RE: HP nw8000 never wakes up from acpi suspend

RE: HP nw8000 never wakes up from acpi suspend

[Yu, Luming]

S1 is less important than S3 and S4.
So, please verify S4 is ok, then S3. 
S1 is nice-to-have.

try command " echo -n 4 > /proc/acpi/sleep" for s4
echo -n 3 > /proc/acpi/sleep" for  s3
echo -n 1 > /proc/acpi/sleep"  for s1.

There is a known S3 VGA resume issue on some laptop. 
Maybe you will hit that bug. Please verify.

Thanks,
Luming


>-----Original Message-----
>From: acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org 
>[mailto:acpi-devel-admin-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org] On Behalf Of 
>Vadim Zeitlin
>Sent: Saturday, October 09, 2004 10:30 PM
>To: acpi-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
>Subject: [ACPI] HP nw8000 never wakes up from acpi suspend
>
> Hello,
>
> I've installed Debian (2.6.8-1 kernel, first without, then with ACPI
>patch) on HP nw8000 notebook. Everything worked perfectly out 
>of the box
>except for suspend. All ACPI modules load successfully and, in general,
>things like monitoring fans and thermal zones work great. Also, cat
>/sys/power/state outputs the expected "standby mem disk".
>
> But standby (S1 state?) doesn't work at all:
>
>[sunrise:/sys/power]# echo standby > state
>echo: write error: operation not permitted
>
>and in syslog I see just the following:
>
>PM: Preparing system for suspend
>Stopping tasks: 
>=========================================================|
>Restarting tasks... done
>
>
> Doing "echo mem > state" does work if I unload the USB 
>modules (otherwise
>it stops with an error but this is ok): I see the messages 
>about drivers
>being stopped and then the machine goes to sleep. The trouble 
>is, it never
>wakes up. Pressing keys on the keyboard, opening/closing the 
>lid, pressing
>the power button and cursing loudly all have the same effect: 
>none at all.
>I can only hard reset the notebook by holding the power button for 5
>seconds.
>
>
> Needless to say, a notebook which can't be suspended is a bit 
>annoying so
>I'd really like to fix this. Unfortunately I don't know 
>where/how to start
>debugging this. All I could do was to build a minimal kernel 
>with nothing
>except absolutely needed stuff (i.e. IDE) in it but not even 
>graphics card
>support included but this didn't help at all.
>
> Any help would be really appreciated, thanks in advance!
>VZ
>
>
>
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Re[2]: HP nw8000 never wakes up from acpi suspend

[Vadim Zeitlin]

On Sat, 9 Oct 2004 23:10:11 +0800 "Yu, Luming" <luming.yu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org> wrote:

YL> S1 is less important than S3 and S4.
YL> So, please verify S4 is ok, then S3. 
YL> S1 is nice-to-have.

 Thank you for your reply! I realize that S1 is less important, I'd mostly
like to have S3 work.

YL> try command " echo -n 4 > /proc/acpi/sleep" for s4
YL> echo -n 3 > /proc/acpi/sleep" for  s3
YL> echo -n 1 > /proc/acpi/sleep"  for s1.

 Hmm, all of these commands do nothing here. I.e. the command succeeds
without any observable effect.

 I should say that nothing happens when I do "echo -n disk (or standby) >
/sys/power/state" but when I do "echo mem > /sys/power/state" I can see
messages on the console saying "PM entering sleep state" (I'm not sure,
they disappear too quickly and syslog is apparently not written to any
more) and the machine does indeed fall asleep -- but doesn't wake up.
 
YL> There is a known S3 VGA resume issue on some laptop. 
YL> Maybe you will hit that bug. Please verify.

 What should I do to verify this? Just in case, the video card is ATI
OpenGL T2.

 Thanks again,
VZ



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Re: HP nw8000 never wakes up from acpi suspend

[Pavel Machek]

Hi!

> YL> S1 is less important than S3 and S4.
> YL> So, please verify S4 is ok, then S3. 
> YL> S1 is nice-to-have.
> 
>  Thank you for your reply! I realize that S1 is less important, I'd mostly
> like to have S3 work.
> 
> YL> try command " echo -n 4 > /proc/acpi/sleep" for s4
> YL> echo -n 3 > /proc/acpi/sleep" for  s3
> YL> echo -n 1 > /proc/acpi/sleep"  for s1.
> 
>  Hmm, all of these commands do nothing here. I.e. the command succeeds
> without any observable effect.

s4 really should work. Unload usb and read
Documentation/power/swsusp.txt. You need to pass commandline parameter
etc.
								Pavel
-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!


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RE: Re[2]: HP nw8000 never wakes up from acpi suspend

[Yu, Luming]

 

> I should say that nothing happens when I do "echo -n disk (or 
>standby) >
>/sys/power/state" but when I do "echo mem > /sys/power/state" I can see
>messages on the console saying "PM entering sleep state" (I'm not sure,
>they disappear too quickly and syslog is apparently not written to any
>more) and the machine does indeed fall asleep -- but doesn't wake up.
> 

It sounds like VGA issue.

>YL> There is a known S3 VGA resume issue on some laptop. 
>YL> Maybe you will hit that bug. Please verify.
>
> What should I do to verify this? Just in case, the video card is ATI
>OpenGL T2.

Please try "echo mem > /sys/power/state" from X window.


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