RE: [Xen-users] PAE in binary distribution for RHEL4.1

["Petersson, Mats" <mats.petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Sven Sternberger
> Sent: 02 January 2006 16:24
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-users] PAE in binary distribution for RHEL4.1
> 
> Hello!
> 
> is the PAE support compiled in the kernel rpm from xensource? 
> If not is there a simple howto build a rhel4/xen kernel from 
> scratch around or any other sources for binary distributions 
> with PAE for RHEL.

I would expect PAE is disabled in the default build... 

You need to have matching Xen and Dom0 kernel (and if you're not running
a VT/SVM processor, also matching DomU). 

In Linux, you need to set CONFIG_HIGHMEM64G=y [found under X86 processor
configuration->High Memory Support if you use user-friendly
configuration tools]. Remember to have ARCH=xen set when using the
configuration tool. 

In Config.mk (in your XEN_ROOT directory), you need to set
XEN_TARGET_X86_PAE=y [or you can do "export XEN_TARGET_X86_PAE=y" before
you start your build, if you prefer]. 

--
Mats
> 
> regards and thanx for help!
> 
> sven
> 
> 
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