Introducing ubiboot N9 (multiboot OS loader) - Page 35 - maemo.org

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ncik	2013-06-21 , 05:33
Posts: 15 \| Thanked: 10 times \| Joined on Jun 2013	#341

You don't have to mount any partition, because you'd better use (because it's updated) the ubiboot-02 method.
The kernel/kernels (I put in mind that everything else is in place), with correct names as writed in the README file, for the Harmattan and NITdroid must be placed into the /boot directory of the Harmattan root; the ubiboot-02.menus.cpio file and ubiboot.conf (this one edited with the correct names that you have given to kernels) file must be placed into /boot of the Harmattan eMMC.

Recapitulating with full path, starting from the root (/), for clarity:

The kernels (only for Harmattan and NITdroid because for Nemo it's different) must be placed into /boot directory.
The Ubiboot files (described above) must be placed into /home/user/MyDocs/boot directory

[QUOTE=juiceme;1353573]
No need to feel stupid, I have found out that quite a few people have trouble figuring out that. The problem is that when you are running Harmattan you have a different view of the mounted filesystem than when you are running ubiboot. The README document evidently does not make that clear enough.
I hope you managed to do that with the good advice people gave you here...]

Thanks a lot for the advice. I was finally able to boot using ubiboot but for some reason it boots into Harmattan even when I pick Nitdroid. I am not sure what to do to resolve this issue. Also where to I find the modules to put in the "/lib/modules" directory. Where can I find instructions to install Nemo. Thanks for all the help.

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	death_jax	2013-06-21 , 09:24
	Posts: 326 \| Thanked: 122 times \| Joined on Sep 2012 @ Italy	#342

Originally Posted by ncik

You don't have to mount any partition, because you'd better use (because it's updated) the ubiboot-02 method.
The kernel/kernels (I put in mind that everything else is in place), with correct names as writed in the README file, for the Harmattan and NITdroid must be placed into the /boot directory of the Harmattan root; the ubiboot-02.menus.cpio file and ubiboot.conf (this one edited with the correct names that you have given to kernels) file must be placed into /boot of the Harmattan eMMC.

Recapitulating with full path, starting from the root (/), for clarity:

The kernels (only for Harmattan and NITdroid because for Nemo it's different) must be placed into /boot directory.
The Ubiboot files (described above) must be placed into /home/user/MyDocs/boot directory

Originally Posted by juiceme
No need to feel stupid, I have found out that quite a few people have trouble figuring out that. The problem is that when you are running Harmattan you have a different view of the mounted filesystem than when you are running ubiboot. The README document evidently does not make that clear enough.
I hope you managed to do that with the good advice people gave you here...]

Thanks a lot for the advice. I was finally able to boot using ubiboot but for some reason it boots into Harmattan even when I pick Nitdroid. I am not sure what to do to resolve this issue. Also where to I find the modules to put in the "/lib/modules" directory. Where can I find instructions to install Nemo. Thanks for all the help.

There is no need, for us, to use the /lib/modules..
For Nemo installation I advise you not to think about it now, but maybe later, after a better understanding of boot of Harmattan/NITdroid.
For NITdroid boot problem: did you put the NITdroid kernel file in the right place?
Did you edited correctly the Ubiboot.conf file?
Did you extracted the NITdroid system files correctly?

Last edited by death_jax; 2013-06-21 at 17:09.

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ncik

	death_jax	2013-06-21 , 09:29
	Posts: 326 \| Thanked: 122 times \| Joined on Sep 2012 @ Italy	#343

Originally Posted by juiceme

So, your device always wakes up to ubiboot when you plug in the wall charger in a powered-down mode?
That should not happen, do you have the setting "G_OVERRIDE_USB_CHARGER_BOOT=1" in your ubiboot.conf?
Also you do need to have G_DEFAULT_OS and G_DEFAULT_KERNEL set up to start a Harmattan kernel.

Yes, both G_OVERRIDE_RTC_ALARM_BOOT=1 and G_OVERRIDE_USB_CHARGER_BOOT=1, the same for G_DEFAULT_OS="Harmattan" and G_DEFAULT_KERNEL="/boot/Harmattan/boot/zImage_2.6.32.54-openmode_l2fix", setted as you can see (the latter is the same as G_HARMATTAN_1_FILE="/boot/Harmattan/boot/zImage_2.6.32.54-openmode_l2fix").

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ncik	2013-06-21 , 14:41
Posts: 15 \| Thanked: 10 times \| Joined on Jun 2013	#344

Originally Posted by death_jax

There is no need, for us, to use the /lib/modules..
For Nemo installation I advise you not to think about it now, but maybe later, after a better understanding of boot of Harmattan/NITdroid.
For NITdroid boot problem: did you put the NITdroid kernel file in the right place?
Did you edited correctly the Ubiboot.conf file?
Did you extracted the NITdroid system files correctly?

I placed the NITdroid kernel at the same place as the other kernel which is /boot. Does the ubiboot.conf need to be changed or should it be the default one I did extract the files to /home/nitrdoid using the instructions provided in the other thread. I was able to successfully boot in nitrdoid before installing ubiboot. Again thanks for your help.

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	peterleinchen	2013-06-21 , 17:12
	Posts: 4,118 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#345

/boot is correct place and /home/nitdroid also correct ...

What about posting output of
ls -al /boot
nitdroid section of ubiboot.conf
/var/log/ubiboot.log and /var/log/ubiboot.dmesg
?

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	death_jax	2013-06-21 , 17:15
	Posts: 326 \| Thanked: 122 times \| Joined on Sep 2012 @ Italy	#346

Originally Posted by ncik

I placed the NITdroid kernel at the same place as the other kernel which is /boot. Does the ubiboot.conf need to be changed or should it be the default one I did extract the files to /home/nitrdoid using the instructions provided in the other thread. I was able to successfully boot in nitrdoid before installing ubiboot. Again thanks for your help.

The only reason why you have to change the default values of ubiboot.conf is, as I did, to delete the unnecessary kernel entries for both Harmattan and NITdroid.
As peterleinchen wroted, in order to help you, you must post the file in the /boot folder and the content and your NITdroid entries section in ubiboot.conf file (starting from # Nitdroid kernels)

Last edited by death_jax; 2013-06-21 at 17:22.

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ncik	2013-06-21 , 19:06
Posts: 15 \| Thanked: 10 times \| Joined on Jun 2013	#347

Originally Posted by peterleinchen

/boot is correct place and /home/nitdroid also correct ...

What about posting output of
ls -al /boot
nitdroid section of ubiboot.conf
/var/log/ubiboot.log and /var/log/ubiboot.dmesg
?

Thanks a lot. I got everything working. Just wasn't waiting long enough. Android is really slow though. I am not sure why. Now I have to learn more and install Nemo. Thanks a lot for your support.

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	peterleinchen	2013-06-21 , 20:09
	Posts: 4,118 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#348

Ah yes, especially on first boot it takes ages.

Furthermore you should get the latest nit kernel from e-yes with juiceme's L2 cache fix. Check http://downloads.nitdroid.com/e-yes/n9/ubiboot/

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juiceme	2013-06-21 , 23:07
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#349

Originally Posted by ncik

Thanks a lot for the advice. I was finally able to boot using ubiboot but for some reason it boots into Harmattan even when I pick Nitdroid. I am not sure what to do to resolve this issue. Also where to I find the modules to put in the "/lib/modules" directory. Where can I find instructions to install Nemo. Thanks for all the help.

The difference of the Harmattan boot and Nitdroid boot is in the preinit file it launches, you propably should check that your "/sbin/preinit_nitdroid" file is corret.

And also, as long as you ar onto it, I'd advice you to use the default Harmattan preinit file instead of the one I provide as "/sbin/preinit_harmattan" in the preinits.tar file... many people report that the file in the archive is not so reliable as the original Harmattan preinit. (I trimmed it down a bit, removed parts that I did not think were that useful and maybe I went a bit too far...)

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	peterleinchen	2013-06-22 , 09:00
	Posts: 4,118 \| Thanked: 8,901 times \| Joined on Aug 2010 @ Ruhrgebiet, Germany	#350

Originally Posted by juiceme

... preinit file ...

That reminds me of another remark

:
in your cut down preinit_harmattan is only one problem (compared your version with original one), the early start up of usb network! You remember?
I have it commented out, but now as I write I believe a configurable option could be nice to have early telnet/ssh possibilty during harmattan as we have in nitdroid and nemo. But I do not know if it makes sense at all and how to fetch config values in preinit? Do you get me, juiceme? Or just talking bullsh.t?

For preinit_nitdroid I also would like to fetch config values from ubiboot.conf, but who cares? Only me probably and so I just edit the preinit_nitdroid directly. Maybe one day I will get it starting from p5 !?