xen-devel
Re: [Xen-devel] can't boot dom0
On 5 Oct 2005, at 19:32, Chris Bainbridge wrote:
Ah-ha! So it looks like you need CONFIG_X86_UP_IOAPIC or SMP to get it
working.
Bug 1) xen with non apic kernel is broken
Bug 2) compile error with CONFIG_PCI_MSI
Trying to boot an SMP system with a non-APIC domain0 is a recipe for
disaster. We depend an awful lot on domain0 to get interrupt routing
correct. If Xen has booted an SMP system, probed IO-APICs and so on,
domain0 needs to have the same world view.
The 'bug' is really that we don't make it harder for people to shoot
themselves in the foot in their configuration. Possibly forcing the
APIC options is the way to go, or at least indicate that setting them
to N is DANGEROUS.
As for bug 2, it's known. We don't support MSI yet. It's on the cards
after things like some measure of stability and a domU interface
freeze.
-- Keir
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