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ggabriel is offline ggabriel
2013-12-25 , 18:30
Posts: 728 | Thanked: 1,217 times | Joined on Oct 2011
#81
Originally Posted by djselbeck View Post
I've written the guide here: https://wiki.merproject.org/wiki/Sai...prebuilt_image
Thans for this, I've just backed up my Jolla just in case :-)

Question: is there any point in dd'ing (backig up) the beginning of the eMMC? I'm unsure as to whether there is anything useful there.
 
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javispedro is offline javispedro
2013-12-26 , 17:19
Posts: 2,355 | Thanked: 5,249 times | Joined on Jan 2009 @ Barcelona
#82
Originally Posted by ggabriel View Post
Thans for this, I've just backed up my Jolla just in case :-)

Question: is there any point in dd'ing (backig up) the beginning of the eMMC? I'm unsure as to whether there is anything useful there.
Yes, the GPT . You may even just dd the entire mmc. I do not see any benefits on having backups on the individual partitions.
 

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rainisto is offline rainisto
2013-12-26 , 21:59
Posts: 1,067 | Thanked: 2,383 times | Joined on Jan 2012 @ Finland
#83
Originally Posted by javispedro View Post
Yes, the GPT . You may even just dd the entire mmc. I do not see any benefits on having backups on the individual partitions.
Benefit for seperate partition backup is that atleast one partition is read-only, so you will get write errors if you try to restore entire mmc.
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javispedro is offline javispedro
2013-12-26 , 23:38
Posts: 2,355 | Thanked: 5,249 times | Joined on Jan 2009 @ Barcelona
#84
Originally Posted by rainisto View Post
Benefit for seperate partition backup is that atleast one partition is read-only, so you will get write errors if you try to restore entire mmc.
So you can overwrite the GPT header, thereby bricking the device, but not one partition? :P

And in any case, it is trivial to skip write errors when restoring, as it is to extract individual partitions from a full eMMC image.

Less trivial (and possibly impossible) is to combine different partition images into a single image, because, among other things, you are now missing everything that wasn't within partition limits. Which I would say normally would not be a problem, as there should be no important data there, except when ...... manufacturers do weird things, like the above.
 

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nieldk
2013-12-27 , 16:07
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#85
From the recent update to Sailfish, I think this package is intererresting:
flash-partition-0.2.9-10.12.1.jolla.armv7hl Tool for flashing platform images on device.
 

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nieldk
2013-12-27 , 19:31
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#86
also

Interresting update to recovery mode

Code:
Recovery mode
If a factory reset cannot be performed or if the device has booting issues,

•Unplug USB cable and turn off device
•Press volume down and power on the device
•Plug in USB cable and using USB networking telnet to 192.168.2.15 or 10.42.66.66 and follow the instructions
From
https://together.jolla.com/question/...update-2-1025/
 

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djselbeck is offline djselbeck
2013-12-27 , 19:48
Posts: 113 | Thanked: 303 times | Joined on Dec 2013 @ Germany
#87
Tested it, seems to be very limited

Code:
-----------------------------
     Jolla Recovery v0.1     
-----------------------------
Welcome to the recovery tool!
The available options are:
1) Reset phone to factory settings
2) Reboot phone
3) Exit
Type the number of the desired action and press [ENTER]:
 

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djselbeck is offline djselbeck
2013-12-27 , 20:02
Posts: 113 | Thanked: 303 times | Joined on Dec 2013 @ Germany
#88
GREAT, that update removed the ability to boot custom kernels directly from fastboot. I'm very angry, this was the best rescue possiblity from brick.

Code:
fastboot -i 0x2931 boot boot.img 
downloading 'boot.img'...
OKAY [  0.378s]
booting...
FAILED (remote: access denied. need privilege!)
finished. total time: 0.381s
 

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tiempjuuh is offline tiempjuuh
2013-12-27 , 20:31
Posts: 202 | Thanked: 165 times | Joined on Jul 2012 @ Apeldoorn, Netherlands
#89
Okay, so that's a reason to be angry indeed. Why did they do this for God's sake?! Maybe an employee can explain it?
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Nokia N9 16GB black hw rev. 1507
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nieldk
2013-12-27 , 20:31
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#90
Originally Posted by djselbeck View Post
GREAT, that update removed the ability to boot custom kernels directly from fastboot. I'm very angry, this was the best rescue possiblity from brick.

Code:
fastboot -i 0x2931 boot boot.img 
downloading 'boot.img'...
OKAY [  0.378s]
booting...
FAILED (remote: access denied. need privilege!)
finished. total time: 0.381s
hmmm

a few suggestions (dangerous I guess)
fastboot erase recovery
fastboot oem unlock ( I already did that one, so I will try if I can fastboot boot boot.img) !

EDIT: No, fastboot oem unlock does not help. I also now am unable to boot recovery kernel boot-telnet-initrd.img
Last edited by nieldk; 2013-12-27 at 20:35.
 

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