Chrome Version: <From about:version: Google Chrome 67.0.3396.99>
Chrome OS Version: <From about:version: Platform 10575.58.1>
Chrome OS Platform: <Kench/Fizz>
Network info: WiFi>

Please specify Cr-* of the system to which this bug/feature applies (add
the label below).

Steps To Reproduce:
(1) Log in as a user.


Expected Result: User stays logged in, till it signs out.  

Actual Result: User unexpectedly gets logged out.

How frequently does this problem reproduce? (Always, sometimes, hard to
reproduce?)

What is the impact to the user, and is there a workaround? If so, what is
it?
User gets logged out while using the device. No workaround yet. 

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.

Feedback report: 
https://listnr.corp.google.com/report/85541176780

sample log 

2018-07-09T12:26:43.952005-07:00 INFO kernel: [  120.492923] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded
2018-07-09T12:26:43.957014-07:00 INFO kernel: [  120.497727] r8169 0000:01:00.0 eth0: RTL8168h/8111h at 0xffffc900000ae000, 00:e0:4c:00:c0:b0, XID 14100880 IRQ 278
2018-07-09T12:26:43.957045-07:00 INFO kernel: [  120.497741] r8169 0000:01:00.0 eth0: jumbo features [frames: 9200 bytes, tx checksumming: ko]
2018-07-09T12:26:43.971999-07:00 WARNING kernel: [  120.513086] r8169 0000:01:00.0: Direct firmware load for rtl_nic/rtl8168h-2.fw failed with error -2
2018-07-09T12:26:43.972020-07:00 WARNING kernel: [  120.513118] r8169 0000:01:00.0 eth0: unable to load firmware patch rtl_nic/rtl8168h-2.fw (-2)
2018-07-09T12:26:43.976981-07:00 INFO kernel: [  120.518086] r8169 0000:01:00.0 eth0: link down
2018-07-09T12:26:43.976998-07:00 INFO kernel: [  120.518199] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
2018-07-09T12:26:49.105448-07:00 WARNING mimo-monitor[1240]: Didn't find Displaylink or SiSMonitor
2018-07-09T12:27:20.251024-07:00 NOTICE check_ethernet.hook[2645]: All ethernet recovery methods have failed. Rebooting.
2018-07-09T12:27:20.291998-07:00 WARNING kernel: [  156.831896] init: reboot: Undeclared imported variable RUNLEVEL=6
2018-07-09T12:27:20.292015-07:00 WARNING kernel: [  156.831927] init: reboot: Undeclared imported variable SHUTDOWN_REASON=other-request-to-powerd
2018-07-09T12:27:20.292017-07:00 WARNING kernel: [  156.832250] init: job-filter: Undeclared imported variable SHUTDOWN_REASON=other-request-to-powerd
2018-07-09T12:27:20.292019-07:00 WARNING kernel: [  156.832492] init: pre-shutdown: Undeclared imported variable SHUTDOWN_REASON=other-request-to-powerd
2018-07-09T12:27:20.292020-07:00 WARNING kernel: [  156.832745] init: debugd: Undeclared imported variable SHUTDOWN_REASON=other-request-to-powerd
2018-07-09T12:27:20.311183-07:00 WARNING kernel: [  156.850016] init: arc-kmsg-logger main process (2035) killed by TERM signal