Could you tell exactly which kernel does the problem appear? I tried the openSUSE-2014-441 update again. It is 3.11.10-17-desktop for x86_64. But today the connection works without problems. Maybe it has to do with the new Kindle Paperwhite. When I try to connect the Kindle all existing hostapd connections freeze. But that is the case for 3.11.10-17-desktop and for
https://bugzilla.novell.com/show_bug.cgi?id=884878
https://bugzilla.novell.com/show_bug.cgi?id=884878#c2
Michael Uemminghaus