Chrome Version: <From about:version: Google Chrome canary>
Chrome OS Version: <From about:version: Platform 63.0.3230.0>
Chrome OS Platform: <Make/model of computer running Chrome OS>
Network info: <network, encryption type, router model (if known)>

Please specify Cr-* of the system to which this bug/feature applies (add
the label below)./opt/google/chrome/chrome --ppapi-flash-path=/opt/google/chrome/pepper/libpepflashplayer.so --ppapi-flash-version=27.0.0.159 --ui-prioritize-in-gpu-process --use-gl=egl --enable-native-gpu-memory-buffers --gpu-sandbox-failures-fatal=yes --enable-logging --log-level=1 --use-cras --enable-wayland-server --user-data-dir=/home/chronos --max-unused-resource-memory-usage-percentage=5 --system-developer-mode --disable-lock-screen-apps --login-profile=user --has-chromeos-keyboard --default-wallpaper-large=/usr/share/chromeos-assets/wallpaper/oem_large.jpg --default-wallpaper-small=/usr/share/chromeos-assets/wallpaper/oem_small.jpg --default-wallpaper-is-oem --guest-wallpaper-large=/usr/share/chromeos-assets/wallpaper/guest_large.jpg --guest-wallpaper-small=/usr/share/chromeos-assets/wallpaper/guest_small.jpg --enable-consumer-kiosk --enterprise-enrollment-initial-modulus=15 --enterprise-enrollment-modulus-limit=19 --login-manager --first-exec-after-boot --vmodule=tablet_power_button_controller=1,*chromeos/login/*=1,auto_enrollment_controller=1,*plugin*=2,*zygote*=1,*/ui/ozone/*=1,*/ui/display/manager/chromeos/*=1,power_button_observer=2,webui_login_view=2,lock_state_controller=2,webui_screen_locker=2,screen_locker=2


Steps To Reproduce:
(1)close lid 
(2)wake 
(3)close lid again
(4)wake and freeze

Expected Result:

Actual Result:

How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)
hard to reproduce
What is the impact to the user, and is there a workaround? If so, what is
it?
only workaround is to power down. all open windows and work is lost
Please provide any additional information below. Attach a screen shot or
log if possible.

For graphics-related bugs, please copy/paste the contents of the about:gpu
page at the end of this report.