Re: [Xen-devel] xen crash during Dom0 boot

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

>>> On 14.04.11 at 16:44, Christoph Egger <Christoph.Egger@xxxxxxx> wrote:
> On 04/14/11 15:33, Konrad Rzeszutek Wilk wrote:
>>>
>>>
>>> The reason is that guest_walk_tables() in xen/arch/x86/mm/guest_walk.c  
> fakes
>>> l1e entries for 2mb pages but not for 1gb pages.
>>> A workaround is to assign the Dom0 not more than 2 GB RAM  via
>>> the dom0_mem  xen boot parameter.
>>
>> But if you use 4KB pages then the workaround is not neccessary, right?
> 
> Right. Same counts for 2MB pages.

Hmm, are you saying the Dom0 kernel creates these mappings? How
could it do so - the respective feature bit should be clear?

Jan


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