kernel hang on 'now booting the kernel'

Grant Likely grant.likely at
Thu Jan 12 13:13:21 EST 2006

andrew.l.bomber at wrote:
> Ali,
> What is likely happening is that Linux's logical address space is not
> configured appropriately. The MMU configuration is the first or Second
> thing to happen after zImage boots into the Kernel.
> I had the same problem for a custom board with a Xilinx Virtex 2 Pro.
> The problem was that I edited the .config file without running
> menuconfig and that I changed KERNELBASE. Don't change KERNELBASE
> because if you do it will screw up Linux's logical address space. Second
> always run make menuconfig before make dep and make zImage because
or you can run 'make oldconfig' after editing .config.  oldconfig will 
sanitize your changes.

> menuconfig alters a number of lower level files according to your
> configuration. Also make sure that you copy the BSP into the kernel
> source tree otherwise Linux will be writing to the wrong address when
> trying to output to stdout.
> Regards,
> Andrew

Grant Likely, B.Sc. P.Eng.
Secret Lab Technologies Ltd.
(403) 663-0761

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