I'm in the middle of a match in the 'Clash of Geomancy' league, but the match is just hanging without the timer running. I just played 'blooming ground' and now the timers aren't running down and I can't post in chat. I'll have to refresh the client I think.
If timers are not running, it means you have disconnected. If the screen is frozen but one timer is running, you should try to click somewhere on the board and it should fix it.