I put together a site for a mate of mine and when I recently upgraded it to 5.4.2.2 for him and I log in, via the index.php/login page it bounces back to the homepage after details go in but no edit bar. I tried to access the dashboard via the direct URL and I had to put in the UN & PW again, but this time it took me to the dashboard, and when I clicked return to website it had the edit bar.

Has anyone seen this before?