Early kernel debugging

[Philipp Ittershagen]

On 03/25/2011 09:50 AM, Guillaume Dargaud wrote:
> Hello all,
> what can you do when the kernel you try to run stops before printing anything on the console ?

http://elinux.org/Kernel_Debugging_Tips#Debugging_early_boot_problems

Basically it means connecting a debugger to the running kernel (using
XMD, for example) and then reading the printk log buffer, which contains
the last lines printed.

Hope this helps!


Philipp