id = 2782 title = "WHPX won't enable x86_64v3 level instructions" state = "opened" created_at = "2025-01-17T16:57:44.955Z" closed_at = "n/a" labels = ["accel: WHPX", "target: i386"] url = "https://gitlab.com/qemu-project/qemu/-/issues/2782" host-os = "Windows 11" host-arch = "x86_64" qemu-version = "9.2.0" guest-os = "Fedora 41" guest-arch = "x86_64" description = """x86_64v3 support is not available inside guest""" reproduce = """1. Boot the image 2. Open terminal 3. Run `/lib64/ld-linux-x86-64.so.2 --help` and check which levels are available in the output 4. Or run `/lib64/ld-linux-x86-64.so.2 --list-diagnostics | grep isa` and check `isa_1` value (expected 7 for v3 (3 bits being set))""" additional = """Due to this some Linux distribution, like Centos Stream 10, will not be able to boot with WHPX acceleration enabled."""