Freebsd 7-stable on Asus Pro31j - suspend and resume

[Kevin Oberman]

> From: John Baldwin <jhb at freebsd.org>
> Date: Sat, 28 Jun 2008 17:55:12 -0400
> Sender: owner-freebsd-acpi at freebsd.org
> 
> On Saturday 28 June 2008 05:25:29 am Mark Kirkwood wrote:
> > I've just seen Christopher's post on the nc6230 suspend and resume - I'm 
> > suffering what looks like the same problem with an Asus pro31j:
> > 
> > 1/ Suspend to S1 and resume works fine
> > 2/ Suspend to S3 and resume works *but* I have no video thereafer.
> > 
> > I've have these set:
> > 
> > hw.syscons.sc_no_suspend_vtswitch=1
> > hw.acpi.reset_video: 1
> > 
> > 
> > plus the ata-resume patch:
> > 
> > http://people.freebsd.org/~jhb/patches/ata_resume.patch
> > 
> > I know S3 is resuming ok, as I can ssh in via re0 interface and check 
> > the message log:
> > 
> > Jun 28 14:50:04 zul acpi: suspend to 0x03 at 20080628 14:50:04
> > Jun 28 14:53:41 zul kernel: wakeup from sleeping state (slept 00:03:30)
> > Jun 28 14:53:43 zul acpi: resumed from 0x03 at 20080628 14:53:43
> > 
> > (I've patched rc.suspend and rc.resume to log both $subsystem and $state)
> > 
> > 
> > I have not tried setting:
> > 
> > hw.acpi.video.lcd0.active=1
> > 
> > as I have no such sysctl oid!
> 
> You have to use the acpi_video(4) driver (kldload acpi_device or 'device 
> acpi_video').  Your BIOS also has to provide video control via ACPI.

I feel nervous correcting jhb, but I think he had a metal mis-fire
here. I believe that he meant to say "You have to use the acpi_video(4)
driver (kldload acpi_video)".

In my case, I have acpi_video_load="YES" in /boot/loader.conf (brining
the ways to do this up to 3).
-- 
R. Kevin Oberman, Network Engineer
Energy Sciences Network (ESnet)
Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab)
E-mail: oberman at es.net			Phone: +1 510 486-8634
Key fingerprint:059B 2DDF 031C 9BA3 14A4  EADA 927D EBB3 987B 3751
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