Hi Dave,

On 11/16/06, Dave Anderson <[EMAIL PROTECTED]> wrote:
>
> Vivek Goyal <[EMAIL PROTECTED]> wrote:
>  - I think this patch will break compatibility with gdb as we are not
> mapping
>   kernel in virtual address space. All the physical chunks are being mapped
>   to linearly mapped region in virtual address space and none is being
> mapped
>   to kernel text virtual address region.
>
> Vivek,
>
> Wouldn't it also break the algorithm used by the crash utility
> to determine the kernel's physical base address?
>
> Recall that we decided to search for the PT_LOAD segment
> starting at  __START_KERNEL_map, and then calculate the
> physical base address like so:
>
>   phys_base = phdr->p_paddr - (phdr->p_vaddr & ~(__START_KERNEL_map));

But older versions the kexec-tools doesn't add the kernel PT_LOAD
segment on x86_64, and on i386 that does not happen at all. Does that
mean that crash needs a new version of kexec-tools to work properly?
Maybe I'm misunderstanding...

Thanks,

/ magnus
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