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Posts: 64 | Thanked: 7 times | Joined on Oct 2007
#51
I notice a big power drain after installing an 8gb SDHC card. With that slot empty, my N800 can go a couple of days without recharging. Simply putting the SDHC cart is seems to cause a massive power run down.

I strongly agree with many posters when they say that high CPU usage does burn up the battery. Running the web browser almost always burns the CPU at 100% these days, especially when reading the active java sites (gmail). This web site uses a lot of CPU, incidentally.

Somtimes I spot "runaway" processes that may be churning away for no good reason. I've been keeping track of applications that are using a lot of CPU and in the terminal I run "top" to see them. Sometimes, there is a program running taking tons of CPU with a vague title like "sh" but no details. I shut down the system all the way, and restarted, that sh program was still there. I reasoned that if the N800 is trying to do "session management" then some bad program that was running before will get launched again. But I don't know if that's what it is doing. I know on Linux lots of systems do have session management. After gaining root, I find that "kill -9 nnn" for the process numbered nnn does kill the mypsterious high CPU using program "sh".
 
Posts: 72 | Thanked: 2 times | Joined on Jul 2007
#52
Originally Posted by TA-t3 View Post
I have discovered a problem with a particular wi-fi router only: When connected to this one my N800 sucks battery like there's no tomorrow. It _only_ happens with this router (which is one I own), it's never happened with any other access point anywhere. It took a while before I realised what's happening. Presumably the router somehow prevents my N800 from going into wi-fi sleep mode or something.

I don't have the exact details of this router (it's not located here), but it's a SiS chipset based one. I'll look for firmware upgrades for it and do some more testing if so.
was it a belkin router? i have this problem with my friends belkin router. Some times when i connect to it my cpu usage jumps to 100% the task that is using it is dbus_message_something i cant remember.
 
Posts: 3,841 | Thanked: 1,079 times | Joined on Nov 2006
#53
It's a Jensen 802.11b wi-fi router with a SiS chipset. I haven't yet checked for firmware upgrades. I don't know what chipsets Belkin use in their routers.
__________________
N800/OS2007|N900/Maemo5
-- Metalayer-crawler delenda est.
-- Current state: Fed up with everything MeeGo.
 
Posts: 72 | Thanked: 2 times | Joined on Jul 2007
#54
Ya and im not sure what model he has. Ill check it out next time i'm over there.
 
Posts: 87 | Thanked: 9 times | Joined on Nov 2007
#55
Hellooo, Well my problem with the battery is that the day after i updated to os2008 i charged it over night took about 7hours to charge and i got the battery full icon, Now today its going on 10hrs and still no icon to say its charged and by now you'd think it is...not sure if i should reflash it if it will make any difference or not.

If i reflash but backup first... all my stuff should come back on , all the apps i installed etc right?

Last edited by Gadget25; 2007-12-21 at 14:56.
 
Mahaloha's Avatar
Posts: 22 | Thanked: 0 times | Joined on Jul 2007 @ Hawaii
#56
After upgrading to 2008, my battery don't last as long as before
 
Karel Jansens's Avatar
Posts: 3,220 | Thanked: 326 times | Joined on Oct 2005 @ "Almost there!" (Monte Christo, Count of)
#57
Originally Posted by Mahaloha View Post
After upgrading to 2008, my battery don't last as long as before
How did you upgrade your battery's software?

Aha aha aha aha.
 
Posts: 87 | Thanked: 9 times | Joined on Nov 2007
#58
I just reflashed my os2008 with no backup except for the bookmarks which shouldnt be a problem...so i'll see what happens now..for the days to come, I downloaded off someone file who uploaded to a server...if it happens again i'll try direct from nokia since it seems to be a bit faster with them now..

I'll let you know what happens, it could be like someone stated above that maybe 2008 takes more processing power
 
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