emmc formatted by mistake (it no longer appears)
#1
During a Mobian installation test, I mistakenly formatted the EMMC with gparted.
Now with jumpdrive the emmc no longer appears.
With tow-boot, communication with my PC no longer works (the light turns blue when I press the level up button, but then the light flashes and the pinephone turns off.

On the other hand, if I flash a mobian image on the sd-card, I can still boot on it… but no more emmc :/

In a terminal, I ran the lsblk command and I get this:
Code:
mmcblk2
179:256        0   29G   0   disk
mmcblk2boot0
179:512        0   4M    1   disk
mmcblk2boot1
179:768        0   4M    1   disk

How can I retrieve the emmc?
Can anyone help me ? I'm not a computer scientist.
  Reply
#2
formatted to which file system?

ii don't think that jumpdrive care about format


 look for the emmc with gparted


ezik
  Reply
#3
(07-11-2022, 07:16 AM)shulamy Wrote: formatted to which file system?

ii don't think that jumpdrive care about format


 look for the emmc with gparted


ezik

Sorry… In fact I did not format the emmc, I deleted the partitions.
  Reply
#4
(07-11-2022, 07:21 AM)elode Wrote:
(07-11-2022, 07:16 AM)shulamy Wrote: formatted to which file system?

ii don't think that jumpdrive care about format


 look for the emmc with gparted


ezik

Sorry… In fact I did not format the emmc, I deleted the partitions.

 can't you partition and format it again with gparted (or parted) from the sd card?

 ezik

i have found this
Quote:WARNING: In case eMMC isn't showing up try to charge your battery and try again. There are reports of people not being able to flash to eMMC with discharged battery.
  Reply
#5
(07-11-2022, 10:30 PM)shulamy Wrote:
(07-11-2022, 07:21 AM)elode Wrote:
(07-11-2022, 07:16 AM)shulamy Wrote: formatted to which file system?

ii don't think that jumpdrive care about format


 look for the emmc with gparted


ezik

Sorry… In fact I did not format the emmc, I deleted the partitions.

 can't you partition and format it again with gparted (or parted) from the sd card?

 ezik

i have found this
Quote:WARNING: In case eMMC isn't showing up try to charge your battery and try again. There are reports of people not being able to flash to eMMC with discharged battery.

The battery was fully charged...

What exactly happened:
  • in gparted, I erased the partitions of the emmc
  • gparted gave me a message that the system could not take the change into account before a reboot (i.e. the emmc partitions still appeared in Dolphin even though they no longer existed).
  • I then disconnected and reconnected the usb cable of the pinephone
…and then, no more emmc.
Since then, it has not been possible to access it.
  Reply
#6
(07-12-2022, 12:34 AM)elode Wrote:
(07-11-2022, 10:30 PM)shulamy Wrote:
(07-11-2022, 07:21 AM)elode Wrote:
(07-11-2022, 07:16 AM)shulamy Wrote: formatted to which file system?

ii don't think that jumpdrive care about format


 look for the emmc with gparted


ezik

Sorry… In fact I did not format the emmc, I deleted the partitions.

 can't you partition and format it again with gparted (or parted) from the sd card?

 ezik

i have found this
Quote:WARNING: In case eMMC isn't showing up try to charge your battery and try again. There are reports of people not being able to flash to eMMC with discharged battery.

The battery was fully charged...

What exactly happened:
  • in gparted, I erased the partitions of the emmc
  • gparted gave me a message that the system could not take the change into account before a reboot (i.e. the emmc partitions still appeared in Dolphin even though they no longer existed).
  • I then disconnected and reconnected the usb cable of the pinephone
…and then, no more emmc.
Since then, it has not been possible to access it.

Oops, I hadn't realized that we could access the emmc from the sd card… thanks Smile
So I flashed mobian to the sd card, then flashed mobian to the emmc from the sd card…and it worked!

Everything is in order. Thanks a lot for the help!
  Reply


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