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[Xen-users] Re: [Xen-research] Fwd: Error: xc_dom_boot_mem_init: can't a

To: Guofu Xiang <whxgf1984@xxxxxxxxx>
Subject: [Xen-users] Re: [Xen-research] Fwd: Error: xc_dom_boot_mem_init: can't allocate low memory for domain
From: Omer Khalid <Omer.Khalid@xxxxxxx>
Date: Thu, 3 Dec 2009 10:36:40 +0100
Cc: xen-users list <xen-users@xxxxxxxxxxxxxxxxxxx>
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Hi Guofu,

Thanks for your reply. Actually my server have 10GB Ram.

dom0 is runnig with 1GB.

So domU should be able to run with 1GB of RAM (I never had this problem before with my other versions of Xen). I tried to boot it with 512MB but the error is still the same...

Any more ideas???


2009/12/3 Guofu Xiang <whxgf1984@xxxxxxxxx>
The memory for DomU is not enough. You can enlarge Dom0 with 8GB, or decrease DomU with 512MB. 

2009/12/3 Omer Khalid <Omer.Khalid@xxxxxxx>


We have Xen 3.1.2 installed on RHEL5 machine and the dom0 have 1GB RAM where as the available memory available on the server is 8GB.

I am having a problem in starting up a VM with the following configuration:
name = "slc5Test"
ip = "xxx.xxx.xxx.xxx"
hostname = "some.domain.somewhere"
memory = "1024"
disk = ['phy:/dev/VolGroup00/slc4TestRoot,xvda1,w','phy:/dev/VolGroup00/slc4TestSwap,xvda2,w']
root= "/dev/xvda1 ro"
vif = [ '' ]
gateway= "xxx.xxx.1.1"
netmask = ""
on_reboot   = 'restart'
on_crash    = 'restart'
bootloader = '/usr/bin/pygrub'

The error I am getting with "xm create -f config_file" is the following:
Error: (4, 'Out of memory', "xc_dom_boot_mem_init: can't allocate low memory for domain\n")

I looked up in some of the mailing list archives and found that some people had problems but didn't come across how to fix this. 

Any help would be much appreciated.

Many thanks,

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