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Re: [Xen-users] Xen 3.4.2 hypervisor crash, Cannot access memory beyond end of bootstrap direct-map area, Unknown interrupt

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Keir Fraser wrote:
> On 29/01/2010 02:54, "gabor" <szilagyi@xxxxxxxxxxxx> wrote:
>> Sounds something interesting ... to try...
>> Could you give some pointers as to how to compile the hypervisor as
>> 64-bit???
>> I currently have a 32-bit setup but the hardware (CPU/MB/RAMetc) is
>> 64-bit capable and I could just run 32-bit domUs I wanted to run more
>> than a bare dom0 on the hardware for continutity ....  but I am kind of
>> free to try ANYTHING .... but I need to run stuff in Debian/32-bit ...
>> So can you tell me how to compile a 64-bit xen.gz on my current Debian
>> 32-bit PAE setup??? (the host needs to be up for certain other things
>> although 24/7 is not an issue...)
> Assuming you know how to download and build and install 32-bit Xen, what you
> may be able to do is: cd xen; XEN_TARGET_ARCH=x86_64 make install

Hi Keir,

Appreciate your help ....

I assume you mean export XEN_TARGET_ARCH=x86_64 and then make install
... it seems to generate the same 32bit xen

Tried this but something is not really working installed the mulitlib
package as well.
> It depends if your 32-bit gcc can cross-compile to 64-bit target.
Something is not right on my system (or I lack the skill to figure out

Well, I went with an easier way.... installed Debian 64 bit hypervisor
from testing and that solved the problem ....

So the bug is only shows up with 32bit hypervisor....not with 64....
this is why some people could use GRUB2 (most people I guess goes 64bit
these days...).

Pasi, maybe the above is a good bit for your Wiki pages... would have
saved me almost 2 weeks tinkering (I tried all kinds of things before
asking the question here on the list).

Since this is my very first XEN project, I yet to create a domU :-)

Let me know if the consol output would be any help ... but I guess that
just shows normal boot..


>  -- Keir
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

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| Gabor Szilagyi (Mr.)                    Gabor.Szilagyi@xxxxxxxxxxxx |
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