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Re: [Xen-users] domU's colliding

from [James Pifer]

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Subject:	Re: [Xen-users] domU's colliding
From:	James Pifer <jep@xxxxxxxxxxxxxxxx>
Date:	Thu, 09 Oct 2008 07:22:14 -0400
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On Thu, 2008-10-09 at 02:16 +0200, Stephan Seitz wrote:
> As a first guess, I'ld check free memory in dom0. If some of your domUs
> are HVM, the qemu-dm's might eat up all of your dom0 memory. Maybe the
> OOM_Killer is kicking lights out?
> 
> 

Interesting. Looking at the memory in 'top' it shows:
Mem:    368896k total,   362792k used,     6104k free,      860k buffers

But my dom0 should have more RAM than that. Here's the startup from
menu.lst:

###Don't change this comment - YaST2 identifier: Original name: xen###
title XEN
    root (hd0,1)
    kernel /boot/xen.gz dom0_mem=2048M
    module /boot/vmlinuz-2.6.16.46-0.12-xen 
root=/dev/disk/by-id/scsi-200d0b29d2d004400-part2 vga=0x317    resume=/dev/sda1 
splash=silent showopts
    module /boot/initrd-2.6.16.46-0.12-xen

When I look at virt-manager it says it's using 360.25 MB RAM.My other
xen server is using a lot more RAM, about 2GB. 

Does dom0_mem=2048M just set a max for dom0 but not necessarily mean it
will use all of it?

Thanks,
James

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