When searching for anything in Google, it keeps refreshing itself; or, rather, it keeps redirecting itself between the url variants
https://www.google.hu/#newwindow=1&q=<query>. It just keeps ping-ponging between these, like in an old-fashioned redirect loop, except it never ends.
Needless to say, it's very annoying.
This is happening using Google Chrome 48.0.2564.71 beta 64 bit, on a Lubuntu installation, with 16 GB of memory (and no history of RAM troubles). Tried to install a stable version over it (though not --purge-ing the original, so with the same settings) and the same thing happened. No other pages show this behaviour.
Tried to clear browsing history, cookies and cache: it did help, but only for two searches, then the issue resurfaced. Things work fine in Incognito mode or when I'm not logged in to my Google account.
Looking around on the internet yielded this bug report and variants, which describe a bug about Chrome keeping refreshing every page, which sounds similar, but isn't the same. 'Instant search' was alread disabled.
Now, I realize the problem would perhaps go away if I deleted every little piece of Chrome from the computer, but I'm not sure, and if possible I'd like to keep my various settings. Does anyone have an idea as to how to achieve that?