diff --git a/src/libratbag-data.c b/src/libratbag-data.c
index a8adeb08..825abd3d 100644
--- a/src/libratbag-data.c
+++ b/src/libratbag-data.c
@@ -470,6 +470,7 @@ ratbag_device_data_new_for_id(struct ratbag *ratbag, const struct input_id *id)
 	datadir = getenv("LIBRATBAG_DATA_DIR");
 	if (!datadir)
 		datadir = LIBRATBAG_DATA_DIR;
+	log_debug(ratbag, "Using data directory '%s'\n", datadir);
 
 	snprintf(devicedir, sizeof(devicedir), "%s/devices", datadir);
 
@@ -492,6 +493,9 @@ ratbag_device_data_new_for_id(struct ratbag *ratbag, const struct input_id *id)
 			goto out;
 	}
 
+	if (!data)
+		log_debug(ratbag, "No data file found for %04x:%04x\n", id->vendor, id->product);
+
 out:
 	while(nfiles--)
 		free(files[nfiles]);
diff --git a/src/libratbag-hidraw.c b/src/libratbag-hidraw.c
index f7766d95..b0ae0b90 100644
--- a/src/libratbag-hidraw.c
+++ b/src/libratbag-hidraw.c
@@ -1260,7 +1260,7 @@ ratbag_hidraw_parse_report_descriptor(struct ratbag_device *device)
 		switch (hid) {
 		case HID_REPORT_ID:
 			if (hidraw->reports) {
-				log_debug(device->ratbag, "report ID %02x\n", content);
+				log_debug(device->ratbag, "HID report ID %02x\n", content);
 				hidraw->reports[hidraw->num_reports].report_id = content;
 				hidraw->reports[hidraw->num_reports].usage_page = usage_page;
 				hidraw->reports[hidraw->num_reports].usage = usage;
@@ -1328,6 +1328,10 @@ ratbag_open_hidraw_node(struct ratbag_device *device, struct udev_device *hidraw
 		goto err;
 	}
 
+	log_debug(device->ratbag,
+		  "hidraw info: bus %#04x vendor %#04x product %#04x\n",
+		  info.bustype, info.vendor, info.product);
+
 	/* check basic matching between the hidraw node and the ratbag device */
 	if (info.bustype != device->ids.bustype ||
 	    (info.vendor & 0xFFFF )!= device->ids.vendor ||
diff --git a/src/libratbag.c b/src/libratbag.c
index a82837be..cfd22b9b 100644
--- a/src/libratbag.c
+++ b/src/libratbag.c
@@ -395,10 +395,12 @@ ratbag_assign_driver(struct ratbag_device *device,
 	if (!test_device) {
 		driver_name = ratbag_device_data_get_driver(device->data);
 	} else {
+		log_debug(device->ratbag, "This is a test device\n");
 		driver_name = "test_driver";
 	}
 
 	if (driver_name) {
+		log_debug(device->ratbag, "device assigned driver %s\n", driver_name);
 		rc = ratbag_test_driver(device, dev_id, driver_name, test_device);
 	} else {
 		rc = ratbag_driver_fallback_logitech(device, dev_id);
@@ -456,6 +458,8 @@ ratbag_device_new_from_udev_device(struct ratbag *ratbag,
 	if ((name = get_device_name(udev_device)) == 0)
 		goto out_err;
 
+	log_debug(ratbag, "New device: %s\n", name);
+
 	device = ratbag_device_new(ratbag, udev_device, name, &id);
 	if (!device || !device->data)
 		goto out_err;