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Posts: 1,994 | Thanked: 3,342 times | Joined on Jun 2010 @ N900: Battery low. N950: torx 4 re-used once and fine; SIM port torn apart
#31
Is there an R&D mode for N9-00 prototype? It might switch off watchdogs, and thus prevent reboot loop.

Having reboot reason stated somewhere may help...

Best wishes.
 
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#32
Originally Posted by Wikiwide View Post
Is there an R&D mode for N9-00 prototype? It might switch off watchdogs, and thus prevent reboot loop.

Having reboot reason stated somewhere may help...

Best wishes.
yes its possible to put on or off rd mode with prototype.
I will try and let you know.
what is the fonction of rd mode?
thanks
 

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#33
Originally Posted by n950 View Post
yes its possible to put on or off rd mode with prototype.
I will try and let you know.
what is the fonction of rd mode?
thanks
Research&develop mode has several functions.

From N900, I remember those two:
1. Does not shutdown-reboot just because watchdog said so;
2. keyboard backlight is used as indicator of system status - for system notifications.

Actually... Wiki page

As far as I know, I do not have it enabled. It just came to my mind as the 'easiest' way to get rid of reboots... Since flashing-everything is not enough.

When you get to the filesystem, it would be helpful to find some kind of system logs which would state the reasons of reboots.

Best wishes.
 

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#34
At least you found the FWs!

To extract the ocf image, just use 7zip.

22-6 is PR1.1 afair (without checking my safe )
I am not sure what one-click-flasher does but after extracting you will find some batch file(s) and it will reveal to you what it does. So probably it just flashes FW and you can use a manual full flash (with eMMC) and you are good to go ...
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#35
First i have tried to flash with 22-6.
After i tried all others versions.
And now i have problem to reflash with 22-6.
I will try to extract and flash with ubuntu with emmc.

I will let you know about my progress.

I hope it will be good.
 

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#36
Device is now with rd mode but same thing freeze at same screen. Why?

Full erase and updating SW release 22-6 success.

But freeze. How can i do now?
 

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#37
Originally Posted by peterleinchen View Post
22-6 is PR1.1 afair (without checking my safe )
Actually, 22-6 is pre-PR 1.0 .
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#38
I boot with ubiboot.
I can have telnet so how can i do now?
http://hpics.li/2d8a0ad
http://hpics.li/c797057
 

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#39
Originally Posted by n950 View Post
I boot with ubiboot.
I can have telnet so how can i do now?
http://hpics.li/2d8a0ad
http://hpics.li/c797057
Yes, looks like it is not a malf problem but something else.

So, if you have not been able to flash the device, I assume it has the original content full in there, right?
First I'd take of course backups of all partitions, before attempting anything. Usually tar works best as dd'ing the devices will create so large images as to be unnecessary.
Then, I'd investigate what is the boot phase it hangs on, and for that the absolutely best tool is to enable serial console and monitor that when the device boots.
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#40
I have flashed the device. It's ok but now i want to pass screen freeze with nokia behind (check first picture).

how can i enable serial console and monitor?
 
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