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Re: [Xen-devel] RAMDISK-Boot: Not enough RAM for domain 0 allocation.

To: "viets@xxxxxxx" <viets@xxxxxxx>
Subject: Re: [Xen-devel] RAMDISK-Boot: Not enough RAM for domain 0 allocation.
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Tue, 07 Oct 2008 09:14:44 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
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Thread-topic: [Xen-devel] RAMDISK-Boot: Not enough RAM for domain 0 allocation.
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Xen wants to allocate smallest power-of-two sized memory block which will
fit both kernel and initrd. This will be 2GB on your system, and there is no
such 2GB aligned block. Either this restriction of the domain builder needs
to be lifted (a bit of a pain and not really on anyone's todo list), or you
could just reduce your initrd size by 100MB and cross your fingers -- it's
likely that Xen will be able to find an aligned 1GB memory block.

 -- Keir

On 7/10/08 09:08, "viets@xxxxxxx" <viets@xxxxxxx> wrote:

> Hello,
> 
> the image has a size of 1048576 kilobytes uncompressed.
> 
> greetings
> Torben
> 
> Keir Fraser wrote:
>> On 7/10/08 08:37, "viets@xxxxxxx" <viets@xxxxxxx> wrote:
>> 
>>> Hello,
>>> I'm trying to boot xen-3.3 from network with linux on a ramdisk, but
>>> this fails with the output below:
>>> 
>>> this are my boot-settings:
>>> 
>>> default xen-linux
>>> prompt 1
>>> timeout 10
>>> 
>>> label xen-linux
>>>   kernel mboot.c32
>>>   append xen-3.3.0.gz noreboot dom0_mem=2097152 console=com2
>>> com2=115200,8n1 --- vmlinuz-2.6.18.8-xen0 root=/dev/ram
>>> ramdisk_size=1048576 console=tty0 console=ttyS1,115200 --- jobserver.img.gz
>>> 
>> 
>> How big is the ramdisk image, uncompressed?
>> 
>>  -- Keir
>> 
>> 
>> 
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxxxxxxxx
>> http://lists.xensource.com/xen-devel
>> 
> 



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