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felbutss |
2010-04-09
, 07:26
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Posts: 579 |
Thanked: 286 times |
Joined on Oct 2009
@ Australia
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#1871
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Originally Posted by Lehto
cool. thanks for the reply. i did read but was just checking this was one of the 'wont work' issues.
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2010-04-09
, 07:26
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Posts: 1,224 |
Thanked: 1,763 times |
Joined on Jul 2007
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#1872
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Originally Posted by JMacalinao
There is no "better ulv kernel". Each individual OMAP has its own lowest voltage in which it will work reliably at a given frequency.
Hmm... You should stick to the previous kernel that worked for you, at least for now, until Lehto/titan/Matan comes up with a better ulv kernel.
(I'm waiting for a 250-900 ulv kernel, like everyone else)
TI only promise that 600MHz works at 1.35V (OPP5), but my device (and most others) also work at 1.2V (OPP3) - but some don't, and no kernel change will make them work. If you have such device, you can try 1.275V (OPP4) and probably some intermediate voltage levels. Similarly for other frequencies.
__________________
My repository
"N900 community support for the MeeGo-Harmattan" Is the new "Mer is Fremantle for N810".
No more Nokia devices for me.
My repository
"N900 community support for the MeeGo-Harmattan" Is the new "Mer is Fremantle for N810".
No more Nokia devices for me.
| The Following 2 Users Say Thank You to Matan For This Useful Post: | ||
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2010-04-09
, 07:31
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Posts: 24 |
Thanked: 4 times |
Joined on Mar 2010
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#1873
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I just tried the ulv and it didn't work on my phone completely... brain party froze first time i tried it.. and gave graphical errors the second time.. think ill try titan's this time
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2010-04-09
, 07:45
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Posts: 273 |
Thanked: 113 times |
Joined on Feb 2008
@ Germany
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#1874
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Is it just me or am I not the only one who thinks that a 250-500-550-800 MHz, normal-volted Kernel from Lehto would be the perfect solution? I do not like the 125MHz step, as I am thinking it is responsible for some stuttering. I also do not like the 900 as I think it might be too much.
I think the 250-500-550-800 Setup might be perfect
Maybe a fiasco one to save typing when flashing?
Unfortunately it seems not to be available ATM Lehto, may I ask you to please do such a thing (if not fiasco, no problem)?
I think the 250-500-550-800 Setup might be perfect
Maybe a fiasco one to save typing when flashing?Unfortunately it seems not to be available ATM
Lehto, may I ask you to please do such a thing (if not fiasco, no problem)?
__________________
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If I can help with anything else, just ask! Please click 'Thanks!' if this post was helpful.
Hi! I'm a Maemo Greeter!
Useful links for newcomers: New members say hello , New users start here, Community subforum, Beginners' wiki page, Maemo5 101, Frequently Asked Questions (FAQ)
If I can help with anything else, just ask!
Please click 'Thanks!' if this post was helpful.
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2010-04-09
, 07:51
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Posts: 169 |
Thanked: 41 times |
Joined on Apr 2010
@ Portugal
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#1875
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No..I thing 250 - something - 900 will be the perfect choice.
So, we've diferent opinions.
Anyone tryed this:
scaling_max_frequency 600000 to 900000
CPU: 250mhz / 500mhz / 625mhz / 720mhz / 900mhz
DSP: 90mhz / 180mhz / 360mhz/ 400mhz / 430mhz
?
Last edited by nokian-series; 2010-04-09 at 07:53.
So, we've diferent opinions.
Anyone tryed this:
scaling_max_frequency 600000 to 900000
CPU: 250mhz / 500mhz / 625mhz / 720mhz / 900mhz
DSP: 90mhz / 180mhz / 360mhz/ 400mhz / 430mhz
?
Last edited by nokian-series; 2010-04-09 at 07:53.
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2010-04-09
, 08:09
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Posts: 46 |
Thanked: 26 times |
Joined on Dec 2009
@ Makati, Philippines
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#1876
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Originally Posted by Matan
Oh, thanks for the heads up.
There is no "better ulv kernel". Each individual OMAP has its own lowest voltage in which it will work reliably at a given frequency.
TI only promise that 600MHz works at 1.35V (OPP5), but my device (and most others) also work at 1.2V (OPP3) - but some don't, and no kernel change will make them work. If you have such device, you can try 1.275V (OPP4) and probably some intermediate voltage levels. Similarly for other frequencies.
So probably the appropriate phrase isn't "a better ulv kernel." 
Maybe "a suitable ulv kernel" -- a set of kernels with different voltage levels, starting with OPP3 -- that is, If only there's a way to determine the minimum reliable voltage for a certain N900 CPU without doing trial-and-error. (Although if there's no choice, I'll be willing to do just that. )Btw, Lehto's 800Mhz-ulv kernel works for me. I wonder what voltage levels he used there... I know it's not OPP3 because when I tried titan's ulv kernel (he used your patch for that one, right?), it was terribly unstable.
And in case I haven't said this before, you guys have done a lot of great stuff in the past weeks. More power to all of you!
I'll try to give some feedback for this kernel.
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jmac.ph
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Last edited by JMacalinao; 2010-04-09 at 08:29.
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2010-04-09
, 08:10
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Posts: 2,361 |
Thanked: 3,746 times |
Joined on Dec 2007
@ Berlin - Love this city!!
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#1877
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for everyone a different kernel is the perfect solution.
i actually get a MUCH longer battery-life, because my N900 is idling many hours of the day (125mhz ftw).
and when I'm surfing, everything is faster, so faster to idle, again...
i actually get a MUCH longer battery-life, because my N900 is idling many hours of the day (125mhz ftw).
and when I'm surfing, everything is faster, so faster to idle, again...
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2010-04-09
, 08:11
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Posts: 664 |
Thanked: 160 times |
Joined on Jul 2008
@ Australia
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#1878
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I just tried Lehto's 800-ulv but the device started behaving crazy, awful lags switching desktop, opening main menu/dashboard and dmesg with some core sth and I quickly tried to go back to 850-450, as it was working like a charm before but my eyes accidentally stopped on 900-500 and thats what I'm on now and thats the first issue I've had since OC'ing started in maemo world but have never gone beyond 950 though and absolutely loving it.. thanks
but have never gone beyond 950 though and absolutely loving it.. thanks
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2010-04-09
, 08:16
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Posts: 49 |
Thanked: 10 times |
Joined on Mar 2010
@ Tn
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#1879
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Crack me up when I clicked on Lehto's my oc kernel collection it stated that it is optimized for ipad. No flash content. Anyways nice work on over clocking the beast. The first couple of post on this subject was meet with negative reviews, glad to see that didn't discourage you and others that help with this project to push the boundary of this device. This is why I'm glad to own a device that is open souce.
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2010-04-09
, 08:23
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Posts: 72 |
Thanked: 5 times |
Joined on Apr 2010
@ Finland
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#1880
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Also tried Lehto's ULV-kernel, but wouldn't even boot. So it's back to 950Mhz/stock DSP for me!
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