RE: Desktop and S3 suspend the Holy Grail of ACPI?

RE: Desktop and S3 suspend the Holy Grail of ACPI?

[Ow Mun Heng]

> -----Original Message-----
> From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
> Sent: Tuesday, March 02, 2004 10:09 AM
> To: Pavel Machek
> Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
> 
> 
> Pavel Machek wrote:
> 
> >Hi!
> >
> >  
> >
> >>>>I tried playing with suspend to disk in kernel 2.6.3. It 
> was a no go. I 
> >>>>have highmem enabled on this machine which has 1 gig of RAM.
> >>>>Going to try pmdisk.
> >>>>  
> >>>>
> >>>>        
> >>>>
> >>>Forget pmdisk, that will not work anyway. Try running 
> without highmem
> >>>(at least for a test).
> >>>      
> >>>
> >
> >  
> >
> >>Should I also disable preemption?
> >>    
> >>
> >
> >Yes.
> >								Pavel
> >
> >  
> >
> Pavel, I'm having some trouble understanding the swsusp.txt file. It 
> states: " You must explicitly specify the swap partition to 
> resume from with
> ``resume='' kernel option."
> 
> my swap partition resides in /dev/hda4
> 
> So I think  I need to do something like this?
> # Boot up Linux by default.
> #
> default=Linux
> 
> image=/vmlinuz
>         label=Linux
>         read-only
> append="hda=autotune resume=/dev/hda4"   <---- added this

That's the way I'm doing it on Grub 


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Ow Mun Heng wrote:

>  
>
>>-----Original Message-----
>>From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
>>Sent: Tuesday, March 02, 2004 10:09 AM
>>To: Pavel Machek
>>Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>>Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
>>
>>
>>Pavel Machek wrote:
>>
>>    
>>
>>>Hi!
>>>
>>> 
>>>
>>>      
>>>
>>>>>>I tried playing with suspend to disk in kernel 2.6.3. It 
>>>>>>            
>>>>>>
>>was a no go. I 
>>    
>>
>>>>>>have highmem enabled on this machine which has 1 gig of RAM.
>>>>>>Going to try pmdisk.
>>>>>> 
>>>>>>
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>Forget pmdisk, that will not work anyway. Try running 
>>>>>          
>>>>>
>>without highmem
>>    
>>
>>>>>(at least for a test).
>>>>>     
>>>>>
>>>>>          
>>>>>
>>> 
>>>
>>>      
>>>
>>>>Should I also disable preemption?
>>>>   
>>>>
>>>>        
>>>>
>>>Yes.
>>>								Pavel
>>>
>>> 
>>>
>>>      
>>>
>>Pavel, I'm having some trouble understanding the swsusp.txt file. It 
>>states: " You must explicitly specify the swap partition to 
>>resume from with
>>``resume='' kernel option."
>>
>>my swap partition resides in /dev/hda4
>>
>>So I think  I need to do something like this?
>># Boot up Linux by default.
>>#
>>default=Linux
>>
>>image=/vmlinuz
>>        label=Linux
>>        read-only
>>append="hda=autotune resume=/dev/hda4"   <---- added this
>>    
>>
>
>That's the way I'm doing it on Grub 
>
>  
>
Then it should automatically resume next time the power button is 
pressed, no other options need to be passed at the LILO prompt?


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RE: Desktop and S3 suspend the Holy Grail of ACPI?

[Ow Mun Heng]

> -----Original Message-----
> From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
> Sent: Tuesday, March 02, 2004 11:18 AM
> 
> Ow Mun Heng wrote:
> 
> Ok, it seems to work with a 2.6.3 kernel; highmem and 
> preemtion disabled.
> Can I ask you how you have USB enabled? Compiled into the 
> kernel or as 
> modules?
> I could have sworn I erad something about ACPI swsusp and USB 
> conflicts.
> 
> Do you use swsusp constantly, and do you find reliable so far?


Hmm.. Sorry.. I just reread your subject line.. It 
says.. S3 suspend.I've not been able to get that to work. 
(Still have not experimented a lot) and Yes.. you heard
right.

Currently Have got S4 to work.. Suspend to disk. I think it's also 
swsusp. (or swap suspend)

Refer to my thread "success: S4 on D600" or somethinglike that.

USB/eth is modules. rmmod the eth mod before S4'ing.
S3/S1 hangs on resume. Hangs as in Console/X/graphics.

I suspend only a few times.. Just got it working like On Sunday.
and today's Tuesday.. :)


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Ow Mun Heng wrote:

>  
>
>>-----Original Message-----
>>From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
>>Sent: Tuesday, March 02, 2004 11:18 AM
>>
>>Ow Mun Heng wrote:
>>
>>Ok, it seems to work with a 2.6.3 kernel; highmem and 
>>preemtion disabled.
>>Can I ask you how you have USB enabled? Compiled into the 
>>kernel or as 
>>modules?
>>I could have sworn I erad something about ACPI swsusp and USB 
>>conflicts.
>>
>>Do you use swsusp constantly, and do you find reliable so far?
>>    
>>
>
>
>Hmm.. Sorry.. I just reread your subject line.. It 
>says.. S3 suspend.I've not been able to get that to work. 
>(Still have not experimented a lot) and Yes.. you heard
>right.
>
>Currently Have got S4 to work.. Suspend to disk. I think it's also 
>swsusp. (or swap suspend)
>
>Refer to my thread "success: S4 on D600" or somethinglike that.
>
>USB/eth is modules. rmmod the eth mod before S4'ing.
>S3/S1 hangs on resume. Hangs as in Console/X/graphics.
>
>I suspend only a few times.. Just got it working like On Sunday.
>and today's Tuesday.. :)
>
>  
>
Thank you.


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RE: Desktop and S3 suspend the Holy Grail of ACPI?

[Ow Mun Heng]

> -----Original Message-----
> From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
> Sent: Tuesday, March 02, 2004 10:57 AM
> To: Ow Mun Heng
> Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
> 
> 
> Ow Mun Heng wrote:
> 
> >  
> >
> >>-----Original Message-----
> >>From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
>Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
> >>Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
> >>
> >>
> >>Pavel Machek wrote:
> >>
> >>    
> >>
> >>>Hi!
> >>>
> >>> 
> >>>
> >>>      
> >>>
> >>>>>>I tried playing with suspend to disk in kernel 2.6.3. It 
> >>>>>>            
> >>>>>>
> >>was a no go. I 
> >>    
> >>
> >>>>>>have highmem enabled on this machine which has 1 gig of RAM.
> >>>>>>Going to try pmdisk.
> >>>>>> 
> >>>>>>
> >>>>>>       
> >>>>>>
> >>>>>>            
> >>>>>>
> >>>>>Forget pmdisk, that will not work anyway. Try running 
> >>>>>          
> >>>>>
> >>without highmem
> >>    
> >>
> >>>>>(at least for a test).
> >>>>>     
> >>>>>
> >>>>>          
> >>>>>
> >>> 
> >>>
> >>>      
> >>>
> >>>>Should I also disable preemption?
> >>>>   
> >>>>
> >>>>        
> >>>>
> >>>Yes.
> >>>								Pavel
> >>>
> >>> 
> >>>
> >>>      
> >>>
> >>Pavel, I'm having some trouble understanding the swsusp.txt 
> file. It 
> >>states: " You must explicitly specify the swap partition to 
> >>resume from with
> >>``resume='' kernel option."
> >>
> >>my swap partition resides in /dev/hda4
> >>
> >>So I think  I need to do something like this?
> >># Boot up Linux by default.
> >>#
> >>default=Linux
> >>
> >>image=/vmlinuz
> >>        label=Linux
> >>        read-only
> >>append="hda=autotune resume=/dev/hda4"   <---- added this
> >>    
> >>
> >
> >That's the way I'm doing it on Grub 
> >
> >  
> >
> Then it should automatically resume next time the power button is 
> pressed, no other options need to be passed at the LILO prompt?


Yep.. Er.. I'm using Grub.. but that should be not-related.


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Ow Mun Heng wrote:

>  
>
>>-----Original Message-----
>>From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
>>Sent: Tuesday, March 02, 2004 10:57 AM
>>To: Ow Mun Heng
>>Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>>Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
>>
>>
>>Ow Mun Heng wrote:
>>
>>    
>>
>>> 
>>>
>>>      
>>>
>>>>-----Original Message-----
>>>>From: Nick Lidakis [mailto:nlidakis-H+0wwilmMs3R7s880joybQ@public.gmane.org]
>>>>        
>>>>
>>Cc: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>>    
>>
>>>>Subject: Re: [ACPI] Desktop and S3 suspend the Holy Grail of ACPI?
>>>>
>>>>
>>>>Pavel Machek wrote:
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>>>>Hi!
>>>>>
>>>>>
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>>>I tried playing with suspend to disk in kernel 2.6.3. It 
>>>>>>>>           
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>was a no go. I 
>>>>   
>>>>
>>>>        
>>>>
>>>>>>>>have highmem enabled on this machine which has 1 gig of RAM.
>>>>>>>>Going to try pmdisk.
>>>>>>>>
>>>>>>>>
>>>>>>>>      
>>>>>>>>
>>>>>>>>           
>>>>>>>>
>>>>>>>>                
>>>>>>>>
>>>>>>>Forget pmdisk, that will not work anyway. Try running 
>>>>>>>         
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>without highmem
>>>>   
>>>>
>>>>        
>>>>
>>>>>>>(at least for a test).
>>>>>>>    
>>>>>>>
>>>>>>>         
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>>>Should I also disable preemption?
>>>>>>  
>>>>>>
>>>>>>       
>>>>>>
>>>>>>            
>>>>>>
>>>>>Yes.
>>>>>								Pavel
>>>>>
>>>>>
>>>>>
>>>>>     
>>>>>
>>>>>          
>>>>>
>>>>Pavel, I'm having some trouble understanding the swsusp.txt 
>>>>        
>>>>
>>file. It 
>>    
>>
>>>>states: " You must explicitly specify the swap partition to 
>>>>resume from with
>>>>``resume='' kernel option."
>>>>
>>>>my swap partition resides in /dev/hda4
>>>>
>>>>So I think  I need to do something like this?
>>>># Boot up Linux by default.
>>>>#
>>>>default=Linux
>>>>
>>>>image=/vmlinuz
>>>>       label=Linux
>>>>       read-only
>>>>append="hda=autotune resume=/dev/hda4"   <---- added this
>>>>   
>>>>
>>>>        
>>>>
>>>That's the way I'm doing it on Grub 
>>>
>>> 
>>>
>>>      
>>>
>>Then it should automatically resume next time the power button is 
>>pressed, no other options need to be passed at the LILO prompt?
>>    
>>
>
>
>Yep.. Er.. I'm using Grub.. but that should be not-related.
>
>
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>_______________________________________________
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>
>  
>
Ok, it seems to work with a 2.6.3 kernel; highmem and preemtion disabled.
Can I ask you how you have USB enabled? Compiled into the kernel or as 
modules?
I could have sworn I erad something about ACPI swsusp and USB conflicts.

Do you use swsusp constantly, and do you find reliable so far?





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RE: Desktop and S3 suspend the Holy Grail of ACPI?

[Yu, Luming]

> 
> You can enable S1/S3 with SMP with the "noirqbalance" boot 
> parameter (to
> disable kirqd which refuses to die during suspend) and this patch:


As far as i know, software suspend/resume support for SMP haven't been
done right now.

--Luming


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Desktop and S3 suspend the Holy Grail of ACPI?

[nick]

I am new to ACPI but I have searched the archives, looked at the MAN 
pages used Google to the best of
my abilities and I still have some questions about ACPI. My basic goal 
is to be able
to suspend my desktop machine to S3 when not in use. I need to use the
machine several times throughout the day, and feel it is a waste to leave
it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
2.6.2 kernels available, both with ACPI compiled as modules. Pressing
the power button once gracefully shuts down the machine running either 
kernel.

After reading the documentation, I am still not sure how to try to
suspend to S3. Is there anyone with this motherboard succesfully using
S3 suspend? Is it reliable and stable, suspend after suspend.
Is S3 suspend with Linux on the desktop the Holy Grail of ACPI? The
machines suspends to S3 in Windows 2000 Pro, also shuts all the fans
down too, totally silent.

Any advice would be appreciated.
Can anyone recommend any Pentium 3/4 desktop motherboard that will S3 
reliably in Linux?

If this is not possible yet, are there any other Linux hardware problems 
where S3 works reliably?

Nick




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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Bruno Ducrot]

On Sun, Feb 22, 2004 at 01:27:37PM -0500, nick wrote:
> I am new to ACPI but I have searched the archives, looked at the MAN 
> pages used Google to the best of
> my abilities and I still have some questions about ACPI. My basic goal 
> is to be able
> to suspend my desktop machine to S3 when not in use. I need to use the
> machine several times throughout the day, and feel it is a waste to leave
> it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
> Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
> 2.6.2 kernels available, both with ACPI compiled as modules. Pressing
> the power button once gracefully shuts down the machine running either 
> kernel.
> 
> After reading the documentation, I am still not sure how to try to
> suspend to S3. Is there anyone with this motherboard succesfully using
> S3 suspend? Is it reliable and stable, suspend after suspend.
> Is S3 suspend with Linux on the desktop the Holy Grail of ACPI? The
> machines suspends to S3 in Windows 2000 Pro, also shuts all the fans
> down too, totally silent.
> 
> Any advice would be appreciated.
> Can anyone recommend any Pentium 3/4 desktop motherboard that will S3 
> reliably in Linux?
> 
> If this is not possible yet, are there any other Linux hardware problems 
> where S3 works reliably?
> 

There is at least one problem for which I don't think that you will have
S3 working even in the near future.
You do have a radeon 9700 and due to lack of supports by ATI those days,
I don't see how a developper can include power management codes in any
drivers other than by a cycle of guess, then try and guess again what
happens on errors.
Note that S3 may work though if you do not have AGPGART compiled,
and you do not use any kind of binary-only drm drivers from ATI.

Cheers,

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Bruno Ducrot wrote:

>
>There is at least one problem for which I don't think that you will have
>S3 working even in the near future.
>You do have a radeon 9700 and due to lack of supports by ATI those days,
>I don't see how a developper can include power management codes in any
>drivers other than by a cycle of guess, then try and guess again what
>happens on errors.
>Note that S3 may work though if you do not have AGPGART compiled,
>and you do not use any kind of binary-only drm drivers from ATI.
>
>Cheers,
>
>  
>
Would an older ATI card, like a Rage 128 Pro or original Radeon (7000 I
believe) work?



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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Bruno Ducrot]

On Sun, Feb 22, 2004 at 09:02:57PM -0500, Nick Lidakis wrote:
> Bruno Ducrot wrote:
> 
> >
> >There is at least one problem for which I don't think that you will have
> >S3 working even in the near future.
> >You do have a radeon 9700 and due to lack of supports by ATI those days,
> >I don't see how a developper can include power management codes in any
> >drivers other than by a cycle of guess, then try and guess again what
> >happens on errors.
> >Note that S3 may work though if you do not have AGPGART compiled,
> >and you do not use any kind of binary-only drm drivers from ATI.
> >
> >Cheers,
> >
> > 
> >
> Would an older ATI card, like a Rage 128 Pro or original Radeon (7000 I
> believe) work?
> 

Yes.  The radeon 7000 should be ok, and to be fair for ATI, they have
rewritten and given back the portion for this on the new radeon frame
buffer.

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Len Brown]

On Sun, 2004-02-22 at 13:27, nick wrote:
> I am new to ACPI but I have searched the archives, looked at the MAN 
> pages used Google to the best of
> my abilities and I still have some questions about ACPI. My basic goal 
> is to be able
> to suspend my desktop machine to S3 when not in use. I need to use the
> machine several times throughout the day, and feel it is a waste to leave
> it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
> Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
> 2.6.2 kernels available, both with ACPI compiled as modules. Pressing
> the power button once gracefully shuts down the machine running either 
> kernel.
> 
> After reading the documentation, I am still not sure how to try to
> suspend to S3. Is there anyone with this motherboard succesfully using
> S3 suspend? Is it reliable and stable, suspend after suspend.
> Is S3 suspend with Linux on the desktop the Holy Grail of ACPI? The
> machines suspends to S3 in Windows 2000 Pro, also shuts all the fans
> down too, totally silent.
> 
> Any advice would be appreciated.
> Can anyone recommend any Pentium 3/4 desktop motherboard that will S3 
> reliably in Linux?
> 
> If this is not possible yet, are there any other Linux hardware problems 
> where S3 works reliably?

I've got a laptop running Fedora Core 2 out of the box, and all I do is

# echo 3 >/proc/acpi/sleep
and I use the power button to wake it up.

I've also got a D875PBZ, however

[root-BJIgRQarj28@public.gmane.org /]# echo -n 3 >/proc/acpi/sleep
Stopping tasks: ==============================
 stopping tasks failed (1 tasks remaining)
Restarting tasks...<6> Strange, katad-1 not stopped
 done
[root-BJIgRQarj28@public.gmane.org /]#

which I guess is due to its SATA boot drive.
Do you have a regular PATA drive?

cheers,
-Len




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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Len Brown wrote:

>>    
>>
>
>I've got a laptop running Fedora Core 2 out of the box, and all I do is
>
># echo 3 >/proc/acpi/sleep
>and I use the power button to wake it up.
>
>I've also got a D875PBZ, however
>
>[root-BJIgRQarj28@public.gmane.org /]# echo -n 3 >/proc/acpi/sleep
>Stopping tasks: ==============================
> stopping tasks failed (1 tasks remaining)
>Restarting tasks...<6> Strange, katad-1 not stopped
> done
>[root-BJIgRQarj28@public.gmane.org /]#
>
>which I guess is due to its SATA boot drive.
>Do you have a regular PATA drive?
>
>cheers,
>-Len
>
>
>
>  
>
Yes I do have regular PATA drives. Could you give me the details on your 
configuration? Other hardware, kernel and patches applied?

Thanks.



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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Len Brown]

> > ...D875PBZ...

On this box S1 works for me, but S3 doesn't resume (below)

Note that you need to enable S3 in the BIOS SETUP to try S3.

Note that neither S1 nor S3 will do anything on the SMP kernel.
(and unfortunately, they will not even tell you that when you try)

-Len

BIOS SETUP: Power/ACPI
ACPI Suspend State [S3 State] (default is S1)

boot FC2-test1 UP kernel

# cat /proc/acpi/sleep
S0 S1 S3 S4 S5

# /etc/init.d/acpid stop
(to make power button resume event not initiate a shut-down)

# echo 1 >/proc/acpi/sleep
Stopping tasks: ================================|
psmouse.c: bad data from KBC - timeout bad parity
hdc: start_power_step(step: 0)
hdc: completing PM request, suspend
hda: start_power_step(step: 0)
hda: start_power_step(step: 1)
hda: complete_power_step(step: 1, stat: 50, err: 0)
hda: completing PM request, suspend
psmouse.c: bad data from KBC - timeout bad parity
psmouse.c: bad data from KBC - timeout bad parity
PM: Entering state.
i8042.c: Can't restore CTR.


<press power button here to resume>


Back to C!
i8042.c: Can't read CTR while initializing i8042.
i8042: resume failed
PM: Finishing up.
PCI: Setting latency timer of device 0000:00:1d.0 to 64
PCI: Setting latency timer of device 0000:00:1d.1 to 64
PCI: Setting latency timer of device 0000:00:1d.2 to 64
PCI: Setting latency timer of device 0000:00:1d.3 to 64
hda: Wakeup request inited, waiting for !BSY...
hda: start_power_step(step: 1000)
e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex
blk: queue f7dcb5c0, I/O limit 4095Mb (mask 0xffffffff)
hda: completing PM request, resume
hdc: Wakeup request inited, waiting for !BSY...
hdc: start_power_step(step: 1000)
hdc: completing PM request, resume
Restarting tasks... done
#

system running normally here.

now try S3:

# echo 3 >/proc/acpi/sleep
Stopping tasks: =================================|
hdc: start_power_step(step: 0)
hdc: completing PM request, suspend
hda: start_power_step(step: 0)
hda: start_power_step(step: 1)
hda: complete_power_step(step: 1, stat: 50, err: 0)
hda: completing PM request, suspend
PM: Entering state.

<power is off, press power button here to wake up system>

here a bunch of garbled junk comes out my serial console.
But video is not restored to my matrox mystique FB.
ping doesn't work.

Curiously CTRL-ALT-DEL results in the following on the serial console:

quotaoff: numerical sysctl 5 16 8 is obsolete.
md: stopping all md devices.
md: md0 switched to read-only mode.
Restarting system.

<and the system reboots here>

So it seems that the system did resume and talk to the keyboard at
least...





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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Huw Rogers]

You can enable S1/S3 with SMP with the "noirqbalance" boot parameter (to
disable kirqd which refuses to die during suspend) and this patch:

diff -Nru a/kernel/power/main.c b/kernel/power/main.c
--- a/kernel/power/main.c	2004-01-09 01:59:19.000000000 -0500
+++ b/kernel/power/main.c	2004-01-25 19:59:35.000000000 -0500
@@ -144,11 +144,13 @@
 	if (down_trylock(&pm_sem))
 		return -EBUSY;
 
+#if 0
 	/* Suspend is hard to get right on SMP. */
 	if (num_online_cpus() != 1) {
 		error = -EPERM;
 		goto Unlock;
 	}
+#endif
 
 	if (state == PM_SUSPEND_DISK) {
 		error = pm_suspend_disk();

-Huw
-- 
Huw Rogers <count0-tC47gz4GrgtWk0Htik3J/w@public.gmane.org>



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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Len Brown wrote:

>>>...D875PBZ...
>>>      
>>>
>
>On this box S1 works for me, but S3 doesn't resume (below)
>
>Note that you need to enable S3 in the BIOS SETUP to try S3.
>
>  
>
I do have S3 enabled in the BIOS. I just grabbed Debian's 
kernel-source-2.6.3 and compiled it without SMP support. cat 
/sys/power/state gives me standby mem disk.
I tried echo -n disk /sys/power/state (as per the ACPI docs on 
sourceforge) and the system did try to write the contents to disk, but 
failed. I then realized I don't have enough swap space, which I will try 
to exapnd later.

I then tried eco -n mem > /sys/power/state and the machine basically 
shuts down (completely off I think) so fast that I don't get a chance to 
see any console messages. Doesn't resume when I hit a key. If I try to 
hit the power button once, the machine beeps hi-lo (BIOS error I guess?) 
without booting. I have to then hold the power swithc for 4 seconds, 
then turn it on again.

Doing:
# /etc/init.d/acpid stop
echo -n standby > /sys/power/state
the machine does go into standy with no error messages.
I am able to resume by hitting the power button once.

Thank you for the  "acpid stop" tip, I never saw it mentioned in the howto.
The only problem is the case fans are still on even though I have the 
fans set for off at low temperature in the BIOS.
I was hoping for a silent sleeping machine; maybe I'll wait an hour and 
see if the case fans do eventually shut off.


>Note that neither S1 nor S3 will do anything on the SMP kernel.
>(and unfortunately, they will not even tell you that when you try)
>
>-Len
>
>BIOS SETUP: Power/ACPI
>ACPI Suspend State [S3 State] (default is S1)
>
>boot FC2-test1 UP kernel
>
># cat /proc/acpi/sleep
>S0 S1 S3 S4 S5
>
># /etc/init.d/acpid stop
>(to make power button resume event not initiate a shut-down)
>
># echo 1 >/proc/acpi/sleep
>Stopping tasks: ================================|
>psmouse.c: bad data from KBC - timeout bad parity
>hdc: start_power_step(step: 0)
>hdc: completing PM request, suspend
>hda: start_power_step(step: 0)
>hda: start_power_step(step: 1)
>hda: complete_power_step(step: 1, stat: 50, err: 0)
>hda: completing PM request, suspend
>psmouse.c: bad data from KBC - timeout bad parity
>psmouse.c: bad data from KBC - timeout bad parity
>PM: Entering state.
>i8042.c: Can't restore CTR.
>
>
><press power button here to resume>
>
>
>Back to C!
>i8042.c: Can't read CTR while initializing i8042.
>i8042: resume failed
>PM: Finishing up.
>PCI: Setting latency timer of device 0000:00:1d.0 to 64
>PCI: Setting latency timer of device 0000:00:1d.1 to 64
>PCI: Setting latency timer of device 0000:00:1d.2 to 64
>PCI: Setting latency timer of device 0000:00:1d.3 to 64
>hda: Wakeup request inited, waiting for !BSY...
>hda: start_power_step(step: 1000)
>e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex
>blk: queue f7dcb5c0, I/O limit 4095Mb (mask 0xffffffff)
>hda: completing PM request, resume
>hdc: Wakeup request inited, waiting for !BSY...
>hdc: start_power_step(step: 1000)
>hdc: completing PM request, resume
>Restarting tasks... done
>#
>
>system running normally here.
>
>now try S3:
>
># echo 3 >/proc/acpi/sleep
>Stopping tasks: =================================|
>hdc: start_power_step(step: 0)
>hdc: completing PM request, suspend
>hda: start_power_step(step: 0)
>hda: start_power_step(step: 1)
>hda: complete_power_step(step: 1, stat: 50, err: 0)
>hda: completing PM request, suspend
>PM: Entering state.
>
><power is off, press power button here to wake up system>
>
>here a bunch of garbled junk comes out my serial console.
>But video is not restored to my matrox mystique FB.
>ping doesn't work.
>
>  
>

This is on the INTEL D875PBZ, is that correct? What kernel version is 
FC2-test1 UP kernel? I am also assuming debian's kernel 2.6.3 would have 
all the latest ACPI patches?

>Curiously CTRL-ALT-DEL results in the following on the serial console:
>
>quotaoff: numerical sysctl 5 16 8 is obsolete.
>md: stopping all md devices.
>md: md0 switched to read-only mode.
>Restarting system.
>
><and the system reboots here>
>
>So it seems that the system did resume and talk to the keyboard at
>least...
>
>
>
>
>  
>
Len, thank you for your detailed responses, much appreciated.


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> I am new to ACPI but I have searched the archives, looked at the MAN 
> pages used Google to the best of
> my abilities and I still have some questions about ACPI. My basic goal 
> is to be able
> to suspend my desktop machine to S3 when not in use. I need to use the
> machine several times throughout the day, and feel it is a waste to leave
> it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
> Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
> 2.6.2 kernels available, both with ACPI compiled as modules. Pressing
> the power button once gracefully shuts down the machine running either 
> kernel.

Try getting suspend-to-disk working, first.
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>  
>
>>I am new to ACPI but I have searched the archives, looked at the MAN 
>>pages used Google to the best of
>>my abilities and I still have some questions about ACPI. My basic goal 
>>is to be able
>>to suspend my desktop machine to S3 when not in use. I need to use the
>>machine several times throughout the day, and feel it is a waste to leave
>>it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
>>Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
>>2.6.2 kernels available, both with ACPI compiled as modules. Pressing
>>the power button once gracefully shuts down the machine running either 
>>kernel.
>>    
>>
>
>Try getting suspend-to-disk working, first.
>								Pavel
>  
>
I am assuming your terse response is meant to imply that swsusp would be 
a better alternative to S3?

I tried playing with suspend to disk in kernel 2.6.3. It was a no go. I 
have highmem enabled on this machine which has 1 gig of RAM.
Going to try pmdisk.


Nick


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> >>I am new to ACPI but I have searched the archives, looked at the MAN 
> >>pages used Google to the best of
> >>my abilities and I still have some questions about ACPI. My basic goal 
> >>is to be able
> >>to suspend my desktop machine to S3 when not in use. I need to use the
> >>machine several times throughout the day, and feel it is a waste to leave
> >>it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
> >>Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
> >>2.6.2 kernels available, both with ACPI compiled as modules. Pressing
> >>the power button once gracefully shuts down the machine running either 
> >>kernel.
> >>   
> >>
> >
> >Try getting suspend-to-disk working, first.

> I am assuming your terse response is meant to imply that swsusp would be 
> a better alternative to S3?

I mean that swsusp is easier to make going than S3, and it is quite
usefull to know if it works for you. If it does not, its unlikely that
S3 will.

> I tried playing with suspend to disk in kernel 2.6.3. It was a no go. I 
> have highmem enabled on this machine which has 1 gig of RAM.
> Going to try pmdisk.

Forget pmdisk, that will not work anyway. Try running without highmem
(at least for a test).
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>  
>
>>>>I am new to ACPI but I have searched the archives, looked at the MAN 
>>>>pages used Google to the best of
>>>>my abilities and I still have some questions about ACPI. My basic goal 
>>>>is to be able
>>>>to suspend my desktop machine to S3 when not in use. I need to use the
>>>>machine several times throughout the day, and feel it is a waste to leave
>>>>it on continuously. The system spec are: Intel D875PBZ, Intel P4 3GHZ,
>>>>Radeonm 9700 pro, Sounblaster Live, Debian unstable with 2.4.23 and
>>>>2.6.2 kernels available, both with ACPI compiled as modules. Pressing
>>>>the power button once gracefully shuts down the machine running either 
>>>>kernel.
>>>>  
>>>>
>>>>        
>>>>
>>>Try getting suspend-to-disk working, first.
>>>      
>>>
>
>  
>
>>I am assuming your terse response is meant to imply that swsusp would be 
>>a better alternative to S3?
>>    
>>
>
>I mean that swsusp is easier to make going than S3, and it is quite
>usefull to know if it works for you. If it does not, its unlikely that
>S3 will.
>
>  
>
>>I tried playing with suspend to disk in kernel 2.6.3. It was a no go. I 
>>have highmem enabled on this machine which has 1 gig of RAM.
>>Going to try pmdisk.
>>    
>>
>
>Forget pmdisk, that will not work anyway. Try running without highmem
>(at least for a test).
>								Pavel
>  
>
Should I also disable preemption?


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> >>I tried playing with suspend to disk in kernel 2.6.3. It was a no go. I 
> >>have highmem enabled on this machine which has 1 gig of RAM.
> >>Going to try pmdisk.
> >>   
> >>
> >
> >Forget pmdisk, that will not work anyway. Try running without highmem
> >(at least for a test).

> Should I also disable preemption?

Yes.
								Pavel

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[count0-tC47gz4GrgtWk0Htik3J/w]

>> >>I tried playing with suspend to disk in kernel 2.6.3. It was a no
>> >>go. I  have highmem enabled on this machine which has 1 gig of RAM.
>> >>Going to try pmdisk.
>> >>
>> >>
>> >
>> >Forget pmdisk, that will not work anyway. Try running without highmem
>> >(at least for a test).
>
>> Should I also disable preemption?
>
> Yes.

WHY???





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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> >> >>I tried playing with suspend to disk in kernel 2.6.3. It was a no
> >> >>go. I  have highmem enabled on this machine which has 1 gig of RAM.
> >> >>Going to try pmdisk.
> >> >>
> >> >>
> >> >
> >> >Forget pmdisk, that will not work anyway. Try running without highmem
> >> >(at least for a test).
> >
> >> Should I also disable preemption?
> >
> > Yes.
> 
> WHY???

Why shouting and 3x"?"?

It should work with preemption, but preemptive kernel is slightly
harder than usual. If he wants to get it to work, it is best to
disable preemption.

								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>  
>
>>>>I tried playing with suspend to disk in kernel 2.6.3. It was a no go. I 
>>>>have highmem enabled on this machine which has 1 gig of RAM.
>>>>Going to try pmdisk.
>>>>  
>>>>
>>>>        
>>>>
>>>Forget pmdisk, that will not work anyway. Try running without highmem
>>>(at least for a test).
>>>      
>>>
>
>  
>
>>Should I also disable preemption?
>>    
>>
>
>Yes.
>								Pavel
>
>  
>
Pavel, I'm having some trouble understanding the swsusp.txt file. It 
states: " You must explicitly specify the swap partition to resume from with
``resume='' kernel option."

my swap partition resides in /dev/hda4

So I think  I need to do something like this?
# Boot up Linux by default.
#
default=Linux

image=/vmlinuz
        label=Linux
        read-only
append="hda=autotune resume=/dev/hda4"   <---- added this
#       restricted
#       alias=1

image=/vmlinuz.old
        label=LinuxOld
        read-only
append="ide0=ata100 hda=autotune"      
        optional
#       restricted
#       alias=2


image=/2.4.23
        label=2.4.23
        read-only
        optional


Is this correct, or do i pass the resume option at boot time as a LILO 
option?

Nick




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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> >>Should I also disable preemption?
> >
> >Yes.

> Pavel, I'm having some trouble understanding the swsusp.txt file. It 
> states: " You must explicitly specify the swap partition to resume from with
> ``resume='' kernel option."
> 
> my swap partition resides in /dev/hda4
> 
> So I think  I need to do something like this?
> # Boot up Linux by default.
> #
> default=Linux
> 
> image=/vmlinuz
>        label=Linux
>        read-only
> append="hda=autotune resume=/dev/hda4"   <---- added this
> #       restricted
> #       alias=1
> 
> Is this correct, or do i pass the resume option at boot time as a LILO 
> option?

It is correct.
								Pavel

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>  
>
>>>>Should I also disable preemption?
>>>>        
>>>>
>>>Yes.
>>>      
>>>
>
>  
>
>>Pavel, I'm having some trouble understanding the swsusp.txt file. It 
>>states: " You must explicitly specify the swap partition to resume from with
>>``resume='' kernel option."
>>
>>my swap partition resides in /dev/hda4
>>
>>So I think  I need to do something like this?
>># Boot up Linux by default.
>>#
>>default=Linux
>>
>>image=/vmlinuz
>>       label=Linux
>>       read-only
>>append="hda=autotune resume=/dev/hda4"   <---- added this
>>#       restricted
>>#       alias=1
>>
>>Is this correct, or do i pass the resume option at boot time as a LILO 
>>option?
>>    
>>
>
>It is correct.
>								Pavel
>
>  
>
As a test I suspened the machine twice; each time the machine was off 
for approximately 5 minutes. It resumed twice without any problems (into 
X with a mozilla and xmms)
As another test, I opned up a few apps in different workspaces: abiword 
with a document, mozilla browser and mail, xmms playing an internet 
stream. I then suspended in hopes of resuming the next day after school. 
After about 14hrs I tried to resume, and everything seemed fine, excpet 
my USB mouse was unrespnsive. I was able to brinx X down into a working 
console, startx again, but still no mouse.

In debian kernel 2.6.3 I have the NIC and USB options compiled in. 
Should these be modules that are removed before swsusp?
There's aslo mention of a swsusp script, but was unable to find one in 
../Documentation/power or via apt-cache search; I'm assuming that I need 
this script, which will remove the modules before swsusp and modprobe 
them after resume.

Thank you for your time and patience.


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!

> As a test I suspened the machine twice; each time the machine was off 
> for approximately 5 minutes. It resumed twice without any problems (into 
> X with a mozilla and xmms)
> As another test, I opned up a few apps in different workspaces: abiword 
> with a document, mozilla browser and mail, xmms playing an internet 
> stream. I then suspended in hopes of resuming the next day after school. 
> After about 14hrs I tried to resume, and everything seemed fine, excpet 
> my USB mouse was unrespnsive. I was able to brinx X down into a working 
> console, startx again, but still no mouse.
> 
> In debian kernel 2.6.3 I have the NIC and USB options compiled in. 
> Should these be modules that are removed before swsusp?
> There's aslo mention of a swsusp script, but was unable to find one in 
> ../Documentation/power or via apt-cache search; I'm assuming that I need 
> this script, which will remove the modules before swsusp and modprobe 
> them after resume.

You should not need any script; but it probably has better chance
working with USB modules removed. Anyway that's a bug in USB support,
ask on USB list.

								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>  
>
>>As a test I suspened the machine twice; each time the machine was off 
>>for approximately 5 minutes. It resumed twice without any problems (into 
>>X with a mozilla and xmms)
>>As another test, I opned up a few apps in different workspaces: abiword 
>>with a document, mozilla browser and mail, xmms playing an internet 
>>stream. I then suspended in hopes of resuming the next day after school. 
>>After about 14hrs I tried to resume, and everything seemed fine, excpet 
>>my USB mouse was unrespnsive. I was able to brinx X down into a working 
>>console, startx again, but still no mouse.
>>
>>In debian kernel 2.6.3 I have the NIC and USB options compiled in. 
>>Should these be modules that are removed before swsusp?
>>There's aslo mention of a swsusp script, but was unable to find one in 
>>../Documentation/power or via apt-cache search; I'm assuming that I need 
>>this script, which will remove the modules before swsusp and modprobe 
>>them after resume.
>>    
>>
>
>You should not need any script; but it probably has better chance
>working with USB modules removed. Anyway that's a bug in USB support,
>ask on USB list.
>
>								Pavel
>  
>
OK, heres what works so far on plain vanilla 2.6.3 with 2.6.3 acpi patch 
applied; smp ans preemption disabled, eth0 e1000 and usb as modules.

S1 goes into standyby, after issuing /etc/init.d/acpi stop, but the fans 
stay on (as they also do in Win2k when standby is set to S1 in bios); 
seems to reliably resume, but it's too niosy for a computer that is 
essentialy in the bedroom.

S4 works , but I have to unload the USB modules buy hand ( I also unload 
eth0 e1000 to be safe) and modprobe them after resume. Resume takes a 
little longer than a normal boot up, but it saves me time insofar as 
opening the applications I comonly use.

Still no S3, which is what I'm really gunning for; either echo -n mem > 
/sys/power/state or echo 3 > /proc/acpi/sleep now results in the machine 
locking up after a series of messages,
something to the effect of: resuming from /dev/hda4
                                           Resuming from device hda4
                                           Resume Machine: This is 
normal swap
                                           ACPI: (supports S0 S1 S3 S4 S5)
                                           Stopping tasks: 
==========================|
                                           hdd: start_power_step (step.o)
 and a few more lines concerning hdd and hdc, I had to copy all this 
down on pen and paper.

A couple of things I noticed, with the Debian 2.6.3 kernel trying to S3 
resulted in a shutdown, now with ACPI patch and vanilla 2.6.3, it hangs 
and results in said messages. S4 takes takes more than couple of minutes 
longer to compete with the vanillas kernel, I thought the machine locked 
up, but decided to wait a few more minutes, and it seemed to finish the 
swsusp.
I did see a few messages relating to "Badness" but didn't get a chance 
to write them down.

So if there's anything you guys -- who have been more than helpful btw 
-- would like me to try as far as getting S3 functional, I'm all ears. 
I'm also assuming I need some kind of script for S4 to unload the USB 
and NIC modules, stop acpid, then revers all that upon resume. Is this 
something I'm going to have to write myself?

Thanks in advance.

Nick


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Nick Lidakis wrote:
S4 takes takes more than couple of minutes longer to compete with the 
vanillas kernel

Thats was a typo, the Debian kernel is faster, and the vanilla kernel w/ 
acpi 2.6.3 patch takes significantly longer to finish the swsusp, but it 
does finish it.


Nick


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Pavel Machek]

Hi!


> So if there's anything you guys -- who have been more than helpful btw 
> -- would like me to try as far as getting S3 functional, I'm all ears. 
> I'm also assuming I need some kind of script for S4 to unload the USB 
> and NIC modules, stop acpid, then revers all that upon resume. Is this 
> something I'm going to have to write myself?

Well, ideally you should not workaround e1000/usb problems with
scripts, but add driver model support to both of those.

You may want to try S3 with those two modules unloaded. There's some
chance it resumes with video not working (you can tell by typing find
/ -- if hdd starts flashing, machine is okay but no video).
								Pavel
-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]


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Re: Desktop and S3 suspend the Holy Grail of ACPI?

[Nick Lidakis]

Pavel Machek wrote:

>Hi!
>
>
>  
>
>>So if there's anything you guys -- who have been more than helpful btw 
>>-- would like me to try as far as getting S3 functional, I'm all ears. 
>>I'm also assuming I need some kind of script for S4 to unload the USB 
>>and NIC modules, stop acpid, then revers all that upon resume. Is this 
>>something I'm going to have to write myself?
>>    
>>
>
>Well, ideally you should not workaround e1000/usb problems with
>scripts, but add driver model support to both of those.
>
>You may want to try S3 with those two modules unloaded. There's some
>chance it resumes with video not working (you can tell by typing find
>/ -- if hdd starts flashing, machine is okay but no video).
>								Pavel
>  
>
It was a no-go with S3. The machine just shuts down.

Is anybody aware of any Intel or Intel chip based (p3 or p4)
motherboards where S3 works reliably?



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