Hi Dom,

Bhyve's ACPI table produces this error linux-side regardless of
"pci=" setting:

[    0.163085] acpi PNP0A03:00: host bridge window
[0xd000000000-0xd0100fffff] (ignored, not CPU addressable)

 That one is most likely a bug in bhyve, where the space used for 64-bit
BAR placement isn't tested against the max physaddr width of the host CPU.

 To confirm, would you be able to report on this value on your system ?

# sudo pkg install cpuid
# cpuid | grep ^80000008
80000008 00003027 00000000 00000000 00000000
This is the output from a Xeon E3-1220 v3: 0x27 == 39 bits of phys
address (0x8000000000 max)

 0xd000000000 requires >= 40 bits.

2. "can't derive routing for PCI INT"

Linux-side dmesg related output:

[    1.677168] nvidia 0000:00:06.0: can't derive routing for PCI INT
A [    1.677600] nvidia 0000:00:06.0: PCI INT A: no GSI
Host-side info (when GTX960 is NOT configured as a pass-thru dev):
cap 05[68] = MSI supports 1 message, 64 bit enabled with 1 message

 The device has an MSI capability, but the nvidia driver may not use it.
bhyve PCI passthrough requires the use of MSI/MSI-x interrupts, and doesn't support using legacy interrupts.

This could be confirmed from the output of /proc/interrupts when booting Linux on the system.



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