Introducing ubiboot N9 (multiboot OS loader) - Page 5 - maemo.org

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Phoenix986	2013-03-03 , 21:54
Posts: 40 \| Thanked: 6 times \| Joined on Jul 2011	#41

Originally Posted by juiceme

Fairly strange, that.

I tried several combinations, mounting with/without the ubi device attached etc, and only time that error happens is when you try to do it as user.
As root, it never gives that error.

i get the same error as user or as root

Code:

~# whoami
root
~# mount -t ubifs ubi0:var /mnt
mount: permission denied (are you root?)

Code:

~ $ whoami
user
~ $  mount -t ubifs ubi0:var /mnt
mount: permission denied (are you root?)

should I throw away my n9? :P

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Phoenix986	2013-03-03 , 22:08
Posts: 40 \| Thanked: 6 times \| Joined on Jul 2011	#42

Originally Posted by juiceme

One thing came to my mind... Yo said you booted the device at some point?

After you boot the device, you must attach the ubi device before mounting, sou you need to do this:
Code:
/usr/sbin/ubiattach /dev/ubi_ctrl -m 4
mount -t ubifs ubi0:var /mnt/
You never need to give the commands for flash_erase or ubimkvol again, but every time you want to mount it, you need to attach it before that.

i reboot after (/usr/sbin/flash_erase /dev/mtd4 0 0)
because (/usr/sbin/ubiattach /dev/ubi_ctrl -m 4) dont work

after reboot i done
/usr/sbin/ubiattach /dev/ubi_ctrl -m 4
/usr/sbin/ubimkvol /dev/ubi0 -N var -m
mount -t ubifs ubi0:var /mnt
and i got error on the mount

now i tryed to reboot again and as you said i done

Code:

/usr/sbin/ubiattach /dev/ubi_ctrl -m 4
mount -t ubifs ubi0:var /mnt/

but i have the same error on the mount

Code:

RM696-21-3_PR_001:~# /usr/sbin/ubiattach /dev/ubi_ctrl -m 4
UBI device number 0, total 1833 LEBs (473001984 bytes, 451.1 MiB), available 0 LEBs (0 bytes), LEB size 258048 bytes (252.0 KiB)
RM696-21-3_PR_001:~# mount -t ubifs ubi0:var /mnt
mount: permission denied (are you root?)

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byteninja2	2013-03-04 , 03:41
Posts: 106 \| Thanked: 38 times \| Joined on Oct 2012	#43

I also have the same error as phoenix986.

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Hurrian	2013-03-04 , 04:48
Posts: 1,225 \| Thanked: 1,905 times \| Joined on Feb 2011 @ Quezon City, Philippines	#44

Are you sure you're doing this with devel-su instead of "opensh"?

__________________
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	death_jax	2013-03-04 , 07:58
	Posts: 326 \| Thanked: 122 times \| Joined on Sep 2012 @ Italy	#45

Originally Posted by juiceme

I don't understand what bugs you mean, I have been running my device always in open mode, (both PR1.2 and with PR1.3 since it came out) and I have never gotten my device crashed, not when installing anything nor ever else...

Can you point me to the cases when open mode has caused such problems?

I also follow the N9QTweak thread, and in the past I had Open Mode Kernel for NITdroid.
Many people, like me, when installing, for example, two or more tweaks or sub-tweaks at the same time, after the first, the second or randomly, the system close N9QTweak (with installation in progress, interrupted) and goes to home screen.. The same happened, randomly, with installation of apps: in a first time it seems that is installing, but randomly the installation crash and goes to desktop with apps not installed..
The above is common to all that have open Mode kernel.

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byteninja2	2013-03-04 , 08:17
Posts: 106 \| Thanked: 38 times \| Joined on Oct 2012	#46

Originally Posted by Hurrian

Are you sure you're doing this with devel-su instead of "opensh"?

Yes, I typed “devel-su“, then I typed the password, and typed the command. I have tried with the open mode kernal and without.

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juiceme	2013-03-04 , 08:55
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#47

Originally Posted by death_jax

I also follow the N9QTweak thread, and in the past I had Open Mode Kernel for NITdroid.
Many people, like me, when installing, for example, two or more tweaks or sub-tweaks at the same time, after the first, the second or randomly, the system close N9QTweak (with installation in progress, interrupted) and goes to home screen.. The same happened, randomly, with installation of apps: in a first time it seems that is installing, but randomly the installation crash and goes to desktop with apps not installed..
The above is common to all that have open Mode kernel.

OK, but those are bugs of N9QTweak, they are not related to open mode in any way, IMHO.

BTW, I am not using any modifications on my device like N9QTweak, FasterN9, OC modules, etc. Only extra "tweaks" I have are Profilematic and Home Screen Settings. I have NOT tested ubiboot with any other setup.

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juiceme	2013-03-04 , 09:03
Community Council \| Posts: 4,920 \| Thanked: 12,867 times \| Joined on May 2012 @ Southerrn Finland	#48

Originally Posted by byteninja2

Yes, I typed “devel-su“, then I typed the password, and typed the command. I have tried with the open mode kernal and without.

Well, does your "dmesg" show anything relating to FS corruption or like? If you have too many ecc errors on the NAND then the mtd4 partition cannot be used and it will be mounted read-only.

I have been told that some of the NAND chips are quite error prone, and that is the reason Nokia did not use the mtd4 partitions for /var filesystem as was original intent.

There is another way to store the boot manager, using initramfs on a mmcblk0 partition. I will have to explore that as an alternative if many people start getting the write errors on mtd4.

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	humble	2013-03-04 , 10:19
	Posts: 355 \| Thanked: 395 times \| Joined on Dec 2009 @ USA	#49

Originally Posted by Phoenix986

after a reboot it worked without error

EDIT: now i get this

Code:

~ # mount -t ubifs ubi0:var /mnt
mount: permission denied (are you root?)

this is the previous

Code:

~# /usr/sbin/ubiattach /dev/ubi_ctrl -p /dev/mtd4
UBI device number 0, total 1833 LEBs (473001984 bytes, 451.1 MiB), available 1811 LEBs (467324928 bytes, 445.7 MiB), LEB size 258048 bytes (252.0 KiB)

~# /usr/sbin/ubimkvol /dev/ubi0 -N var -m
Set volume size to 467324928
Volume ID 0, size 1811 LEBs (467324928 bytes, 445.7 MiB), LEB size 258048 bytes (252.0 KiB), dynamic, name "var", alignment 1

~# mount -t ubifs ubi0:var /mnt
mount: permission denied (are you root?)

try:

Code:

opensh
aegisctl +r

then see if that worked.

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	death_jax	2013-03-04 , 11:31
	Posts: 326 \| Thanked: 122 times \| Joined on Sep 2012 @ Italy	#50

Originally Posted by juiceme

OK, but those are bugs of N9QTweak, they are not related to open mode in any way, IMHO.

BTW, I am not using any modifications on my device like N9QTweak, FasterN9, OC modules, etc. Only extra "tweaks" I have are Profilematic and Home Screen Settings. I have NOT tested ubiboot with any other setup.

The problem is not related with N9QTweak (there are many discussions about it), because I wrote that also with normal app installation there was that bug.. In addition to that, the N9QTweak use only dpkg -i command prompt, in fact when I tried to install some apps with command prompt, I had the same issue, the command prompt automatically exits before the installation was completed.