[ltp] Problem with ACPI Standby on G41

[Peter B. West]

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prosolutions@gmx.net wrote:
> Hi, I will try to answer the last three replies with this one mail:

...
> 
>>What does
>>$ cat /proc/acpi/ibm/driver
>>tell you?
> 
> 
> driver:		IBM ThinkPad ACPI Extras
> version:	0.11
> 
> but also i thought that this driver has no effect on going into
> standby/suspend modes.  it only adds support for Fn keys, ability to set
> temp thresholds for fans, and some other niceties.  no?
> 
Your guess is probably better than mine.

...
> 
> I just read /usr/src/linux/Documentation/power/video.txt entitled "Video
> issues with S3 resume".  It states "S3 has absolutely no chance of working with SMP/HT. Be sure it to turn it off before testing (swsusp should work ok, OTOH)."  Is it possible to turn off HT on a running kernel prior to suspend?  I don't think so.  Also, running Windows it is possible to Suspend and resume, so at least technically it is feasable.  I guess now I will focus on swsusp.
> 
That saves me trying S3.  I wonder if it is feasible to set the system 
in single processor mode while on battery, by tinkering with 
laptop-mode?  It isn't really an issue when running on the desktop, but 
it would be very nice to have when moving from power point to power point.

Hopefully swsusp2 will stabilise soon.  There's a 2.2 release coming up.

Peter
-- 
Peter B. West <http://cv.pbw.id.au/>
Folio <http://defoe.sourceforge.net/folio/>

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