If the extension did not work, then restart the browser first. If this does not help, then paste the content in the chrome: // extensions / → Chrome-o-Tile → background.html → Console.
If the bug is difficult to describe in words, write down the screencast. Screenr.com is a matter of a couple of minutes.
Chrome-o-Tile 1.1 Now, if the new window does not fit in the free space, the parent window is reduced to fit the new window. In this case, the new window is 400px wide. This is set in the MIN_WIDTH variable. You can change it in chrome: // extensions / → Chrome-o-Tile → background.html → Console.