Not Bypassing the eMMC
#1
So far I've made no changes to my PinePhone Pro Explorer edition.  I received it back in January, got super frustrated and shelved it until last week when I got it back out and started fiddling again.

On a surface level, I see, booting consists of:

Pressing the power button
6 seconds go by
Vibration for 1 second
Red light for 2 seconds
White light for 1 second
blank screen
boot screen
[    0.232045] rockchip-usb2phy ff770000.syscon:usb2phy@e460: failed to create phy
[    0.429706] imx258 1-001a: failed to read chip id 258
[    0.745578] bootsplash: Failed to initialize.
Warning: /lib/modules/5.16.2-2-MANJARO-ARM/modules.devname not found - ignoring
Starting version 250.3-1-arch
ROOT_MNJRO: recovering journal
ROOT_MNJRO: Clearing blah, blah, blah, blah .....

Several places provide instructions for bypassing the eMMC by "hold the RE button underneath the cover for a few (or multiple) seconds, while powering on the device" and "holding it too long will cause the eMMC to not get initialized after the boot".

I have a PNY256 GB microSD card with postmarketOS flashed to it in the microSD slot under the back cover.  I have verified the phone sees it by loading Manjaro and checking for /dev/mmc* and looking with the gnome disks utility.  Gnome disks shows it as mmcblk1, partition 1 pmOS_boot, partition 2 pmOS_root, Partition Type Linux (Bootable).

I've pressed the RE button before, during and after the power button, the 6 second interval, the vibration, the red light, the white light, the blank screen and the boot screen.  I've pressed the RE button it quickly, I've pressed it for a few seconds, I've pressed it for several seconds during all the various power on events.

Any of the combination described result in either the boot sequence freezing where it is, Manjaro booting normally, or I get dumped into an emergency shell.  At no point have ever been able to boot from the microSD.  I've also tried different operating systems on different SD cards.

What am I doing wrong?  If someone could literally spell it out for me I'd be very appreciative.

Thanks.
  Reply


Messages In This Thread
Not Bypassing the eMMC - by meansbs - 03-31-2022, 06:42 PM
RE: Not Bypassing the eMMC - by dukla2000 - 04-01-2022, 09:51 AM
RE: Not Bypassing the eMMC - by meansbs - 04-01-2022, 07:29 PM
RE: Not Bypassing the eMMC - by fxc - 04-02-2022, 06:25 AM

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