diff --git a/ptxdist/configs/ecu01/patches/linux-3.10.108/series b/ptxdist/configs/ecu01/patches/linux-3.10.108/series
index c27bc22..08e033f 100644
--- a/ptxdist/configs/ecu01/patches/linux-3.10.108/series
+++ b/ptxdist/configs/ecu01/patches/linux-3.10.108/series
@@ -24,3 +24,4 @@
 0024-0022-Changing-MXC-Timer-Source-to-GPT3.patch
 0025-sync-ro-remount-after-blocking-writers.patch
 patch-3.10.108-rt123.patch
+spi_print_tid_debug.patch
diff --git a/ptxdist/configs/ecu01/patches/linux-3.10.108/series.ecu01 b/ptxdist/configs/ecu01/patches/linux-3.10.108/series.ecu01
index c27bc22..08e033f 100644
--- a/ptxdist/configs/ecu01/patches/linux-3.10.108/series.ecu01
+++ b/ptxdist/configs/ecu01/patches/linux-3.10.108/series.ecu01
@@ -24,3 +24,4 @@
 0024-0022-Changing-MXC-Timer-Source-to-GPT3.patch
 0025-sync-ro-remount-after-blocking-writers.patch
 patch-3.10.108-rt123.patch
+spi_print_tid_debug.patch
diff --git a/ptxdist/configs/ecu01/patches/linux-3.10.108/spi_print_tid_debug.patch b/ptxdist/configs/ecu01/patches/linux-3.10.108/spi_print_tid_debug.patch
new file mode 100644
index 0000000..7602b65
--- /dev/null
+++ b/ptxdist/configs/ecu01/patches/linux-3.10.108/spi_print_tid_debug.patch
@@ -0,0 +1,33 @@
+diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
+index f7cd065..f4fd8a2 100644
+--- a/drivers/spi/spi-imx.c
++++ b/drivers/spi/spi-imx.c
+@@ -709,11 +709,28 @@ static int spi_imx_setupxfer(struct spi_device *spi,
+ 	return 0;
+ }
+ 
++static
++void print_transfer_tid(struct spi_device *spi)
++{
++	static pid_t old_tid = (pid_t)-1; static long count = 0L;
++	pid_t tid = current->pid;
++
++	if (old_tid != tid)
++	{
++		(void)printk(KERN_ERR "spi_imx_transfer: spi=%lx, spi->dev.init_name=%s, old_tid=%ld, tid=%ld, count=%ld\n",
++			(long)spi, spi->dev.init_name, (long)old_tid,
++			(long)tid, count);
++		old_tid = tid; count = 0L;
++	} else { count++; }
++}
++
+ static int spi_imx_transfer(struct spi_device *spi,
+ 				struct spi_transfer *transfer)
+ {
+ 	struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master);
+ 
++	print_transfer_tid(spi);
++
+ 	spi_imx->tx_buf = transfer->tx_buf;
+ 	spi_imx->rx_buf = transfer->rx_buf;
+ 	spi_imx->count = transfer->len;