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



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
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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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