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+id = 743
+title = "aarch64: Number of SMP CPUS exceeds max CPUs supported by machine (10 > 8) for M1 Pro/Max"
+state = "closed"
+created_at = "2021-11-23T01:25:52.101Z"
+closed_at = "2024-04-18T09:08:36.323Z"
+labels = ["accel: HVF", "target: arm"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/743"
+host-os = "macOS Monterey 12.0.1"
+host-arch = "ARM64"
+qemu-version = "6.1.0"
+guest-os = "N/A"
+guest-arch = "ARM64"
+description = """Trying to launch QEMU with more than 8 cores gives the following error:
+
+`qemu-system-aarch64: Number of SMP CPUs requested (10) exceeds max CPUs supported by machine 'mach-virt' (8)`
+
+Apple M1 Pro can have up to 10 cores while M1 Max only has 10 cores."""
+reproduce = """1. Install QEMU via homebrew (or MacPorts or from source)
+2. Run `qemu-system-aarch64 -machine virt,highmem=off -accel hvf -cpu cortex-a72 -smp 10`
+3. Get error, QEMU doesn't start"""
+additional = "n/a"