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Poll: Do you think its possible to overclock the N900?!
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Do you think its possible to overclock the N900?!

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jothanan is offline jothanan
2011-01-14 , 04:38
Posts: 5 | Thanked: 0 times | Joined on Dec 2010
#5181
Originally Posted by ndi View Post
I have different issues with power kernel. In the latest kernel 46, I get random shutdowns regardless of speed. The phone simply shuts down with no warning and then refuses to power up until battery removal. Always happens when phone is locked in pocket and moving around.
Maybe a loose battery contact is the culprit. I have been in the same issue a month back. That's when I bought a new original battery from Nokia and a universal Desktop Charger for my BL-5J and other Li-ion battery. I also had completely no idea why I my phone shutsdown randomly, mostly when the phone is locked in my pocket while I'm walking, sliding up the keyboard, and even when i just hold my phone and tilt it up. Then i found these topics and tried the solution, and viola! No random shutdowns right after that.

As i evaluated the problem and the solution, I guess it all happened because of the universal Desktop Charger that I bought and used to charge that battery. My desktop charger has 2 pins for the + and - which made the contacts loose since it has a larger diameter than the max distance between the contacts of the battery.

http://talk.maemo.org/showthread.php?t=66273
http://talk.maemo.org/showthread.php?p=884140
 
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ndi is offline ndi
2011-01-14 , 12:46
Posts: 2,050 | Thanked: 1,425 times | Joined on Dec 2009 @ Bucharest
#5182
I thought about it, problem it, it doesn't start again by button. I have to replace battery to start it, so it's not a battery contact.

I am now investigating a CPU freq issue.
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jothanan is offline jothanan
2011-01-17 , 08:34
Posts: 5 | Thanked: 0 times | Joined on Dec 2010
#5183
Don't just think about it. Trying doing it. get a thumbtack or pushpin and draw the contacts on your battery closer.

And don't try to immediately power on your device after a shutdown, it has some delays even if it seems to look like it has shutdown already.
 
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ndi is offline ndi
2011-01-17 , 12:21
Posts: 2,050 | Thanked: 1,425 times | Joined on Dec 2009 @ Bucharest
#5184
Originally Posted by jothanan View Post
Don't just think about it. Trying doing it. get a thumbtack or pushpin and draw the contacts on your battery closer.

And don't try to immediately power on your device after a shutdown, it has some delays even if it seems to look like it has shutdown already.
I have tracked the issue, permanently, to an issue with wlan being either unable to find anything or with with several consecutive failures via syslog.

Also, the issue has 100% repeatability with stock Nokia kernel from PR1.3, so this is definitely not a power kernel issue.

As a result, I'll stop bugging everyone now. I'll reflash (ughhh!) and try to salvage as much data as I can. I wish I could trak this down for the rest of you but unfortunatly I'm losing phone capability every drive and this unacceptable for such a long time.

I'll give it one more shot on the way home and that's it. Reflash.
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N900 dead and Nokia no longer replaces them. Thanks for all the fish.

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salazar is offline salazar
2011-01-19 , 23:31
Posts: 64 | Thanked: 11 times | Joined on Nov 2010
#5185
Im running maemo at 850mhz and Nitroid Gingerbread at 900-1150mhz depending to that if i am playing game or something heavy OR just surfing in the net or something not so heavy.
 
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Pyro1099 is offline Pyro1099
2011-01-20 , 07:23
Posts: 127 | Thanked: 19 times | Joined on Jul 2010 @ Wales
#5186
Whats happened with Titan? Is there plans on a newer kernel update from v46 to fix issues involving the camera start up.
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ndi is offline ndi
2011-01-20 , 21:06
Posts: 2,050 | Thanked: 1,425 times | Joined on Dec 2009 @ Bucharest
#5187
Originally Posted by ndi View Post
I have tracked the issue, permanently, to an issue with wlan being either unable to find anything or with with several consecutive failures via syslog.
It was that. Multiple consecutive failures in the modem caused the shutdown. The underlying issue was most likely mechanical in nature.

I was a coincidence that it always cored when wifi failed. Failure points were roughly at the edge of wifi.
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N900 dead and Nokia no longer replaces them. Thanks for all the fish.

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m4r0v3r is offline m4r0v3r
2011-01-23 , 09:54
Posts: 1,746 | Thanked: 1,832 times | Joined on Dec 2010
#5188
am having a problem were after a reflash my battery severly overheats up to 51c when charging with usb will normal charger is fine. am replacing the battery soon anyway
 
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di1in is offline di1in
2011-01-25 , 12:25
Posts: 184 | Thanked: 33 times | Joined on Jan 2010
#5189
ive been using the power kernel for a long time on ideal.. and something i nticed today is that conky shows the clockfreqs switching between min and max only. if i change the min and max limits, then it will switch between those. All the freqs in between are ignored.
cpu percentage would be 45% for 500mhz and 50% for 1000mhz.

i havent chaned any of the values within the ideal file, so they're all there on the FREQS list. the only avoid freqs are 125 and 250.

whats wrong?

another doubt, if i use the time-in-state script given in the voltage tables wiki, do i have to keep xterm alive. because right now the values are all 0.
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Last edited by di1in; 2011-01-25 at 12:41.
 
gabby131 is offline gabby131
2011-01-25 , 12:46
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#5190
Originally Posted by di1in View Post
ive been using the power kernel for a long time on ideal.. and something i nticed today is that conky shows the clockfreqs switching between min and max only. if i change the min and max limits, then it will switch between those. All the freqs in between are ignored.
cpu percentage would be 45% for 500mhz and 50% for 1000mhz.

i havent chaned any of the values within the ideal file, so they're all there on the FREQS list. the only avoid freqs are 125 and 250.

whats wrong?

another doubt, if i use the time-in-state script given in the voltage tables wiki, do i have to keep xterm alive. because right now the values are all 0.
okay im not an expert but this is how i understand.

Your n900 runs the Ondemand Governor. Which means, the cpu will run from the lowest freq to the highest depending on what the system or a process needs.

Example you're on ideal 500/1000, and you run an app which needs at least 850mhz. Your cpu will elevate from 500 to 850 in an instant.

So i believe....nothing is wrong....

(someone correct me please)
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N900: 1000/1150mhz; sampling_rate 15; up_threshold 150000;
 
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