Re: Unable to turn paging on!!

From: Brian Gerst (bgerst@didntduck.org)
Date: Wed Mar 26 2003 - 15:11:38 EST

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ravikumar.chakaravarthy@amd.com wrote:
> I tweaked the kernel and boot loader to load the kernel at 0xdf000000, physical address. I did the following changes to setup the initial page table.
>
> However during boot, in arch/i386/kernel/head.S when the paging bit is set
> movl %eax,%cr0 /* ..and set paging (PG) bit */
>
> My computer hangs!!
>
> Any idea why??
>
> -Ravi

The kernel can only be loaded into memory that is directly mapped, which
is the first 960MB. Why do you need to change the load address?

-- Brian Gerst

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Next message: Randy.Dunlap: "[PATCH] reduce stack in cdrom/optcd.c"
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