diff --git a/dev/bus/pci/bus_mgr/bus_mgr.cpp b/dev/bus/pci/bus_mgr/bus_mgr.cpp
index d64a1aa6..d817c2be 100644
--- a/dev/bus/pci/bus_mgr/bus_mgr.cpp
+++ b/dev/bus/pci/bus_mgr/bus_mgr.cpp
@@ -95,7 +95,8 @@ void add_to_bus_list(bus *b) {
 }
 
 void set_last_bus(uint8_t bus) {
-    DEBUG_ASSERT(bus >= last_bus);
+    LTRACEF("bus %hhu, existing last_bus %hhu\n", bus, last_bus);
+    DEBUG_ASSERT_MSG(bus >= last_bus, "bus %u, last_bus %u\n", bus, last_bus);
 
     last_bus = bus;
 }
diff --git a/dev/bus/pci/pci.cpp b/dev/bus/pci/pci.cpp
index b19b0ea1..6c52ec73 100644
--- a/dev/bus/pci/pci.cpp
+++ b/dev/bus/pci/pci.cpp
@@ -266,7 +266,6 @@ status_t pci_init_legacy() {
     if ((pcib = pci_bios32::detect())) {
         dprintf(INFO, "PCI: pci bios functions installed\n");
         dprintf(INFO, "PCI: last pci bus is %d\n", pcib->get_last_bus());
-        pci_bus_mgr_init();
         return NO_ERROR;
     }
 
@@ -274,7 +273,6 @@ status_t pci_init_legacy() {
     if ((pcib = pci_type1::detect())) {
         dprintf(INFO, "PCI: pci type1 functions installed\n");
         dprintf(INFO, "PCI: last pci bus is %d\n", pcib->get_last_bus());
-        pci_bus_mgr_init();
         return NO_ERROR;
     }