[Bug 267028] kernel panics when booting with both (zfs,ko or vboxnetflt,ko or acpi_wmi.ko) and amdgpu.ko

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=267028

--- Comment #154 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to George Mitchell from comment #152)

Looked at my ACPI boot warning/error messages and I get just (with a little
context shown from the grep for ACPI lines):

acpi_wmi0: <ACPI-WMI mapping> on acpi0
ACPI: \134AOD.WQBA: 1 arguments were passed to a non-method ACPI object
(Buffer) (20221020/nsarguments-361)
acpi_wmi1: <ACPI-WMI mapping> on acpi0
ACPI: \134GSA1.WQCC: 1 arguments were passed to a non-method ACPI object
(Buffer) (20221020/nsarguments-361)
acpi_wmi2: <ACPI-WMI mapping> on acpi0

But I do not get anything analogous to your reported:

Firmware Warning (ACPI): Optional FADT field Pm2ControlBlock has valid Length
but zero Address: 0x0000000000000000/0x1 (20201113/tbfadt-796)

So that last has some chance of being involved in your context
since I've been unable to reproduce your problems and the message
is unioque to your context. (Only suggestive.)

Any chance that there is an UEFI update available for your machine?

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