graphic: 0.860 device: 0.666 performance: 0.642 peripherals: 0.604 semantic: 0.596 x86: 0.584 ppc: 0.477 network: 0.432 i386: 0.428 risc-v: 0.421 kernel: 0.417 PID: 0.361 arm: 0.333 architecture: 0.312 mistranslation: 0.298 permissions: 0.295 vnc: 0.290 socket: 0.285 debug: 0.245 TCG: 0.244 hypervisor: 0.238 register: 0.200 VMM: 0.181 boot: 0.175 virtual: 0.150 KVM: 0.095 assembly: 0.092 user-level: 0.035 files: 0.033 Can't start a guest with 2 IOAPICs Description of problem: For a host with multiple IOAPICs, I want to start a guest with 2 IOAPICs. I saw this commit about this function: **[x86: add support for second ioapic]**: https://gitlab.com/qemu-project/qemu/-/commit/94c5a606379ddd04beecdb11fb34b51b4b28c7f2 But after I started a guest in a host with multiple IOAPICs, there was still only one IOAPIC in guest. How should I enable this feature? Additional information: Host IOAPICs Info: ``` [ 1.268280] IOAPIC[0]: apic_id 0, version 33, address 0xfec00000, GSI 0-23 [ 1.268286] IOAPIC[1]: apic_id 1, version 33, address 0xfec20000, GSI 24-55 [ 1.268291] IOAPIC[2]: apic_id 2, version 33, address 0xd9000000, GSI 56-87 [ 4.415313] ACPI: Using IOAPIC for interrupt routing ``` Guest IOAPIC Info: ``` [ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.255045] ACPI: Using IOAPIC for interrupt routing ```