id = 1071 title = "Cannot passthrough two network devices (Mellanox ConnectX-3) to VM." state = "closed" created_at = "2022-06-10T15:45:58.861Z" closed_at = "2023-05-02T23:02:03.832Z" labels = ["VFIO"] url = "https://gitlab.com/qemu-project/qemu/-/issues/1071" host-os = "(Proxmox 7.2)" host-arch = "(x86)" qemu-version = "(QEMU emulator version 6.2.0 (pve-qemu-kvm_6.2.0)" guest-os = "n/a" guest-arch = "n/a" description = """Cannot passthrough two network devices (Mellanox ConnectX-3) to VM. It generated me an error: [ 6322.674602] genirq: Flags mismatch irq 16. 00000000 (vfio-intx(0000:05:00.0)) vs. 00000000 (vfio-intx(0000:88:00.0)) Passthrough only one device to VM goes well.""" reproduce = """1. Add a first passthrough network device. 2. Add a second passthrough network device. 3. Run VM.""" additional = "n/a"