Help needed: CPU Performance, USB/GPU Passthrough on Intel Ultra 2 (Arrow Lake)

[weird_pci]

Actually @Bloged seems to have solved the USB issue:

AiStone X6AR57TY aka TongFang X6 16" Intel High-end Performance

Got those two working in a hacky way… created the following patch in qubes-builderv2. From 7e6a40a78bd4048ffe4d6be05c9df69e6d6c8b19 Mon Sep 17 00:00:00 2001 From: Qubes Builder <builder@qubes-os.org> Date: Tue, 16 Dec 2025 10:40:21 +0100 Subject: [PATCH] virpci: Treat Arrow Lake bus 0x80 as root bus for ACS checks Arrow Lake (Intel Core Ultra 200 series) uses bus 0x80 for integrated devices like USB controllers. The complex PCH topology confuses parent device detection, causing 'Failed to find…

I am going to apply the patch written there and report back.