[Bug 239143] kernel panic on boot due to missing domain ivar on acpi0

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239143

Andriy Gapon <avg at FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |kib at FreeBSD.org

--- Comment #3 from Andriy Gapon <avg at FreeBSD.org> ---
Kostik,
could you please take a look at this?
The problem seems to be that dmar_find() assumes that the device must be on a
pci bus but not all devices that can request an MSI actually are.
ivhd in this case is an "artificial" device on acpi bus.  It is created (via
device_identify) based on a special ACPI table and there is no corresponding
device in the ACPI namespace.

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