[Bug 207489] Kernel panic due to Lazy update IOAPIC EOI on an x86_64 *host*, when two (or more) PCI devices from different IOMMU groups are passed to Windows 10 guest, upon guest boot into Windows, with more than 4 VCPUs

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https://bugzilla.kernel.org/show_bug.cgi?id=207489

Suravee Suthikulpanit (suravee.suthikulpanit@xxxxxxx) changed:

           What    |Removed                     |Added
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                 CC|                            |suravee.suthikulpanit@amd.c
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--- Comment #7 from Suravee Suthikulpanit (suravee.suthikulpanit@xxxxxxx) ---
Created attachment 288859
  --> https://bugzilla.kernel.org/attachment.cgi?id=288859&action=edit
[PATCH v2] kvm: ioapic: Introduce arch-specific check for lazy update EOI
mechanism

Could you please give this patch a try?

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