Re: [Xen-users] Help with PAE xen kernel install

["Jeff Harr" <jharr@xxxxxxxxxxxxx>]

Thanks Rudi,

xm top shows me that I see about 14g.  From dom0, 'free' shows me about 14g. 
Also dmesg and 'cat /proc/meminfo'.  When I try to start a vm with more than 
about 7G of ram, it errors out saying that the resource is busy.
I'll look into the link you provided as well - thank you very much.

Jeff

----- Original Message ----- 
From: "Rudi Ahlers" <rudiahlers@xxxxxxxxx>
To: "Jeff Harr" <jharr@xxxxxxxxxxxxx>
Cc: "XEN Mailing List" <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Wednesday, December 03, 2008 10:50 AM
Subject: Re: [Xen-users] Help with PAE xen kernel install


> On Wed, Dec 3, 2008 at 5:16 PM, Jeff Harr <jharr@xxxxxxxxxxxxx> wrote:
> > Hi all.  This is my first time using this list, and I could really use 
> > your
> > help.
> >
> > What I have:
> > CentOS 5.2, 32-bit
> > 4 processors, 24 gig ram
> >
> > What I have been unable to do:
> > Find and install a PAE version of the Xen kernel.
> >
> > Before I installed Xen (via Yum) I had a perfectly working PAE kernel 
> > which
> > saw all my memory.  Now, I have the following kernel installed:
> > 2.6.18-92.1.18.el5xen
> >
> > Right now, I really don't want to install by source.
> >
> > Thank you all very much for any help,
> > Jeff
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> If I'm not mistaken, the new XEN kernels have PAE built-in already.
>
> How do you know your memory isn't reporting correctly? How much RAM
> does dmesg, top & xm top show respectively?
>
> I know there was a problem with grub, which needed to be recompiled if
> you added more RAM, or changed the kernel before it would see more
> than 3GB RAM. Maybe this is what you need todo?
>
> I don't know if this bug is still a problem,
>
> Take a look at this:
> http://blog.softdux.com/everything-todo-with-linux/help-centos-51-xen-kernel-doesnt-see-all-the-ram-in-my-pc.html
>
> It might help?
>
>
> --
>
> Kind Regards
> Rudi Ahlers 

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