diff --git a/ROMFS/px4fmu_common/init.d/4001_quad_x b/ROMFS/px4fmu_common/init.d/4001_quad_x
index 42b64a68ea..0f1288dec3 100644
--- a/ROMFS/px4fmu_common/init.d/4001_quad_x
+++ b/ROMFS/px4fmu_common/init.d/4001_quad_x
@@ -48,5 +48,5 @@ set MIXER FMU_quad_x
 set PWM_OUTPUTS 1234
 set PWM_RATE 400
 set PWM_DISARMED 900
-set PWM_MIN 1000
+set PWM_MIN 1100
 set PWM_MAX 2000
diff --git a/ROMFS/px4fmu_common/init.d/rc.logging b/ROMFS/px4fmu_common/init.d/rc.logging
index dcf5bbced8..c5aef8273c 100644
--- a/ROMFS/px4fmu_common/init.d/rc.logging
+++ b/ROMFS/px4fmu_common/init.d/rc.logging
@@ -8,7 +8,7 @@ then
 	if hw_ver compare PX4FMU_V1
 	then
 		echo "Start sdlog2 at 50Hz"
-		sdlog2 start -r 50 -a -b 16 -t
+		sdlog2 start -r 50 -a -b 8 -t
 	else
 		echo "Start sdlog2 at 200Hz"
 		sdlog2 start -r 200 -a -b 16 -t
diff --git a/ROMFS/px4fmu_common/init.d/rcS b/ROMFS/px4fmu_common/init.d/rcS
index 84dc7ec640..178bcaeba5 100644
--- a/ROMFS/px4fmu_common/init.d/rcS
+++ b/ROMFS/px4fmu_common/init.d/rcS
@@ -474,7 +474,7 @@ then
 			set MAV_TYPE 2
 			
 			# Use mixer to detect vehicle type
-			if [ $MIXER == FMU_hex_x -o $MIXER == FMU_hex_+ ]
+			if [ $MIXER == FMU_hexa_x -o $MIXER == FMU_hexa_+ ]
 			then
 				set MAV_TYPE 13
 			fi
diff --git a/ROMFS/px4fmu_common/mixers/FMU_hex_+.mix b/ROMFS/px4fmu_common/mixers/FMU_hexa_+.mix
similarity index 100%
rename from ROMFS/px4fmu_common/mixers/FMU_hex_+.mix
rename to ROMFS/px4fmu_common/mixers/FMU_hexa_+.mix
diff --git a/ROMFS/px4fmu_common/mixers/FMU_hex_x.mix b/ROMFS/px4fmu_common/mixers/FMU_hexa_x.mix
similarity index 100%
rename from ROMFS/px4fmu_common/mixers/FMU_hex_x.mix
rename to ROMFS/px4fmu_common/mixers/FMU_hexa_x.mix
diff --git a/src/modules/systemlib/mixer/mixer_load.c b/src/modules/systemlib/mixer/mixer_load.c
index a55ddf8a35..b05273c0de 100644
--- a/src/modules/systemlib/mixer/mixer_load.c
+++ b/src/modules/systemlib/mixer/mixer_load.c
@@ -52,7 +52,8 @@ int load_mixer_file(const char *fname, char *buf, unsigned maxlen)
 	/* open the mixer definition file */
 	fp = fopen(fname, "r");
 	if (fp == NULL) {
-		return 1;
+		warnx("file not found");
+		return -1;
 	}
 
 	/* read valid lines from the file into a buffer */
@@ -88,7 +89,8 @@ int load_mixer_file(const char *fname, char *buf, unsigned maxlen)
 
 		/* if the line is too long to fit in the buffer, bail */
 		if ((strlen(line) + strlen(buf) + 1) >= maxlen) {
-			return 1;
+			warnx("line too long");
+			return -1;
 		}
 
 		/* add the line to the buffer */
diff --git a/src/systemcmds/mixer/mixer.cpp b/src/systemcmds/mixer/mixer.cpp
index 6da39d371b..2f5ed3265d 100644
--- a/src/systemcmds/mixer/mixer.cpp
+++ b/src/systemcmds/mixer/mixer.cpp
@@ -102,7 +102,8 @@ load(const char *devname, const char *fname)
 	if (ioctl(dev, MIXERIOCRESET, 0))
 		err(1, "can't reset mixers on %s", devname);
 
-	load_mixer_file(fname, &buf[0], sizeof(buf));
+	if (load_mixer_file(fname, &buf[0], sizeof(buf)) < 0)
+		err(1, "can't load mixer: %s", fname);
 
 	/* XXX pass the buffer to the device */
 	int ret = ioctl(dev, MIXERIOCLOADBUF, (unsigned long)buf);