diff --git a/repos/base-linux/src/lib/base/region_map_mmap.cc b/repos/base-linux/src/lib/base/region_map_mmap.cc
index 01946e4204..46b34ae66b 100644
--- a/repos/base-linux/src/lib/base/region_map_mmap.cc
+++ b/repos/base-linux/src/lib/base/region_map_mmap.cc
@@ -172,6 +172,24 @@ void Region_map_mmap::_add_to_rmap(Region const &region)
 }
 
 
+/*
+ * Tracing must be inhibited in attach/detach as RPC trace points may trigger
+ * attachment of trace dataspaces, which would result in nested mutex
+ * acquisition.
+ */
+
+namespace Genode { extern bool inhibit_tracing; }
+
+struct Inhibit_tracing_guard
+{
+	bool old_value = inhibit_tracing;
+
+	Inhibit_tracing_guard() { inhibit_tracing = true; }
+
+	~Inhibit_tracing_guard() { inhibit_tracing = old_value; }
+};
+
+
 Region_map::Local_addr Region_map_mmap::attach(Dataspace_capability ds,
                                                size_t size, off_t offset,
                                                bool use_local_addr,
@@ -180,6 +198,8 @@ Region_map::Local_addr Region_map_mmap::attach(Dataspace_capability ds,
 {
 	Mutex::Guard mutex_guard(mutex());
 
+	Inhibit_tracing_guard it_guard { };
+
 	/* only support attach_at for sub RM sessions */
 	if (_sub_rm && !use_local_addr) {
 		error("Region_map_mmap::attach: attaching w/o local addr not supported");
@@ -325,6 +345,8 @@ void Region_map_mmap::detach(Region_map::Local_addr local_addr)
 {
 	Mutex::Guard mutex_guard(mutex());
 
+	Inhibit_tracing_guard it_guard { };
+
 	/*
 	 * Cases
 	 *