Hard freeze after 'rfkill block bluetooth'

Hi,

I got a hard freeze with HEAD at 1b42fc4 (i.e. past -rc4) after running 
rfkill block bluetooth.

Screen capture can be found at

	http://www.jikos.cz/jikos/junk/IMAG0264.jpg

(sorry for the bad picture quality, but I believe it's readable).

I am not able to reproduce it again.

-- 
Jiri Kosina
SUSE Labs