Date: Sat, 25 Nov 2006 19:46:15 -0500 (EST) From: doug@safeport.com To: Erik Norgaard <norgaard@locolomo.org> Cc: FreeBSD Questions <questions@freebsd.org> Subject: Re: ACPI: Standby, sleep, suspend and resume Message-ID: <20061125194239.W56001@fledge.watson.org> In-Reply-To: <20061125185613.Y46748@fledge.watson.org> References: <456875F3.8040908@locolomo.org> <20061125185613.Y46748@fledge.watson.org>
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On Sat, 25 Nov 2006, doug wrote:
> On Sat, 25 Nov 2006, Erik Norgaard wrote:
>
>> Hi:
>>
>> I have the following sysctl parameters:
>>
>> hw.acpi.supported_sleep_state: S3 S4 S5
>> hw.acpi.power_button_state: S5
>> hw.acpi.sleep_button_state: S3
>> hw.acpi.lid_switch_state: NONE
>> hw.acpi.standby_state: S1
>> hw.acpi.suspend_state: S3
>> hw.acpi.sleep_delay: 1
>>
>> First, I'd like that the screen is switched off when the lid closes, so I
>> assume that I should set hw.acpi.lid_switch_state to something, but I don't
>> know what.
>>
>> Second: Is there a way to manually toggle the sleep state so I can create a
>> menu item "sleep" or "standby"?
>>
>> Last: When the laptop goes into some suspend mode - I don't know which - I
>> don't know how to bring it back alive except for rebooting. What is the
>> secret key combination? (typically).
>>
>> Thanks, Erik
>
> These are my settings. This is for a thinkpad T42p, your settings may be
> slightly different.
>
> sysctl:
>
> hw.acpi.supported_sleep_state: S3 S4 S5
> hw.acpi.power_button_state: S5
> hw.acpi.sleep_button_state: S3
> hw.acpi.lid_switch_state: NONE
> hw.acpi.standby_state: S1
> hw.acpi.suspend_state: S3
> hw.acpi.sleep_delay: 3
>
> /boot/loader.conf
>
> snd_ich_load="YES"
> if_ipw_load="YES"
> wlan_load="YES"
> wlan_wep_load="YES"
> acpi_ibm_load="YES" <---- for thinkpad
>
> If I close the lid the T42p goes to standby, opening wakes up. The sleep
> button fn-F4 does a suspend, again opening the lid does a resume. I have not
> figured out suspend to disk but for my purposes suspend draws power so
> slowly, I have not bothered.
>
> It may be that you do need something set for hw.acpi.lid_switch_state, I do
> not. Resume does not correctly redraw the X-windows background, but it
> writing this I noticed I put:
>
> notify 10 {
> match "system" "ACPI";
> match "subsystem" "Lid";
> action "/usr/X11R6/bin/xrandr -display :0.0 -s 0";
> };
>
> inside of the comments in /etc/devd.conf.
>
> I got most of my information from:
>
> http://www.cs.ucr.edu/~trep/tsrT40freebsd.html
> google
> various Linux sites talking about thinkpads
The devd.conf change works. Trying to help you helped me. I hope this
information aids you as well. Without the xrandr, I got black and white stripes
randomly for the background.
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