acpi_video users needed

[Nate Lawson]

takawata at jp.freebsd.org wrote:
> In message <cone.1089955588.176391.648.1001 at phobos.totalterror.net>, Niki Denev
>  wrote:
>>Randy Bush writes:
>>
>>
>>>>Can you define "properly attaching"? Mine stopped working about 3
>>>>weeks ago, but the .ko does load. I just don't get any hw.acpi.video
>>>>sysctls and suspend no longer turns off the display.
>>>
>>>same here, thinkpad t40p, current bios.
>>>
>>>randy
>>>
>>
>>here too.
>>ThinkPad X31, latest BIOS. cvsupped yesterday.
>>
>>dmesg, acpidump, devinfo output at : 
>>http://totalterror.net/freebsd/
>  
> Just curious, Is acpi_video or device button worked for you on your
> ThinkPad X31?
> In my machine, device buttons or acpi_video requests or
> even shutdown, that eventually invokes SMI, will cause the machine
> hang up. Was it resolved with the latest BIOS?

There's a recent regression in acpi_pci where we cleaned up the duplicate 
handles for PCI devices.  Since acpi_video should attach to pci, not acpi, it 
fails to probe.  The main fix is to finish jhb's vga_pci driver but perhaps I 
can commit a workaround sometime soon.

-Nate