DALVIK THREADS (24):
"main" prio=5 tid=1 Native
  | group="main" sCount=1 dsCount=0 obj=0x734f2ec0 self=0x42427800
  | sysTid=478 nice=0 cgrp=default sched=0/0 handle=0x40046bec
  | state=S schedstat=( 2570000000 9770000000 3281 ) utm=231 stm=26 core=0 HZ=100
  | stack=0xbe3aa000-0xbe3ac000 stackSize=8MB
  | held mutexes=
  kernel: futex_wait_queue_me+0xd8/0x104
  kernel: futex_wait+0x1a4/0x2a0
  kernel: do_futex+0xd0/0xa50
  kernel: sys_futex+0x90/0x16c
  kernel: ret_fast_syscall+0x0/0x30
  native: #00 pc 000104cc  /system/lib/libc.so (syscall+28)
  native: #01 pc 00013d71  /system/lib/libc.so (__pthread_cond_timedwait_relative(pthread_cond_t*, pthread_mutex_t*, timespec const*)+56)
  native: #02 pc 0003c2db  /system/lib/libhwui.so (android::uirenderer::renderthread::RenderProxy::postAndWait(android::uirenderer::renderthread::MethodInvokeRenderTask*)+74)
  native: #03 pc 00017c05  /data/dalvik-cache/arm/system@framework@boot.oat (Java_android_view_ThreadedRenderer_nFence__J+88)
  at android.view.ThreadedRenderer.nFence(Native method)
  at android.view.ThreadedRenderer.fence(ThreadedRenderer.java:391)
  at android.view.ViewRootImpl.performDraw(ViewRootImpl.java:2371)
  at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1982)
  at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1061)
  at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5891)
  at android.view.Choreographer$CallbackRecord.run(Choreographer.java:767)
  at android.view.Choreographer.doCallbacks(Choreographer.java:580)
  at android.view.Choreographer.doFrame(Choreographer.java:550)
  at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:753)
  at android.os.Handler.handleCallback(Handler.java:739)
  at android.os.Handler.dispatchMessage(Handler.java:95)
  at android.os.Looper.loop(Looper.java:135)
  at android.app.ActivityThread.main(ActivityThread.java:5294)
  at java.lang.reflect.Method.invoke!(Native method)
  at java.lang.reflect.Method.invoke(Method.java:372)
  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)