[Xen-users] IO-APIC Error on Xen 4.12 with Surface Laptop 3 (Intel) - Likely ACPI Issues

[Dylanger Daly <dylanger@xxxxxxxxxxxxx>]

Hello,

I'm getting the following error when booting Xen 4.12 (Qubes OS)

I'm running a Surface Laptop 3 Business Edition (i7-1065G7)

I believe this issue has something to do with the ACPI Tables for APIC.

IO-APIC + timer doesn't work! Boot with apic_verbosity=debug and send a report. Then try booting with the 'noapic' option

Added Logging:

Enabling IO-APIC IRQs
...
MP-BIOS bug: 8254 timer not connected to IO-APIC
... trying to set up timer (IRQ0) through the 8259A ... failed.
... trying to set up timer as Virtual Wire IRQ ... failed.
... trying to set up timer as ExtINT IRQ...spurious 8259A interrupt: IRQ7.
CPU0: No irq handler for vector e7 (IRQ -8)

Adding noapic results in Xen booting however the device resets, I assume the APIC is required to setup IOMMU.

I'm not sure where to start looking, I can post my ACPI Tables if that would help.

If anyone can point me in the right direction any help would be appreciated.

Apologies if I'm posting in the wrong area.

 Cheers!

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