Re: [Xen-devel] [V10 PATCH 0/4] pvh dom0 patches...

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 02.05.14 at 13:05, <roger.pau@xxxxxxxxxx> wrote:
> With the patch applied I can boot fine, no error messages at all. I've
> printed the address that's causing the vioapic_range call, it's
> 0x1073741824, which according to the e820 map passed by Xen falls into a
> region marked as valid memory:
> 
> SMAP type=01 base=0000000000100000 len=000000003ff6e000

If the number in the text above really was represented in hex, it very
clearly is outside the range you show. Assuming it was in fact decimal,
its hex representation being 0x40000000 also makes clear that this is
outside the shown range. But it's also rather strange an address for an
IO-APIC to live at. So in the end I'm only confused.

> The crash happens because FreeBSD scrubs all valid memory at early boot
> when booted with hw.memtest.tests=1.

If with "valid memory" you mean "valid RAM", then clearly the IO-APIC
page(s) shouldn't be touched by this.

Jan


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