I wonder if reverting the below helps? commit 571e4310e81312c847a5caee7e45e66aeea2a169 Author: Jiri Slaby <jslaby@suse.cz> AuthorDate: Tue Jul 23 10:31:43 2024 +0200 PCI: Extend ACS configurability (bsc#1228090). Apart from that, there are vfio/pci changes by Vasant.