[ltp] Problem with ACPI Standby on G41

[Peter B. West]

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prosolutions@gmx.net wrote:
>>> 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.
>>
> 
> Just a final status update - with the 2.6.13 kernel and using in-kernel
> swsusp the machine seems to go into software suspend mode smoothly.
> When it wakes up it seems to also be waking up okay but then at the last
> second the screen just goes blank and the machine is totally
> unresponsive.  Not even ctrl-alt-del, in the hope that just the screen
> is blank, has any effect.  
> 
> I will give swsusp2 another shot I guess with 2.2.  But the last time I
> tried it it left a bad taste in my mouth.  On a faulty resume it
> apparently trashed my filesystem so hard that I had to run xfs_repair
> afterwards
> and ended up with a ton of disconnected inodes and eventually had to
> completely re-install as the system became highly unstable.  The only
> other time I've ever had a filesystem trashed really hard like that from
> a non-mechanical issue was a very long time ago when I changed major
> kernel versions and forgot to copy the System.map into /boot   IMHO
> that's a really bad sign.

ps,

What's the latest?  I saw a posting of yours on suspend2, which looked 
positive.

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

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