diff --git a/Android.mk b/Android.mk
index bba6122..54abb23 100644
--- a/Android.mk
+++ b/Android.mk
@@ -53,7 +53,7 @@
 
 LOCAL_C_INCLUDES := $(common_c_includes)
 
-LOCAL_CFLAGS := 
+LOCAL_CFLAGS := -Werror=format
 
 LOCAL_SHARED_LIBRARIES := $(common_shared_libraries)
 
diff --git a/CommandListener.cpp b/CommandListener.cpp
index 97ed2ce..33af9e5 100644
--- a/CommandListener.cpp
+++ b/CommandListener.cpp
@@ -40,7 +40,7 @@
 #include "cryptfs.h"
 
 CommandListener::CommandListener() :
-                 FrameworkListener("vold") {
+                 FrameworkListener("vold", true) {
     registerCmd(new DumpCmd());
     registerCmd(new VolumeCmd());
     registerCmd(new AsecCmd());
@@ -566,4 +566,3 @@
 
     return 0;
 }
-
diff --git a/cryptfs.c b/cryptfs.c
index 899d4d4..5bd6de7 100644
--- a/cryptfs.c
+++ b/cryptfs.c
@@ -731,6 +731,7 @@
   char fs_options[PROPERTY_VALUE_MAX];
   unsigned long mnt_flags;
   char encrypted_state[PROPERTY_VALUE_MAX];
+  char key_loc[PROPERTY_VALUE_MAX];
 
   property_get("ro.crypto.state", encrypted_state, "");
   if (strcmp(encrypted_state, "encrypted") ) {
@@ -744,8 +745,21 @@
   }
 
   if (get_crypt_ftr_and_key(real_blkdev, &crypt_ftr, encrypted_master_key, salt)) {
-    SLOGE("Error getting crypt footer and key\n");
-    return -1;
+    property_get(KEY_LOC_PROP, key_loc, KEY_IN_FOOTER);
+    /*
+     * Only report this error if key_loc is a file and it exists.
+     * If the device was never encrypted, and /data is not mountable for
+     * some reason, returning 1 should prevent the UI from presenting the
+     * a "enter password" screen, or worse, a "press button to wipe the
+     * device" screen.
+     */
+    if ((key_loc[0] == '/') && (access("key_loc", F_OK) == -1)) {
+      SLOGE("master key file does not exist, aborting");
+      return 1;
+    } else {
+      SLOGE("Error getting crypt footer and key\n");
+      return -1;
+    }
   }
 
   if (crypt_ftr.flags & CRYPT_ENCRYPTION_IN_PROGRESS) {
diff --git a/logwrapper.c b/logwrapper.c
index 13c076d..34a1e5a 100644
--- a/logwrapper.c
+++ b/logwrapper.c
@@ -25,6 +25,7 @@
 
 #include "private/android_filesystem_config.h"
 #include "cutils/log.h"
+#include "cutils/sched_policy.h"
 
 int parent(const char *tag, int parent_read) {
     int status;
@@ -43,7 +44,7 @@
             } else if (buffer[b] == '\n') {
                 buffer[b] = '\0';
 
-                LOG(LOG_INFO, tag, "%s", &buffer[a]);
+                ALOG(LOG_INFO, tag, "%s", &buffer[a]);
                 a = b + 1;
             }
         }
@@ -51,7 +52,7 @@
         if (a == 0 && b == sizeof(buffer) - 1) {
             // buffer is full, flush
             buffer[b] = '\0';
-            LOG(LOG_INFO, tag, "%s", &buffer[a]);
+            ALOG(LOG_INFO, tag, "%s", &buffer[a]);
             b = 0;
         } else if (a != b) {
             // Keep left-overs
@@ -67,24 +68,24 @@
     // Flush remaining data
     if (a != b) {
         buffer[b] = '\0';
-        LOG(LOG_INFO, tag, "%s", &buffer[a]);
+        ALOG(LOG_INFO, tag, "%s", &buffer[a]);
     }
     status = 0xAAAA;
     if (wait(&status) != -1) {  // Wait for child
         if (WIFEXITED(status)) {
             if (WEXITSTATUS(status) != 0) {
-                LOG(LOG_INFO, "logwrapper", "%s terminated by exit(%d)", tag,
+                ALOG(LOG_INFO, "logwrapper", "%s terminated by exit(%d)", tag,
                         WEXITSTATUS(status));
             }
             return WEXITSTATUS(status);
         } else if (WIFSIGNALED(status))
-            LOG(LOG_INFO, "logwrapper", "%s terminated by signal %d", tag,
+            ALOG(LOG_INFO, "logwrapper", "%s terminated by signal %d", tag,
                     WTERMSIG(status));
         else if (WIFSTOPPED(status))
-            LOG(LOG_INFO, "logwrapper", "%s stopped by signal %d", tag,
+            ALOG(LOG_INFO, "logwrapper", "%s stopped by signal %d", tag,
                     WSTOPSIG(status));
     } else
-        LOG(LOG_INFO, "logwrapper", "%s wait() failed: %s (%d)", tag,
+        ALOG(LOG_INFO, "logwrapper", "%s wait() failed: %s (%d)", tag,
                 strerror(errno), errno);
     return -EAGAIN;
 }
@@ -97,7 +98,7 @@
 
     // XXX: PROTECT FROM VIKING KILLER
     if (execv(argv_child[0], argv_child)) {
-        LOG(LOG_ERROR, "logwrapper",
+        ALOG(LOG_ERROR, "logwrapper",
             "executing %s failed: %s", argv_child[0], strerror(errno));
         exit(-1);
     }
@@ -114,21 +115,21 @@
     /* Use ptty instead of socketpair so that STDOUT is not buffered */
     parent_ptty = open("/dev/ptmx", O_RDWR);
     if (parent_ptty < 0) {
-	LOG(LOG_ERROR, "logwrapper", "Cannot create parent ptty");
-	return -errno;
+        ALOG(LOG_ERROR, "logwrapper", "Cannot create parent ptty");
+        return -errno;
     }
 
     if (grantpt(parent_ptty) || unlockpt(parent_ptty) ||
             ((child_devname = (char*)ptsname(parent_ptty)) == 0)) {
         close(parent_ptty);
-	LOG(LOG_ERROR, "logwrapper", "Problem with /dev/ptmx");
-	return -1;
+        ALOG(LOG_ERROR, "logwrapper", "Problem with /dev/ptmx");
+        return -1;
     }
 
     pid = fork();
     if (pid < 0) {
         close(parent_ptty);
-	LOG(LOG_ERROR, "logwrapper", "Failed to fork");
+        ALOG(LOG_ERROR, "logwrapper", "Failed to fork");
         return -errno;
     } else if (pid == 0) {
         /*
@@ -137,7 +138,7 @@
         child_ptty = open(child_devname, O_RDWR);
         if (child_ptty < 0) {
             close(parent_ptty);
-	    LOG(LOG_ERROR, "logwrapper", "Problem with child ptty");
+            ALOG(LOG_ERROR, "logwrapper", "Problem with child ptty");
             return -errno;
         }
 
@@ -148,18 +149,10 @@
         close(child_ptty);
 
         if (background) {
-            int fd = open("/dev/cpuctl/bg_non_interactive/tasks", O_WRONLY);
-            if (fd >= 0) {
-                char text[64];
-                sprintf(text, "%d", getpid());
-                if (write(fd, text, strlen(text)) < 0) {
-                    LOG(LOG_WARN, "logwrapper",
-                        "Unable to background process (%s)", strerror(errno));
-                }
-                close(fd);
-            } else {
-                LOG(LOG_WARN, "logwrapper",
-                    "Unable to background process (%s)", strerror(errno));
+            int err = set_sched_policy(getpid(), SP_BACKGROUND);
+            if (err < 0) {
+                ALOG(LOG_WARN, "logwrapper",
+                    "Unable to background process (%s)", strerror(-err));
             }
         }
 
diff --git a/vdc.c b/vdc.c
index 1eb674c..7dad143 100644
--- a/vdc.c
+++ b/vdc.c
@@ -55,7 +55,7 @@
 }
 
 static int do_cmd(int sock, int argc, char **argv) {
-    char final_cmd[255] = { '\0' };
+    char final_cmd[255] = "0 "; /* 0 is a (now required) sequence number */
     int i;
     int ret;