Re: [tip:x86/reboot] [PATCH] x86: Try the BIOS reboot method before the PCI reboot method

[Li, Aubrey]

On 2014/4/7 2:40, H. Peter Anvin wrote:
> 
> No question. The question at hand is if we should do it after all other
> non-terminal (BIOS, triple) methods have been tried.
> 

The reboot sequence before the change is:
(1) ACPI
(2) KEYBOARD
(3) ACPI
(4) KEYBOARD
(5) TRIPLE

The reboot sequence after the change is:
(1) ACPI
(2) KEYBOARD
(3) ACPI
(4) KEYBOARD
(ADD_1) EFI
(ADD_2) CF9
(ADD_3) BIOS
(5) TRIPLE

Steven's machine exactly hit (5), while CF9 hangs, so we encountered
this regression.

EFI is no question. So, Is everybody okay with the following sequence?
(1) ACPI
(2) KEYBOARD
(3) ACPI
(4) KEYBOARD
(ADD_1) EFI
(5) TRIPLE
(ADD_2) CF9
(ADD_3) BIOS

Thanks,
-Aubrey
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