OESF Portables Forum
Everything Else => General Support and Discussion => Zaurus General Forums => Archived Forums => Software => Topic started by: albertr on June 09, 2006, 01:14:55 pm
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http://www.iral.com/~albertr/linux/zaurus/powernowd.html (http://www.iral.com/~albertr/linux/zaurus/powernowd.html)
Let me know what do you think...
-albertr
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http://www.iral.com/~albertr/linux/zaurus/powernowd.html (http://www.iral.com/~albertr/linux/zaurus/powernowd.html)
Let me know what do you think...
-albertr
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sounds good, I would love to try this, unfortunalety the download-link for the ipk on your page doesn't work (I have no crosscompiling-env so I can't compile it myself..).
seiichiro0185
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Sorry, link is fixed now.
-albertr
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dl worked now, install went fine, and I linked the script to the apm-dirs like you said on the page
my first test looks very good. scaling works good as far as i can see (I looked at /proc/zaurus/CCCR when idle and under load, and it changed )
suspend and resume works ok, and the scaling works after suspend/resume
the zaurus now feels a little "snappier" (it seems programms load a little faster, but I have not timed the loading with/without powernowd so far)
all in all it seems to be a usefull piece of software, especially as one should also experience longer battery lifetime (hopefully)..
thanks for this!
seiichiro0185
PS.: I will use this for now and report back if something goes wrong. I also will make some tests on battery lifetime and application loading time with and without powernowd if I have some spare time.
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Battery life should improve quite a bit. What /etc/powernowd.conf file do you use?
-albertr
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Battery life should improve quite a bit. What /etc/powernowd.conf file do you use?
-albertr
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I'm using the undervolted one from your website ATM. Right now the zaurus is charging, after that's complete I will start some tests.
seiichiro0185
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Will this work on an SL6000? I think it has a PXA CPU.
http://www.iral.com/~albertr/linux/zaurus/powernowd.html (http://www.iral.com/~albertr/linux/zaurus/powernowd.html)
Let me know what do you think...
-albertr
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checking it out now, btw how do you apply patches? And this will work with just the regular cacko install correct? I took a quick peek at the patches, looks like the cacko kernel wont need those patches, of course I could be wrong...
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I think cacko already has these patches, also tetsu kernel has them, and possibly old pre-2.6 kernel pdaXrom. It would work only on pxa270-based Zaurii, i.e. C1000/3x00. The easy way to check if you kernel has them already - just take a look if there's /proc/zaurus/CCCR and /proc/zaurus/VCORE exist.
Also, I completely forgot that if you use root account and don't have sudo installed, then edit /etc/rc.d/init.d/powernowd script and change the first line from:
#!sudo /bin/sh
to:
#!bin/sh
If you run as a non-root user, you need to have sudo installed.
-albertr
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now for the symlinking, actually I just created two scripts, one in suspend and one in resume, that just suspend and resume the daemon, this would be appropriate as well, correct?
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For the script examples, please take a look at the ipk.
-albertr
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Hi !
Powernowd does not work as expected on my Cacko 1.23. The reason is that most of the processes are niced to '10' (why ?!).
So three solutions:
- launch powernowd with '-n'
- or modify the code to take into account the processes niced at 10
- or find a way to 'denice' the processes launched by qtopia.
Cheers,
Ludo.
PS: One time my keyboard freezed just before suspend. Needed a reset.
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So if you run powernowd with "-n" option, does it work?
As far us suspend goes, did you kill powernowd BEFORE suspending?
-albertr
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I think I will retry with stock+tetsu this time.
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So if you run powernowd with "-n" option, does it work?
Yes but real niced processes (at 20), are taken into account.
As far us suspend goes, did you kill powernowd BEFORE suspending?
Yes I used you ipk.
Cheers,
Ludo.
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Hi, i just try your ipk with the your conf file. First it seems to work, but 3 times since yesterday, the Z's screen just became completely white and the Z needed a reset..
Another point : I use the cacko 1.23 rom with the overclock/underclock applet => when powernowd is running any change on this applet will freeze the Z.
hope it will help.
[Edit] I have uninstalled the powernowd package but i have the same behavior (The Z screen became white after resume, or even reboot !!). maybe it is something else i have done !!
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So anyone have any success with powernowd in Cacko1.23?