diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c
index fc447410ae4d17709adc0e1c56aba6ff7e02f633..a448cdf567188ea50f533a2cbfdb4d527c7a2576 100644
--- a/drivers/acpi/acpi_processor.c
+++ b/drivers/acpi/acpi_processor.c
@@ -282,9 +282,13 @@ static int acpi_processor_get_info(struct acpi_device *device)
 	}
 
 	if (acpi_duplicate_processor_id(pr->acpi_id)) {
-		dev_err(&device->dev,
-			"Failed to get unique processor _UID (0x%x)\n",
-			pr->acpi_id);
+		if (pr->acpi_id == 0xff)
+			dev_info_once(&device->dev,
+				"Entry not well-defined, consider updating BIOS\n");
+		else
+			dev_err(&device->dev,
+				"Failed to get unique processor _UID (0x%x)\n",
+				pr->acpi_id);
 		return -ENODEV;
 	}