recent changed in vmm lead to panic: AMD, ivhd_setup_intr

[Ka Ho Ng]

On 4/1/21 2:59 am, Oleg Ginzburg wrote:
> Hi,
> 
> Over the past two weeks some changes appeared, which lead to a panic 
> while trying to load the VMM kernel module.
> 
> Kernel and revision with which everything was fine:
> FreeBSD 14.0-CURRENT #0 main-n245511-a771bf748f9: Thu Mar 18 06:35:21 
> UTC 2021
> 
> Latest builds get panic: https://paste.pics/C2FOS <https://paste.pics/C2FOS>
> 
> CPU: AMD Ryzen 7 PRO 3700U w/ Radeon Vega Mobile Gfx (2295.74-MHz 
> K8-class CPU)
> ( Thinkpad t495s )
> 

Could I have your output of pciconf -lc pci0:0:0:2 and other IOMMU 
subclass devices, and also the ACPI ivrs table? You could generate the 
ivrs table dump by /usr/local/bin/acpidump -b, and the table will be 
available as ivrs.dat in the current directory.

Ka Ho