diff --git a/repos/libports/src/app/acpica/os.cc b/repos/libports/src/app/acpica/os.cc
index 0bdf31ab23..29fc72f74a 100644
--- a/repos/libports/src/app/acpica/os.cc
+++ b/repos/libports/src/app/acpica/os.cc
@@ -109,7 +109,10 @@ struct Acpica::Main
 	Genode::Signal_handler<Acpica::Main>          sci_irq;
 	Genode::Constructible<Genode::Irq_connection> sci_conn;
 
-	Acpica::Reportstate * report = nullptr;
+	Acpica::Reportstate * report { nullptr };
+
+	unsigned unchanged_state_count { 0 };
+	unsigned unchanged_state_max;
 
 	static struct Irq_handler {
 		UINT32 irq;
@@ -122,7 +125,8 @@ struct Acpica::Main
 	Main(Genode::Env &env)
 	:
 		env(env),
-		sci_irq(env.ep(), *this, &Main::acpi_irq)
+		sci_irq(env.ep(), *this, &Main::acpi_irq),
+		unchanged_state_max(config.xml().attribute_value("update_unchanged", 20U))
 	{
 		bool const enable_reset    = config.xml().attribute_value("reset", false);
 		bool const enable_poweroff = config.xml().attribute_value("poweroff", false);
@@ -177,8 +181,24 @@ struct Acpica::Main
 
 		AcpiOsWaitEventsComplete();
 
-		if (report)
-			report->generate_report();
+		if (report) {
+			bool const changed = report->generate_report();
+
+			if (unchanged_state_max) {
+				if (changed)
+					unchanged_state_count = 0;
+				else
+					unchanged_state_count ++;
+
+				if (unchanged_state_count >= unchanged_state_max) {
+					Genode::log("generate report because of ",
+					            unchanged_state_count, " irqs without state "
+					            "changes");
+					report->generate_report(true);
+					unchanged_state_count = 0;
+				}
+			}
+		}
 
 		if (res == ACPI_INTERRUPT_HANDLED)
 			return;
diff --git a/repos/libports/src/app/acpica/reporter.h b/repos/libports/src/app/acpica/reporter.h
index ac5e886c25..3506ef4136 100644
--- a/repos/libports/src/app/acpica/reporter.h
+++ b/repos/libports/src/app/acpica/reporter.h
@@ -71,9 +71,12 @@ class Acpica::Reportstate {
 		void lid_event()     { _changed_lid   = true; }
 		void ac_event()      { _changed_ac    = true; battery_event(); }
 
-		void generate_report()
+		bool generate_report(bool force = false)
 		{
-			if (_changed_lid) {
+			bool const changed = _changed_sb  || _changed_ec ||
+			                     _changed_fixed || _changed_lid || _changed_ac;
+
+			if (_changed_lid || force) {
 				_changed_lid = false;
 				if (_lid)
 					Genode::Reporter::Xml_generator xml(_reporter_lid, [&] () {
@@ -81,7 +84,7 @@ class Acpica::Reportstate {
 					});
 			}
 
-			if (_changed_ac) {
+			if (_changed_ac || force) {
 				_changed_ac = false;
 				Genode::Reporter::Xml_generator xml(_reporter_ac, [&] () {
 					for (Callback<Ac> * ac = _list_ac.first(); ac; ac = ac->next())
@@ -89,7 +92,7 @@ class Acpica::Reportstate {
 				});
 			}
 
-			if (_changed_ec) {
+			if (_changed_ec || force) {
 				_changed_ec = false;
 				Genode::Reporter::Xml_generator xml(_reporter_ec, [&] () {
 					for (Callback<Ec> * ec = _list_ec.first(); ec; ec = ec->next())
@@ -97,7 +100,7 @@ class Acpica::Reportstate {
 				});
 			}
 
-			if (_changed_sb) {
+			if (_changed_sb || force) {
 				_changed_sb = false;
 				Genode::Reporter::Xml_generator xml(_reporter_sb, [&] () {
 					for (Callback<Battery> * sb = _list_sb.first(); sb; sb = sb->next())
@@ -105,12 +108,14 @@ class Acpica::Reportstate {
 				});
 			}
 
-			if (_changed_fixed) {
+			if (_changed_fixed || force) {
 				_changed_fixed = false;
 				if (_fixed)
 					Genode::Reporter::Xml_generator xml(_reporter_fix, [&] () {
 						_fixed->generate(xml);
 					});
 			}
+
+			return changed;
 		}
 };