Bug#603632: [Xen-devel] PVops domain 0 crash on NUMA system only Node==1 present (Was: Re: Bug#603632: linux-image-2.6.32-5-xen-amd64: Linux kernel 2.6.32/xen/amd64 booting fine on bare metal, but not as dom0 with Xen 4.0.1 (Dell R410))
On Fri, 2010-12-03 at 08:52 +0000, Ian Campbell wrote:
> On Fri, 2010-12-03 at 00:12 +0000, Jeremy Fitzhardinge wrote:
> > What about "numa=fake=1"? I think that should force it to create a
> > single NUMA node.
>
> Is there any advantage to this vs numa=noacpi? Do they effectively end
> up doing the same thing?
The help text for CONFIG_NUMA_EMU (which enables numa=fake=N) says:
Enable NUMA emulation. A flat machine will be split
into virtual nodes when booted with "numa=fake=N", where N is
the
number of nodes. This is only useful for debugging.
I don't think this is the option we want.
Ian.
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