Recently, when my session times out (e.g. overnight while connected/logged in), I get the
Your session has expired.
Sign in again.
But also, the top of the page shows an icon that I am already signed in.
Clicking on the icon (to sign in) indicates I am signed in, and to get the rest of the page to the signed in state, I must sign out then sign in again. Alternatively I can click on the Sign in again link.
Yes, I get that frequently. Also, sometimes when I refresh the forum page it redirects me to the top-level Intel Communities page. The login cookie times out way too fast, and there seems to be some confusion among the various cookies as the site simultaneously thinks I am logged in and not logged in.