UserAgent: Mozilla/5.0 (X11; CrOS x86_64 7978.74.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/50.0.2661.103 Safari/537.36
Platform: 7978.74.0 (Official Build) stable-channel falco

Steps to reproduce the problem:
1. close the lid
2. open the lid
3. crash, re-login and restore tabs from crashed session

What is the expected behavior?
no crashes

What went wrong?
chromebook crashes almost every time I close the lid, can be 5-10 times a day, depending on my mobility throughout the day. It rarely does not crash

Crashed report ID: 9d02819a00000000 65b19e9a00000000 7cb8ae9a00000000

How much crashed? Whole browser

Is it a problem with a plugin? N/A 

Did this work before? Yes M49 did not crash that often

Chrome version: 50.0.2661.103  Channel: n/a
OS Version: 7978.74.0
Flash Version: Shockwave Flash 21.0 r0

I can assist with whatever debugging may be required, just have no time to start it from scratch