[Xen-users] Xen kernel, hypervisor no allocation of dom0_mem pos

To:	xen-users@xxxxxxxxxxxxxxxxxxx
Subject:	[Xen-users] Xen kernel, hypervisor no allocation of dom0_mem possible
From:	"Marcel Smeets" <mpgsmeets@xxxxxxxxx>
Date:	Fri, 26 Oct 2007 11:25:49 +0200
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Hi all,

I'm running OpenSuse 10.2 with

xen-3.0.3_11774-20.gz (symbolic link = xen.gz) and kernel vmlinuz-2.6.18.8-ccj45-xen. Xen is running fine. All my virtual domains (5) are working as they should

My /boot/grub/menu.lst looks like this:

title XEN -- openSUSE 10.2 - 2.6.18.8-ccj45
    root (hd0,1)
    kernel /xen.gz dom0_mem=2048M
    module /vmlinuz-2.6.18.8-ccj45-xen root=/dev/sda5 vga=0x317 resume=/dev/sda1
0 splash=silent showopts
    module /initrd-2.6.18.8-ccj45-xen

I tried changing the dom0_mem to 2048000 (maybe the 2048M was the problem) but the system does not allocate that amount of memory, whatever the value. It gets 3 GB for the dom0 and leaves 1 GB for the domU's (Total 4GB).

Someone any idea what is going on and why I can not seem to change the value of memory for the dom0? Or is there another file or configuration which overrules this boot parameter? Or is the hypervisor version not capable of changing the allocated memory?

Regards,

Marcel

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[Xen-users] Xen kernel, hypervisor no allocation of dom0_mem possible