2009/11/17 申王睿 <[email protected]>:
> i modified both kexec-tools and module in kernel to ingnore some validity
> checking. but when the code in kernel is going to copy the new kernel to old
> kernel, a pagefault exception is receive like this:
> ~ # kexec -e
> Starting new kernel
> Unhandled kernel unaligned access[#1]:
Maybe it was because of your crosstools problem.
watch the 'REG_L s5, (s2)
REG_S s5, (s4)'
in relocate_kernel.S to see if it is suitable for 64 bits.
BTW, if you are using smp processors , you should check the patch for it
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