diff --git a/spa/include/spa/node/io.h b/spa/include/spa/node/io.h
index cf6b9de4f..d4694adf8 100644
--- a/spa/include/spa/node/io.h
+++ b/spa/include/spa/node/io.h
@@ -83,7 +83,7 @@ struct spa_io_range {
 struct spa_io_clock {
 	uint32_t id;			/**< unique clock id, set by application */
 	uint32_t flags;			/**< clock flags */
-	uint64_t nsec;			/**< time in nanoseconds */
+	uint64_t nsec;			/**< time in nanoseconds against monotonic clock */
 	uint64_t count;			/**< a media specific counter. Can be used to detect
 					  *  gaps in the media. It usually represents the amount
 					  *  of processed media units (packets, frames,
diff --git a/spa/plugins/audioconvert/resample-native.h b/spa/plugins/audioconvert/resample-native.h
index 869b4eec1..5d4f7654c 100644
--- a/spa/plugins/audioconvert/resample-native.h
+++ b/spa/plugins/audioconvert/resample-native.h
@@ -139,7 +139,7 @@ static void impl_native_update_rate(struct resample *r, double rate)
 
 static uint32_t impl_native_in_len(struct resample *r, uint32_t out_len)
 {
-	struct native_data *data = r->data;					\
+	struct native_data *data = r->data;
 	uint32_t in_len;
 
 	in_len = (data->phase + out_len * data->frac) / data->out_rate;
@@ -232,6 +232,8 @@ static void impl_native_process(struct resample *r,
 			for (c = 0; c < r->channels; c++)
 				memmove(history[c], &history[c][in], remain * sizeof(float));
 		}
+		spa_log_trace_fp(r->log, "native %p: in:%d remain:%d", r, in, remain);
+
 	}
 	data->hist = remain;
 	return;
diff --git a/spa/plugins/audioconvert/test-resample.c b/spa/plugins/audioconvert/test-resample.c
index b5464beb8..52c14d973 100644
--- a/spa/plugins/audioconvert/test-resample.c
+++ b/spa/plugins/audioconvert/test-resample.c
@@ -29,8 +29,11 @@
 #include <errno.h>
 #include <time.h>
 
+#include <spa/support/log-impl.h>
 #include <spa/debug/mem.h>
 
+SPA_LOG_IMPL(logger);
+
 #include "resample.h"
 #include "resample-native.h"
 
@@ -65,6 +68,7 @@ static void test_native(void)
 	struct resample r;
 
 	spa_zero(r);
+	r.log = &logger.log;
 	r.channels = 1;
 	r.i_rate = 44100;
 	r.o_rate = 44100;
@@ -73,6 +77,7 @@ static void test_native(void)
 	feed_1(&r);
 
 	spa_zero(r);
+	r.log = &logger.log;
 	r.channels = 1;
 	r.i_rate = 44100;
 	r.o_rate = 48000;
@@ -114,6 +119,7 @@ static void test_in_len(void)
 	struct resample r;
 
 	spa_zero(r);
+	r.log = &logger.log;
 	r.channels = 1;
 	r.i_rate = 32000;
 	r.o_rate = 48000;
@@ -122,6 +128,7 @@ static void test_in_len(void)
 	pull_blocks(&r, 1024);
 
 	spa_zero(r);
+	r.log = &logger.log;
 	r.channels = 1;
 	r.i_rate = 44100;
 	r.o_rate = 48000;
@@ -130,6 +137,7 @@ static void test_in_len(void)
 	pull_blocks(&r, 1024);
 
 	spa_zero(r);
+	r.log = &logger.log;
 	r.channels = 1;
 	r.i_rate = 48000;
 	r.o_rate = 44100;
@@ -140,6 +148,8 @@ static void test_in_len(void)
 
 int main(int argc, char *argv[])
 {
+	logger.log.level = SPA_LOG_LEVEL_TRACE;
+
 	test_native();
 	test_in_len();