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How to see Kernel Message for debugging Purpose?

April 26, 2017debugging Kernel message purpose

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How to see Kernel Message for debugging Purpose?

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You can use earlyprintk=serial,uart0,115200 or earlyprintk=vga in bootargs,you will also need to enable that in kernel by enabling CONFIG_EARLY_PRINTK (CONFIG_DEBUG_LL, CONFIG_DEBUG_KERNEL) or