Steps to reproduce the problem:
1. Open HTC Mail and read a mail
2. Click reply or tap back key

What is the expected behavior?

What went wrong?
Chrome_InProcGp CPU usage sometimes up to 100% when leave this activity.

Did this work before? Yes No found related issue before v.50

Chrome version: 51.0.2704.81  Channel: n/a
OS Version: 
Flash Version: 

May be possible happens on eglWaitSync is not called properly before eglDestroSync KHR. The egl calls are made directly from Webview.

[Log pattern]
07-04 20:07:10.283  1845  1863 E ActivityManager: ANR in com.htc.android.mail (com.htc.android.mail/.activity.ReadThreadActivity), time=35223540
07-04 20:07:10.283  1845  1863 E ActivityManager: PID: 18858
07-04 20:07:10.283  1845  1863 E ActivityManager: Reason: Input dispatching timed out (Waiting to send key event because the focused window has not finished processing all of the input events that were previously delivered to it.  Outbound queue length: 0.  Wait queue length: 10.)
07-04 20:07:10.283  1845  1863 E ActivityManager: Load: 6.96 / 6.7 / 6.02
07-04 20:07:10.283  1845  1863 E ActivityManager: CPU usage from 13768ms to 0ms ago with 99% awake:
07-04 20:07:10.283  1845  1863 E ActivityManager:   99% 18858/com.htc.android.mail: 99% user + 0% kernel / faults: 8 minor 1 major
…
07-04 20:07:10.283  1845  1863 E ActivityManager: CPU usage from 3187ms to 3707ms later:
07-04 20:07:10.283  1845  1863 E ActivityManager:   98% 18858/com.htc.android.mail: 98% user + 0% kernel
07-04 20:07:10.283  1845  1863 E ActivityManager:     100% 19777/Chrome_InProcGp: 100% user + 0% kernel

"Chrome_InProcGpuThread" prio=7 tid=37 Native
  | group="main" sCount=1 dsCount=0 obj=0x32c07dc0 self=0xabbf54e0
  | sysTid=19777 nice=-4 cgrp=default sched=0/0 handle=0xd140a930
  | state=R schedstat=( 0 0 0 ) utm=5243 stm=37 core=1 HZ=100
  | stack=0xd130e000-0xd1310000 stackSize=1014KB
  | held mutexes=
  kernel: (couldn't read /proc/self/task/19777/stack)
  native: #00 pc 00147f46  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZNK13EsxLinkedList7GetDataEPv+5)
  native: #01 pc 00149dd5  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN27EsxMemPoolBucketIdReference14GarbageCollectEj+52)
  native: #02 pc 0010dd75  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN10EsxContext7DestroyEv+1620)
  native: #03 pc 0011c01b  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN10EglContext17DestroyEsxContextEv+26)
  native: #04 pc 0011c8cb  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN10EglContext7DestroyEv+42)
  native: #05 pc 0011e635  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN12EglFenceSync7DestroyEv+84)
  native: #06 pc 0011c88b  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN16EglSurfaceAccessD1Ev+10)
  native: #07 pc 00119881  /system/vendor/lib/egl/libESXGLESv2_adreno.so (_ZN6EglApi11DestroySyncEPvS0_+64)
  native: #08 pc 00014a05  /system/lib/libEGL.so (eglDestroySyncKHR+44)
  native: #09 pc 006b0655  /data/app/com.google.android.webview-2/lib/arm/libwebviewchromium.so (???)
  (no managed stack frames)
 

Deleted: M8_QL_Logfile.txt 2.0 MB

M8_QL_Logfile.txt 2.0 MB View Download