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xen-devel
Re: [Xen-devel] Not enough RAM for domain 0 allocation.
Are you using 64-bit Xen? In that case we can fix this probably quite easily. For 32-bit Xen it is harder.
-- Keir
On 12/8/08 20:37, "Luca" <lucarx76@xxxxxxxxx> wrote:
Hi all,
I have been trying to use Xen with a diskless workstation.
My system has 3G of RAM. I have built a ramdisk (whose size is 450M) and I'm trying to load everything in memory (Xen,Dom0 and the ramdisk).
In the file arch/x86/domain_build.c the function alloc_domheap_pages
is invoked page=alloc_domheap_pages(d,order,MEMF_bit(30); // in my case order =17
This function returns a NULL pointer, which generates the error "Not enough RAM for domain 0 allocation"
It seems that if the total size of hypervisor+dom0+ramdisk is less than 256M everything works, if it is bigger than that I got that problem.
Is there anything I have to set? I have tried playing with dom0_mem but nothing worked.
Any hint on how to proceed would really help me a lot.
Thanks,
Luca
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