Introducing ubiboot N9 (multiboot OS loader) - Page 2 - maemo.org

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d@niel	2013-03-01 , 14:02
Posts: 40 \| Thanked: 34 times \| Joined on Oct 2012 @ Germany	#11

Originally Posted by cquence

Thank you very much! Now all that's missing is an image of Sailfish OS and then dual boot!!

yes thats right

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lancewex	2013-03-01 , 14:47
Posts: 661 \| Thanked: 690 times \| Joined on Jul 2007	#12

Awesome. I wish I had the skills to get my phone set up like the one in your video.

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valdur55	2013-03-01 , 15:32
Posts: 12 \| Thanked: 12 times \| Joined on Feb 2013 @ Estonia	#13

Instead of using cp and tar you can only use tar:

Code:

tar -xvf ubiboot_fs-01.tar -C /mnt/

Nice work! I Just bricked my device. It shows Nokia logo and then i blackouts. I don't want to reflash my device.
I just need normal zImage for kernel and then it will go to normal mode.

EDIT1 : used http://downloads.nitdroid.com/e-yes/n9/zImage.pr13 and reflashed kernel. Atleast, phone is now booting.

Last edited by valdur55; 2013-03-01 at 15:43.

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juiceme	2013-03-01 , 17:21
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#14

Originally Posted by valdur55

Nice work! I Just bricked my device. It shows Nokia logo and then i blackouts. I don't want to reflash my device.
I just need normal zImage for kernel and then it will go to normal mode.

Bricking the phone for good is not easy, but getting into reboot loop or unbootable state is. Fortunately it is almost always really easy to fix it. Just use rescue mode boot, and mount your ubifs into some directory, and check/correct what went wrong.

During development, I have not even counted how many times it has happened to me, kernel development is like that

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Mric	2013-03-01 , 19:12
Posts: 117 \| Thanked: 59 times \| Joined on Nov 2012	#15

This is awsome, I'm going to try right now and will report back later.
Thanks JuiceMe !

Last edited by Mric; 2013-05-09 at 13:24.

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Hurrian	2013-03-01 , 23:03
Posts: 1,225 \| Thanked: 1,905 times \| Joined on Feb 2011 @ Quezon City, Philippines	#16

juiceme, I noticed that on boot, the device is initially sluggish. (fixed by locking and unlocking the phone)

I'm using the Patched Openmode PR1.3 kernel - by any chance, does it need to be patched to explicitly enable L2 cache?

__________________
N9 PR 1.3 Open Mode + kernel-plus for Harmattan
@kenweknot, working on Glacier for Nemo.

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juiceme	2013-03-02 , 06:58
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#17

Originally Posted by Hurrian

juiceme, I noticed that on boot, the device is initially sluggish. (fixed by locking and unlocking the phone)

I'm using the Patched Openmode PR1.3 kernel - by any chance, does it need to be patched to explicitly enable L2 cache?

Yes, you are correct!

The boot to the Harmattan takes longer than necessary as the stock harmattan kernel (or openmode kernel) do not enable L2 cache in the kexec boot phase. I myself am using a patched "arch/arm/mm/proc-v7.S" which turns the cache back on after kexec().

I guess I should provide the patch for making it boot quicker.
This is the patch from Nemo: https://github.com/nemomobile/kernel...b38e5fe2639e73

BTW, the same also goes with Nitdroid boot, the kernel should also be patched similarily for quicker boot.

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theyosh	2013-03-02 , 10:26
Posts: 12 \| Thanked: 5 times \| Joined on Mar 2010 @ Holland	#18

I am running this with the open mode Harmatten and Nitdroid. I experience that I have to reboot two of three times before the open mode kernel is loaded and started. When I select the OS from the ubiboot menu, it returns to the ubiboot without starting the selected OS. That happens two or three times and then the OS is loaded.

So if I boot to Nitdroid, and want to switch OS, it takes me two or three reboots. And everytime Harmatten is started, it looks like it initializes again like it is started the first time. I see a very long loading icon before I can use the phone.

I installed ubiboot on a clear nokia N9 with open mode enabled. So I did not had other OS-es installed. Now I am installing the separate OS-es afterwards. I am trying to get the MER os also running, but takes a bit more time....

Are the reboots known issues? Is there some debug options to figure this out?

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	www.rzr.online.fr	2013-03-02 , 10:33
	Posts: 1,348 \| Thanked: 1,863 times \| Joined on Jan 2009 @ fr/35/rennes	#19

Anyone uses it on n950 as well

would an installer app be useful ?

__________________
Current obsession:

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Please help to list all maemo existing apps :

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https://wiki.maemo.org/Apps#

I am looking for " 4 inch TFT LCD display screen " for Nokia n950 HandSet

http://rzr.online.fr/q/lcd

Also, I need online storage to archive files :

http://db.tt/gn5Qffd6#

https://my.pcloud.com/#page=register...e=g8ikZmcfEJy#

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juiceme	2013-03-02 , 11:55
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#20

Originally Posted by theyosh

I am running this with the open mode Harmatten and Nitdroid. I experience that I have to reboot two of three times before the open mode kernel is loaded and started. When I select the OS from the ubiboot menu, it returns to the ubiboot without starting the selected OS. That happens two or three times and then the OS is loaded.

So if I boot to Nitdroid, and want to switch OS, it takes me two or three reboots. And everytime Harmatten is started, it looks like it initializes again like it is started the first time. I see a very long loading icon before I can use the phone.

I installed ubiboot on a clear nokia N9 with open mode enabled. So I did not had other OS-es installed. Now I am installing the separate OS-es afterwards. I am trying to get the MER os also running, but takes a bit more time....

Are the reboots known issues? Is there some debug options to figure this out?

I have not encountered that kind of behaviour myself. Either the 2nd level kernel boots correctly or fails, and if it fails then it fails every time until the problem that causes it is corrected.

When the OS&kernel slection has been done, and the icons in the top menu fade away, if there is some problem loading the 2nd level kernel then the device will show an error message in green letters. If that does not happen, then the kernel selection has succeeded and device will boot the 2nd level kernel.

Now, it sounds to me there is some initialization problem in the 2nd level kernel.
Do you have the correct modules in "/lib/modules/<kernel_name>" of your harmattan root partition? Have you checked the module dependencies?
Did you try starting Harmattan with some other kernel, Nitdroid for example?
When you finally get to boot up Harmattan, can you check that the command line parameters for the kernel are correct, do "cat /proc/cmdline". Check also from dmesg if there are some strange errors.