[PATCH] UP APIC suspend/resume support -- Please test

[Nate Lawson]

Norikatsu Shigemura wrote:
> On Wed, 11 Oct 200 23:31:13 +0900
> Norikatsu Shigemura <nork at freebsd.org> wrote:
>> On Tue, 10 Oct 2006 10:20:31 -0400
>> John Baldwin <jhb at freebsd.org> wrote:
>>> No one has tested this yet, so I gues folks missed it.  Can someone with
>>> otherwise working suspend/resume on a system with APIC please test
>>> http://www.freebsd.org/~jhb/patches/apic_resume.patch and let me know if
>>> suspend/resume works?  Note that it doesn't add SMP support, so you'll
>>> still need to disable SMP (either via kern.smp.disabled or by removing
>>> SMP from the kernel config) to test.  Thanks.
>> 	Perfect!! in my Panasonic CF-R4 (Let's note/Toughbook)
>> 	on 6.2-PRERELEASE.
> 
> 	Oops, I found a problem.  After suspend/resume, acpi_panasonic(4)'s
> 	ACPI hotkey driver is not works.  But sysctl hw.acpi.panasonic.*
> 	can work well.  And if hint.apic.0.disabled=1, ACPI hotkey driver
> 	always works.

I wonder if it's related to how the SCI is being reprogrammed (or not) 
on resume.  I wonder if it needs different treatment than other APIC 
interrupts.

-- 
Nate