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