Hi, On Wed, Jul 27, 2016 at 10:23:09AM +0900, Masahiro Yamada wrote: > When the kernel fails to boot and its log console is silent, > I use earlycon and I often find the cause of error with it. > > But, I have been wondering if there is an easy-to-use > debug tip which is available after earlycon is disabled. > > I noticed the current mainline would not boot on my ARMv8 board. > According to the following log, I am guessing something wrong > is happening after the "bootconsole [uniphier0] disabled" log. > > Is there a good practice to see more log? Documentation/kernel-parameters.txt keep_bootcon [KNL] Do not unregister boot console at start. This is only useful for debugging when something happens in the window between unregistering the boot console and initializing the real console. -- Sebastian
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