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-   -   Dump an image of root and eMMC.. how to? (https://talk.maemo.org/showthread.php?t=52925)

zehjotkah 2010-05-18 14:15

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by rash.m2k (Post 664200)
This seems to confirm my speculation:

http://metalab.at/wiki/Hack-A-N900/D...e_rootfs_Image

thanks!

that is exactly what we need.

rash.m2k 2010-05-18 14:21

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by zehjotkah (Post 664209)
thanks!

that is exactly what we need.

Well - I'd like to be able to also boot from an micro SD card, as this would mean I can restore my N900 without a PC.

Once I get home tonight I'll partition a micro sd card and try to boot from it.

zehjotkah 2010-05-18 14:24

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by rash.m2k (Post 664224)
Well - I'd like to be able to also boot from an micro SD card, as this would mean I can restore my N900 without a PC.

Once I get home tonight I'll partition a micro sd card and try to boot from it.

maybe this wiki helps:
http://wiki.maemo.org/Booting_from_a_flash_card

rash.m2k 2010-05-18 14:33

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by zehjotkah (Post 664227)

Some of that still refers to the OLD n810 way of doing things (I vaguely remember doing it).

I'm going to follow the instructions here:

http://talk.maemo.org/showpost.php?p...0&postcount=45

Fanoush helped us with the N8xx, once I've cloned the OS the rest should be straighforward, I just need to point the bootloader to the microsd card slot.

Dany-69 2010-05-18 16:31

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by zehjotkah (Post 664209)
thanks!

that is exactly what we need.

PERFECT :D
I can't try this now... (i have no n900 .. :p)
Btw... What about the opt partition ?

javispedro 2010-05-18 18:45

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by rash.m2k (Post 664200)
This seems to confirm my speculation:

http://metalab.at/wiki/Hack-A-N900/D...e_rootfs_Image

Note that the article mentions that should be done from a USB Recovery Environment, do not do that from the same operating system you're trying to backup!

Also note that the N900 doesn't use JFFS2 but UBIFS, the rest of the instructions should be similar to the N8x0 instructions.

Dany-69 2010-05-18 22:38

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by javispedro (Post 664640)
Note that the article mentions that should be done from a USB Recovery Environment, do not do that from the same operating system you're trying to backup!

Also note that the N900 doesn't use JFFS2 but UBIFS, the rest of the instructions should be similar to the N8x0 instructions.

The usb recovery mode seems to be a "part of maemo" ... so we shouldn't need another operating system ..
Besides i'm quite sure that the N900 uses JFFS2 ... :confused:

javispedro 2010-05-18 23:19

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by Dany-69 (Post 664975)
The usb recovery mode seems to be a "part of maemo" ... so we shouldn't need another operating system ..

No, as you can read on the USB Recovery Mode link right on that page...
Quote:

Originally Posted by Dany-69 (Post 664975)
Besides i'm quite sure that the N900 uses JFFS2 ... :confused:

No; all Internet Tablets use JFFS2, but the N900 uses UBIFS as the kernel log will tell you.

Dany-69 2010-05-18 23:54

Re: Dump an image of root and eMMC.. how to?
 
1 Attachment(s)
Quote:

Originally Posted by javispedro (Post 665001)
No; all Internet Tablets use JFFS2, but the N900 uses UBIFS as the kernel log will tell you.

The kernel log can say whatever he wants :D :p
But, unpacking every Fiasco image, everyone can obtain another result.. :

javispedro 2010-05-19 00:09

Re: Dump an image of root and eMMC.. how to?
 
Quote:

Originally Posted by Dany-69 (Post 665031)
The kernel log can say whatever he wants :D :p
But, unpacking every Fiasco image, everyone can obtain another result.. :

And you're going to trust the utility that is used to flash all the Internet Tablets (not only N900) BEFORE what the actual on-your-hands N900 says and uses? :P


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