diff --git a/drivers/acpid/src/acpi.rs b/drivers/acpid/src/acpi.rs
index 931a857f51..f6e24bb3b2 100644
--- a/drivers/acpid/src/acpi.rs
+++ b/drivers/acpid/src/acpi.rs
@@ -286,6 +286,9 @@ impl AmlSymbols {
         for (region, handler) in self.aml_region_handlers.drain(..) {
             interpreter.install_region_handler(region, handler);
         }
+        // _REG opregion connect (ACPICA evrgnini.c): runs once at interpreter
+        // init, before the main loop, so a blocking _REG cannot wedge the scheme.
+        interpreter.connect_op_regions();
         self.aml_context = Some(interpreter);
         Ok(())
     }