diff --git a/init/reboot.cpp b/init/reboot.cpp
index e234f96..7970b4a 100644
--- a/init/reboot.cpp
+++ b/init/reboot.cpp
@@ -205,7 +205,7 @@
     return true;
 }
 
-static void DumpUmountDebuggingInfo() {
+static void DumpUmountDebuggingInfo(bool dump_all) {
     int status;
     if (!security_getenforce()) {
         LOG(INFO) << "Run lsof";
@@ -214,6 +214,10 @@
                                 true, nullptr, nullptr, 0);
     }
     FindPartitionsToUmount(nullptr, nullptr, true);
+    if (dump_all) {
+        // dump current tasks, this log can be lengthy, so only dump with dump_all
+        android::base::WriteStringToFile("t", "/proc/sysrq-trigger");
+    }
 }
 
 static UmountStat UmountPartitions(int timeoutMs) {
@@ -277,11 +281,11 @@
     UmountStat stat = UmountPartitions(timeoutMs - t.duration_ms());
     if (stat != UMOUNT_STAT_SUCCESS) {
         LOG(INFO) << "umount timeout, last resort, kill all and try";
-        if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo();
+        if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(false);
         KillAllProcesses();
         // even if it succeeds, still it is timeout and do not run fsck with all processes killed
         UmountPartitions(0);
-        if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo();
+        if (DUMP_ON_UMOUNT_FAILURE) DumpUmountDebuggingInfo(true);
     }
 
     if (stat == UMOUNT_STAT_SUCCESS && runFsck) {
@@ -341,18 +345,9 @@
     Service* bootAnim = ServiceManager::GetInstance().FindServiceByName("bootanim");
     Service* surfaceFlinger = ServiceManager::GetInstance().FindServiceByName("surfaceflinger");
     if (bootAnim != nullptr && surfaceFlinger != nullptr && surfaceFlinger->IsRunning()) {
-        property_set("service.bootanim.exit", "0");
-        // Could be in the middle of animation. Stop and start so that it can pick
-        // up the right mode.
-        bootAnim->Stop();
-        // start all animation classes if stopped.
         ServiceManager::GetInstance().ForEachServiceInClass("animation", [](Service* s) {
-            s->Start();
             s->SetShutdownCritical();  // will not check animation class separately
         });
-        bootAnim->Start();
-        surfaceFlinger->SetShutdownCritical();
-        bootAnim->SetShutdownCritical();
     }
 
     // optional shutdown step
diff --git a/libcutils/fs_config.c b/libcutils/fs_config.c
index 82954a8..1b7139b 100644
--- a/libcutils/fs_config.c
+++ b/libcutils/fs_config.c
@@ -189,8 +189,10 @@
                                            CAP_MASK_LONG(CAP_NET_RAW),
                                               "vendor/bin/hostapd" },
 
-    /* Support Bluetooth legacy hal accessing /sys/class/rfkill */
-    { 00700, AID_BLUETOOTH, AID_BLUETOOTH, CAP_MASK_LONG(CAP_NET_ADMIN),
+    /* Support Bluetooth legacy hal accessing /sys/class/rfkill
+     * Support RT scheduling in Bluetooth */
+    { 00700, AID_BLUETOOTH, AID_BLUETOOTH, CAP_MASK_LONG(CAP_NET_ADMIN) |
+                                           CAP_MASK_LONG(CAP_SYS_NICE),
                                               "vendor/bin/hw/android.hardware.bluetooth@1.0-service" },
 
     /* A non-privileged zygote that spawns