https://bugzilla.kernel.org/show_bug.cgi?id=16292
--- Comment #12 from ykzhao <yakui.z...@intel.com> 2010-10-12 08:04:27 ---
Hi, Bob
Thanks for your detailed debug. The last step in course of poweroff is to
write SLP_TYPE/SLP_EN into the PM1A control register. But from your test it
seems that the system can't be powered off even after the
SLP_TYPE/SLP_EN(0x3C01) is written into the PM1A control register(0x404).
Can the system be powered off by writing the 0x3C01 into 0x404 I/O port
under EFI?
Will you please read the output of 0x430 I/O port?
Thanks
Yakui
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