Re: [Xen-ia64-devel] [PATCH 0/16] make xenheap configurable unpinning xenheap

[Alex Williamson <alex.williamson@xxxxxx>]

On Wed, 2008-01-09 at 20:56 +0900, Isaku Yamahata wrote:
> 
> Could you try again with the attached patch?
> It works with 16, 32, 64, 128, 256 and 512. But dom0 panics with 1024.
> (The test box is tiger2 with 2GB memory.)
> 1GB xenheap requirement seems unlikely (at least for now I think)
> so that I leave it unfixed.

   Yes, that seems to fix it.  Thanks.  I'm also only able to go up to
512 even though the system has quite a lot of RAM.  I hang after this
when trying 1024:

(XEN) vm buffer size: 1048576
(XEN) vm_buffer: 0xf4000000049f0000

I also tried booting an HP cellular system with a NUMA memory config
with these patches.  If I specify xenheap_megabytes=128 I can get it to
boot now.  However, if I turn the "NUMA-ness" dial up too high (making
more of the memory appear local to the node), p2m gets unhappy and I see
"p2m_size != page_size".  Probably an unrelated problem, but just an
FYI.  Thanks,

        Alex

-- 
Alex Williamson                             HP Open Source & Linux Org.


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