UserAgent: Mozilla/5.0 (X11; CrOS x86_64 8530.96.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.154 Safari/537.36
Platform: 8530.96.0 (Official Build) stable-channel chell

Steps to reproduce the problem:
1. HP Chromebook 13 connected to an external display via USB C -> DisplayPort cable
2. Leave the system unattended so it goes to sleep
3. ChromeOS crashes

What is the expected behavior?
Suspend without crashing.

What went wrong?
2016-11-01T13:15:49.452612-07:00 NOTICE powerd_suspend[3032]: Finalizing suspend
2016-11-01T13:15:49.498293-07:00 INFO kernel: [12654.419998] PM: Syncing filesystems ... done.
2016-11-01T13:15:49.498323-07:00 DEBUG kernel: [12654.462237] PM: Preparing system for sleep (mem)
2016-11-01T13:37:46.087596-07:00 WARNING kernel: [12654.463864] Freezing user space processes ...
2016-11-01T13:37:46.087634-07:00 ERR kernel: [12655.195565] [drm:intel_dp_start_link_train] *ERROR* failed to enable link training
2016-11-01T13:37:46.087641-07:00 ERR kernel: [12655.204090] [drm:intel_dp_complete_link_train] *ERROR* failed to start channel equalization

Crashed report ID: 

How much crashed? Whole browser

Is it a problem with a plugin? No 

Did this work before? No 

Chrome version: 53.0.2785.154  Channel: stable
OS Version: 8530.96.0
Flash Version: Shockwave Flash 23.0 r0