On Thu, Nov 15, 2012 at 03:07:24PM +0800, woody wrote: > Hi, Hi, > In the 3.6.6 ARM kernel, should I use ttySAC0 or ttyS0 to specify > the 'console' kernel command line? it depends on the driver used for your console. ttySAC is Samsung. which kind of uart do you have? Regards, Domenico