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+id = 2713
+title = "Addressing Limitations with 64GB RAM on virt-9.2 Machine Type in QEMU 9.1.93"
+state = "opened"
+created_at = "2024-12-09T13:56:57.931Z"
+closed_at = "n/a"
+labels = ["accel: HVF", "host: aarch64", "hostos: macOS", "target: arm", "workflow::Needs Info"]
+url = "https://gitlab.com/qemu-project/qemu/-/issues/2713"
+host-os = "macOS (M2 MacBook, arm64)"
+host-arch = "ARM64"
+qemu-version = "QEMU emulator version 9.1.93 (compiled by me from master)"
+guest-os = "Windows 11"
+guest-arch = "ARM64"
+description = """When attempting to run a VM with 64GB of RAM using the `virt-9.2` machine type, QEMU encounters an error related to addressing limitations. It appears that the memory configuration exceeds the 32-bit addressing limit.
+
+Error output:
+**qemu-system-aarch64: Addressing limited to 32 bits, but memory exceeds it by 65498251264 bytes**"""
+reproduce = """1. Build QEMU from source on macOS (M2 MacBook, arm64).
+2. Run the command with the `virt-9.2` machine type and 64GB of RAM."""
+additional = """- Changes in [UTM app](https://github.com/utmapp/UTM/releases) for release v4.6.2 - (macOS) Support > 32GiB RAM configurations in QEMU ([#5537](https://github.com/utmapp/UTM/issues/5537))
+- Although the site advertises release of qemu-9.2.0-rc3, the brew install doesn't install the latest version yet.
+- The QEMU build environment includes dependencies installed via Homebrew: libffi, gettext, glib, pkg-config, pixman, ninja, meson, sdl2, gtk+3, gnu-tar."""