Chrome OS 11151.6.0, 71.0.3578.13

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

Steps To Reproduce:
(1)Login to user account
(2)Enable linux terminal from settings window.
(3)Try to user sign-out with shortcut keys

Expected Result:

Actual Result:
Unable to sign-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?

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.