device: 0.882 graphic: 0.870 ppc: 0.828 vnc: 0.763 network: 0.676 PID: 0.675 risc-v: 0.630 peripherals: 0.595 VMM: 0.561 performance: 0.559 register: 0.490 boot: 0.444 TCG: 0.416 semantic: 0.416 arm: 0.399 socket: 0.384 kernel: 0.355 debug: 0.332 hypervisor: 0.318 KVM: 0.297 mistranslation: 0.292 files: 0.271 architecture: 0.264 i386: 0.257 permissions: 0.250 x86: 0.155 virtual: 0.094 assembly: 0.083 user-level: 0.050 Guest could not enable pci AtomicOp requests for passthrough device Description of problem: Guest could not enable pci AtomicOp requests for passthrough device. sudo setpci -v -d *:706t 8c.b=40 // enable pci AtomicOp requests bit in the guest os. Host could not see the bit by command "sudo lspci -vvv -s 03:00.0". Steps to reproduce: 1. sudo setpci -v -d *:706t 8c.b=40 // in the guest os 2. sudo lspci -vvv -s 03:00.0 // in the host os Additional information: