Use the below controls to trigger a render process hang.

Hang for seconds.

Action after hanging for at least 15 seconds:

Default behavior (Alloy runtime: Wait; Chrome runtime: show "Page unresponsive" dialog [1])

Wait

Terminate the render process [2]

[1] The "Page unresponsive" dialog will be auto-dismissed when the hang ends.

[2] After termination the browser navigates to the startup URL or shows an error page.