The content of /sys/module/kvm_amd/parameters/sev may vary depending on the kernel version. Check also for 'Y' and 'y' in addition to '1' to cover several possible variants. The fix is similar to the one introduced in commit 3f9c1a4bb841. Signed-off-by: Vasiliy Ulyanov <vulyanov(a)suse.de&gt; --- src/qemu/qemu_capabilities.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c index 67fae46a34..b864f4d7df 100644 --- a/src/qemu/qemu_capabilities.c +++ b/src/qemu/qemu_capabilities.c @@ -4681,7 +4681,7 @@ virQEMUCapsKVMSupportsSecureGuestAMD(void) if (virFileReadValueString(&modValue, "/sys/module/kvm_amd/parameters/sev") < 0) return false; - if (modValue[0] != '1') + if (modValue[0] != '1' && modValue[0] != 'Y' && modValue[0] != 'y') return false; if (virFileExists(QEMU_DEV_SEV)) -- 2.33.1