
>  -- Keir
> 
> On 29/1/08 05:58, "Li, Haicheng" <haicheng.li@xxxxxxxxx> wrote:
> 
>> Xen hangs on booting with following log printed:
>> 
>> (XEN) Initializing CPU#0
>> (XEN) Detected 2992.574 MHz processor.
>> (XEN) (XEN) (XEN) (XEN) (XEN)
>> 
>> This issue was introduced by c/s 16889.
>> 
>> Here is the bugzilla entry:
>> http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1157
>> 
>> -- haicheng
>> 
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> 
> 
> 
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