Live booting an SD card

[ASwyD2]

@irvinewade

I would carry out those instructions (in the previous post) on a host computer. However it is not impossible to do them on the Librem 5 itself.

Are you suggesting to do it on the phone through the computer?
I don’t yet have a host computer. I may buy a USB stick and try live booting it at the same time and maybe do it from there.

[irvinewade]

@ASwyD2

Are you suggesting to do it on the phone through the computer?

I personally would be preparing the µSD card on a host computer.

If you have no big computer that runs Linux and don’t feel like attempting to do it with a computer that normally runs Windows but instead on this occasion would be Live Booted into an appropriate Linux distro (e.g. Ubuntu or PureOS) … then you can do those commands on the Librem 5 (and that is the beauty of running Linux everywhere) … with the following constraints that I can think of:

• You will be tying up over 8GB of the eMMC, at least temporarily, so you need that much free space + margin. (With more handstands, you can probably reduce that disk space requirement to over 4GB.)
• If you are currently using the µSD card slot on the Librem 5 for some other purpose then you must first reconfigure in order to free up the slot (and of course shut down in order to remove the existing card).

[ASwyD2]

@gondolyr

Write the image to your microSD card using your preferred method, for example dd:

sudo dd if=$HOME/Downloads/librem5r4.img of=/dev/<DEVICE> bs=1M status=progress conv=fsync

So I am trying this and am coming up with this:

sudo dd if=$HOME/Downloads/librem5r4.img of=/media/ubuntu/4221-724F/ bs=1M status=progress conv=fsync
dd: failed to open '/media/ubuntu/4221-724F/': Is a directory

Edit:
Q: What am I doing wrong?
A: I had the wrong device ID.
The image is now writing slowly to the disk

[ASwyD2]

(I need detailed instructions on how to write the .img to my uSD card. I am completely new to these types of things. If I know the the commands a can do it, otherwise I am sunk.)

[ASwyD2]

So I tried booting it and all it does is turn the green led on and then just stays in the black phase.
What should I do?

[FranklyFlawless]

@ASwyD2

What should I do?

Use my instructions:

@FranklyFlawless

PureOS is a Debian derivative. The instructions below assume you are running Debian or any of its derivatives, such as PureOS, using the x86-64 architecture, and that your Librem 5 is from the Evergreen batch:

sudo apt install git uuu
git clone https://source.puri.sm/Librem5/librem5-flash-image.git
cd librem5-flash-image
sudo apt build-dep .
sudo ./scripts/librem5-flash-image --udev
./scripts/librem5-flash-image --stable

After the Byzantium image has been downloaded, you will see the following instructions:

Enter the flashing mode by holding volume-up button while turning the phone on.

            If it's not detected, follow these steps:
            - Ensure that the phone is powered off
            - Turn all Hardware-Kill-Switches off
            - Unplug the USB cable if connected
            - Remove battery
            - Hold volume-up button
            - Insert the USB-C cable (red light blinks, no green light)
            - Reinsert the battery (red and green lights constantly on, the script will continue)
            - Release volume-up button

After following those instructions, the Byzantium image will be flashed onto the phone, so during these 10 or so minutes, take a break and grab a ${DRINK_OF_CHOICE} until the procedure is complete.

[ASwyD2]

But I don’t want to reflash, I just want to test out a new image

[FranklyFlawless]

Okay, well you may want to follow the instructions you were using earlier, but this time using the correct device ID instead.

[ASwyD2]

How big of an SD card do I need?
I have an 8GB card on hand and and 64 full of information in my L5.

[FranklyFlawless]

@ASwyD2

How big of an SD card do I need?

The uncompressed image is under 8 GB. I vaguely recall it being 6.7 GB.

[ASwyD2]

How would find my uboot version?
Edit: Never mind. I found it.

[ASwyD2]

So I updated uboot but cat /proc/cmdline still shows the old uboot version

[FranklyFlawless]

Did you reboot the Librem 5?

[ASwyD2]

multiple times

[FranklyFlawless]

Okay, to confirm, this is the process to update uboot:

1. Download the .deb
2. Install it
3. Then execute this command:

sudo u-boot-install-librem5 /dev/mmcblk0

4. Reboot the Librem 5

[ASwyD2]

@FranklyFlawless

/dev/mmcblk0

This comes up as un-supported file

[ASwyD2]

Status of Suspend for Librem 5

A number of messages in this thread had me confused or actively negated each other, but at the time of this writing, on a librem 5 running PureOS byzantium, this is what you should do (and this should be somehow clearly communicated to all librem 5 owners, I think): In a terminal, run cat /proc/cmdline to find the current version of the uboot bootloader on your device. If the version number starts with 2019, continue to the next step; if it starts with 2022, you don’t have to update. Run sudo …

This is what I used

[FranklyFlawless]

How about this one?

Status of Suspend for Librem 5

Indeed, I was mistaken. Here’s a one-liner to install the latest version (replaces step 2): wget https://source.puri.sm/Librem5/uboot-imx/-/jobs/399069/artifacts/raw/debian/output/u-boot-librem5_2022.10-librem5.1_arm64.deb && sudo apt install ./u-boot-librem5_2022.10-librem5.1_arm64.deb

[ASwyD2]

Yeah I used that

[FranklyFlawless]

Alright, what happens when you execute the code as root?