How to recover from a failed emmc boot?

[mlem]

Hi,

 

I have bricked my system by installing the  rk3399 legacy multmedia framework. It was installed on emmc.

I was able to recover my system by using the P11 jumper to skip the boot on emmc, as explained in the doc, and now my system runs on a SDCard.

The problem is, it seems that I cannot access the EMMC anymore -- it does not show up /dev. My intuition is that the P11 jumper disables the EMMC altogether.

Am I write and if so, how can I access the EMMC again? I would like to be able to read it again (I had important data, notably unison synchronization files) and reinstall a fresh OS on it.

 

Any help would be welcome!

 

 

 

 

 

 

 

 

[TDCroPower]

Use instead of jumper 11 the jumper 10, so you should be able to see and write your emmc in running mode.
See also here how...

 

 

[mlem]

Sorry, I read too fast; I used the jumper 10. But your link seems to indicate that we need to remove the jumper before linux boots (I was not sure this was safe), so I can try to do that... Thanks for the link!