DALVIK THREADS (42):
"main" prio=5 tid=1 Blocked
| group="main" sCount=1 dsCount=0 obj=0x75246fa8 self=0x5579f46330
| sysTid=17168 nice=0 cgrp=default sched=0/0 handle=0x7f8418fe80
| state=S schedstat=( 3220313381 1191878544 5782 ) utm=272 stm=50 core=1 HZ=100
| stack=0x7fd3631000-0x7fd3633000 stackSize=8MB
| held mutexes=
kernel: __switch_to+0x70/0x7c
kernel: futex_wait_queue_me+0xd4/0x12c
kernel: futex_wait+0xdc/0x1e4
kernel: do_futex+0xc8/0x8d0
kernel: SyS_futex+0xf8/0x174
kernel: cpu_switch_to+0x48/0x5a0
native: #00 pc 000137c4 /system/lib64/libc.so (syscall+28)
native: #01 pc 000d17c8 /system/lib64/libart.so (_ZN3art17ConditionVariable4WaitEPNS_6ThreadE+140)
native: #02 pc 002b7e00 /system/lib64/libart.so (_ZN3art7Monitor4LockEPNS_6ThreadE+400)
native: #03 pc 002ba770 /system/lib64/libart.so (_ZN3art7Monitor4WaitEPNS_6ThreadElibNS_11ThreadStateE+1664)
native: #04 pc 002bb3b8 /system/lib64/libart.so (_ZN3art7Monitor4WaitEPNS_6ThreadEPNS_6mirror6ObjectElibNS_11ThreadStateE+244)
native: #05 pc 00000658 /system/framework/arm64/boot.oat (Java_java_lang_Object_wait__+140)
at java.lang.Object.wait!(Native method)
- waiting to lock <0x13f70660> (a android.opengl.GLSurfaceView$GLThreadManager) held by thread 32
at android.opengl.GLSurfaceView$GLThread.onPause(GLSurfaceView.java:1647)
- locked <0x13f70660> (a android.opengl.GLSurfaceView$GLThreadManager)
at android.opengl.GLSurfaceView.onPause(GLSurfaceView.java:550)
at com.qiniu.pili.droid.streaming.a.c.a(CameraManager.java:504)
at com.qiniu.pili.droid.streaming.MediaStreamingManager.switchCamera(MediaStreamingManager.java:921)
at com.qiniu.pili.droid.streaming.demo.activity.AVStreamingActivity$Switcher.run(AVStreamingActivity.java:301)
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:5418)
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:1037)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:832)