Resume with ACPI doesn't work on ThinkPad R50e

[Kevin Oberman]

> Date: Wed, 8 Jun 2005 23:17:40 +0200
> From: Marcin Jessa <lists at yazzy.org>
> Sender: owner-freebsd-mobile at freebsd.org
> 
> Hi.
> 
> I've Thinkpad R50e and I am struggeling to make resume work on it.
> I'm on FreeBSD 6.0-CURRENT #2: Wed Jun  8 21:12:11 CEST 2005  (built on sources from a couple of hours ago).
> I am able to change the speed of CPU and put the laptop in sleep mode with acpiconf -s 3 (S1, S2 and S3 are supported).
> The problem is it never manages to fully wake up from the sleep mode. 
> I tried with and without X running with the same result. 
> It wakes up, I can hear the drives spin, the screen is turned on but the laptop is still frozen. 
> The keayboard is unaccessible.
> I dont have apm enabled in the kernel.
> Those are the values in my sysctl.conf:
> hw.pci.do_powerstate=1
> hw.acpi.lid_switch_state=S3
> hw.acpi.standby_state=S1
> hw.acpi.suspend_state=S3
> hw.acpi.sleep_button_state=S3
> vfs.usermount=1
> hw.acpi.sleep_delay=3
> 
> device.hints has hint.apm.0.disabled="0"
> 
> In the dmesg I can also see many occurances of
> ichss0: transition to 1 failed
> I think that begun after I added device cpufreq to my kernel config.
> 
> I also followed http://www.iosn.net/Members/kaeru/articles/freebsd/x40/index_html but with no luck.
> 
> Any ideas how to make resume work?

Just some suggestions that might (or might not) help.

Play with hw.acpi.reset_video and hw.syscons.sc_no_suspend_vtswitch. You
may find that you need the jhb acpi_video_dpms patch.

I have the following /boot/loader.conf on my T30:
cpufreq_load="YES"
vesa_load="YES"
snd_ich_load="YES"
acpi_video_load="YES"
acpi_ibm_load="YES" (This is NOT required for resume, but it is nice for
                     a few things. It is the recently posted test
                     version and I don't think it's been committed.)

I have the following in my /etc/sysctl.conf on my T30:
hw.acpi.reset_video=0
hw.syscons.sc_no_suspend_vtswitch=1
hw.acpi.lid_switch_state=NONE
hw.pci.do_powerstate=1

I do notice that I need to switch from my X display to a vty and back
after a resume to get the display back. (CTRL-ALT-F1, ALT-F9)
The SpeedStep errors are troubling. I have not seen any other reports of
this.
-- 
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