On Tue, 2007-08-21 at 12:14 +0200, Pavel Machek wrote:
> Ok, I got it to work -- thanks a lot.
>
> Yes, acpi=off is mandatory. Unfortunately, thinkpad x60 does not boot
> with acpi=off (should we add another test to linux firmware kit?
> Machines should still boot in acpi=off mode...). acpi=off noapic
> nolapic nosmp makes it boot, and that in turn makes kjump work.
>
> Screen is not refreshed on kjump back to original kernel, but I guess
> that's to be expected. I did not play with framebuffer, yet.
>
> Maybe it is time to move kjump functionality into -mm and
> kexec-testing?
Now I have worked out a full kexec based hibernation prototype,
including kexec, write out the image, reboot, restore the memory and
jump back. I will release it recently. :)
Best Regards,
Huang Ying
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