Petitboot, yet another bootloader based on KEXEC

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MrFusion
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Re: Petitboot, yet another bootloader based on KEXEC

Post by MrFusion »

tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!

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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

MrFusion wrote:
Tue Jan 04, 2022 12:55 pm
tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!
Ok, so you want to run Armbian on USB storage and which won't happen with Petitboot unfortunately.

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Re: Petitboot, yet another bootloader based on KEXEC

Post by MrFusion »

tobetter wrote:
Tue Jan 04, 2022 12:58 pm
MrFusion wrote:
Tue Jan 04, 2022 12:55 pm
tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!
Ok, so you want to run Armbian on USB storage and which won't happen with Petitboot unfortunately.
Ah, what a pity. Is there a way to run any off-the-shelf distros, or are we only able to use what's available on mysterious Korean servers? :)

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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

MrFusion wrote:
Tue Jan 04, 2022 1:07 pm
tobetter wrote:
Tue Jan 04, 2022 12:58 pm
MrFusion wrote:
Tue Jan 04, 2022 12:55 pm
tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!
Ok, so you want to run Armbian on USB storage and which won't happen with Petitboot unfortunately.
Ah, what a pity. Is there a way to run any off the shelf distros, or are we only able to use what's available on mysterious Korean servers? :)
For Armbian, you can consult with Armbian forum how you can boot off from USB storage since Petitboot is not capable to boot it. You can boot other OS images from Hardkernel or me (ppa.linuxfactory.or.kr), or @meveric for Debian.
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Re: Petitboot, yet another bootloader based on KEXEC

Post by MrFusion »

tobetter wrote:
Tue Jan 04, 2022 1:18 pm
MrFusion wrote:
Tue Jan 04, 2022 1:07 pm
tobetter wrote:
Tue Jan 04, 2022 12:58 pm
MrFusion wrote:
Tue Jan 04, 2022 12:55 pm
tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!
Ok, so you want to run Armbian on USB storage and which won't happen with Petitboot unfortunately.
Ah, what a pity. Is there a way to run any off the shelf distros, or are we only able to use what's available on mysterious Korean servers? :)
For Armbian, you can consult with Armbian forum how you can boot off from USB storage since Petitboot is not capable to boot it. You can boot other OS images from Hardkernel or me (ppa.linuxfactory.or.kr), or @meveric for Debian.
Ok, thank you, much appreciated!!

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Re: Petitboot, yet another bootloader based on KEXEC

Post by istanbulls »

MrFusion wrote:
Tue Jan 04, 2022 1:07 pm
tobetter wrote:
Tue Jan 04, 2022 12:58 pm
MrFusion wrote:
Tue Jan 04, 2022 12:55 pm
tobetter wrote:
Tue Jan 04, 2022 12:46 pm
MrFusion wrote:
Tue Jan 04, 2022 12:40 pm
Hi,

So - after reading 30+ pages in this thread... :? ... I can finally boot directly from USB, without uSD or MMC card installed, is working - but so far only using images from http://ppa.linuxfactory.or.kr/ and DTBs from
...
What OS are not booting for you?
Oops, sorry @tobetter - finger fumble. Saved before finishing my post. Have edited properly now - hopefully makes better sense!
Ok, so you want to run Armbian on USB storage and which won't happen with Petitboot unfortunately.
Ah, what a pity. Is there a way to run any off-the-shelf distros, or are we only able to use what's available on mysterious Korean servers? :)
You can run it with eMMC or uSD without petitboot.

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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

mad_ady wrote:
Tue Jan 04, 2022 2:40 am
It's best to update it as a first step, to reduce possible problems.

And yes, the menu appears on every boot and detects attached OSes.

Note that Android installer may need to be booted without petitboot the first time. Try with petitboot and see if it's detected.
OK thank you! :)
Simply to make sure I'll do the update correctly, I plan to make these steps:

- put switch on SPI
- connect to ethernet
- start-up
- Exit to Shell
- run pb-update in the command line of Petitboot.

Then the update process should run and reboot?

I've read this from @tobetter:
"If the Petitboot update does not happen, check the network cable and IP address. run udhcpc if you do not have IP address."
So, I guess that if the update does not work I'll have to this and download this image and use it for a "manual update"

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Re: Petitboot, yet another bootloader based on KEXEC

Post by mad_ady »

- put switch on SPI
- connect to ethernet
- start-up
- Exit to Shell
- run udhcpc
- run pb-update in the command line of Petitboot.
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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

mad_ady wrote:
Tue Jan 04, 2022 11:24 pm
- put switch on SPI
- connect to ethernet
- start-up
- Exit to Shell
- run udhcpc
- run pb-update in the command line of Petitboot.
I will follow these steps, thanks again for the great support !

One last question about boot and HDMI CEC control. I used previously an android box which caused troubles on my setup because of very poor CEC management and there was no way to fix it as the issue was coming from the vendor boot.
I really hope that I will be able to configure a robust CEC with the N2+. After reading several posts on this topic, I still cannot completely understand in which part the CEC "master" control is managed: Uboot ; Petitboot or OS (Coreelec or Android) and which one(s) I should use for its configuration.

For instance if I want to fully disable it, can it be done through Petitboot? and then setting changes in the OS will not affect the behavior?

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Re: Petitboot, yet another bootloader based on KEXEC

Post by mad_ady »

Cec can be disabled (if needed) from the OS (e.g. Android). Check the Odroid Settings app.
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Re: Petitboot, yet another bootloader based on KEXEC

Post by sshock »

tobetter wrote:
Fri Dec 31, 2021 9:42 am
petitboot,master is solely track the image pieces flashed and not being used by any where except the script. Basically this should be removed after flashing the whole image with the script. Maybe you can give me a better name than mastering. :)
Maybe petitboot,imaging or even petitboot,last_image_file_copied to be very clear (if we don't mind long names).

(Of course, the userscript.sh and everything else you provided here is just an example and anyone who uses the userscript feature will be able to name things whatever they want and change the script as desired to suit their needs.)
tobetter wrote:
Fri Dec 31, 2021 9:42 am
So...two issues are remained now?
1) Why Android does not boot after flashing the image.
2) How the userscript can be launched without SD card.
1) Yes, but actually it won't boot Android 9 on SD card at all with this petitboot, even when not using userscript.sh. It's doing a kernel panic or something and then reboots. I do have the USB UART kit and am happy to run any commands and perform any tests to help diagnose.

2) Yes! I was thinking maybe something like being able to store an HTTP URL to a petitboot,userscript env variable that is saved in SPI flash. Would that work? Then on start-up if that is present you wget and execute it; if not then look for it on the sd card (I definitely want to keep the ability of it being on the SD card too).
tobetter wrote:
Fri Dec 31, 2021 9:42 am
What else?
I think that's it for now, thanks!

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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

Dear All,

I received my N2+ yesterday. I started updating PetitBoot connect to a Dell PC screen, installed Android on eMMC and CoreElec on SD.
The only issue I have is that when I connect to my 4K TV, at startup PetitBoot is not displayed at all either on MMC or SPI. I have a black screen as if there was no signal and then it will boot to the SD when inserted.


I’ve read through the 30+ pages of this thread and found this recommendation:
So now...are you able to see the Petitboot screen with 1920x1080 resolution and have the petitboot.cfg in your SD card? If this is true, please follow the commands in the Petitboot.
CODE: SELECT ALL
fw_setenv hdmimode 1080p60hz
fw_setenv vga 1080p60hz
Once you run such commands, you can check if the given value is correctly stored in the SPI flash memory like this and they must show 1080p60hz.
CODE: SELECT ALL
fw_printenv hdmimode
fw_printenv vga
Is this the fix when Petitboot is not showing up on a 4K TV? Should I type these commands as well ?
Thanks!

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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

Any thoughts on my previous message ?
Thanks ! 😊

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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

Gozer wrote:
Fri Jan 14, 2022 8:01 pm
Any thoughts on my previous message ?
Thanks ! 😊
Sorry, can you try to create a file petitboot.cfg with below in the first partition of SD card and boot Petitboot?

Code: Select all

[u-boot]
hdmimode=720p60hz
displayhpd=true

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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

tobetter wrote:
Fri Jan 14, 2022 8:12 pm
Gozer wrote:
Fri Jan 14, 2022 8:01 pm
Any thoughts on my previous message ?
Thanks ! 😊
Sorry, can you try to create a file petitboot.cfg with below in the first partition of SD card and boot Petitboot?

Code: Select all

[u-boot]
hdmimode=720p60hz
displayhpd=true
Thanks @tobetter for your reply.
I will try of course but just 2 things:
- stupid question but how do I create this type of file? Is it from a text file renamed in .cfg? I’m on Mac.
- then I put it on the SD root, boot with SPI switch on SPI

Is this correct ?

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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

Gozer wrote:
Fri Jan 14, 2022 9:29 pm
tobetter wrote:
Fri Jan 14, 2022 8:12 pm
Gozer wrote:
Fri Jan 14, 2022 8:01 pm
Any thoughts on my previous message ?
Thanks ! 😊
Sorry, can you try to create a file petitboot.cfg with below in the first partition of SD card and boot Petitboot?

Code: Select all

[u-boot]
hdmimode=720p60hz
displayhpd=true
Thanks @tobetter for your reply.
I will try of course but just 2 things:
- stupid question but how do I create this type of file? Is it from a text file renamed in .cfg? I’m on Mac.
- then I put it on the SD root, boot with SPI switch on SPI

Is this correct ?
Exactly, it's just a text file and this will be read by Petitboot on next power cycle.

If this does not show you a picture, maybe you can try another values for hdmimode.
480p60hz
1080p60hz
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Re: Petitboot, yet another bootloader based on KEXEC

Post by madbrain »

I wish the Wiki mentioned the type of file system the SD card needs to be in order to upgrade Petitboot. I had a 64GB card, which Windows formatted as exFat. Petitboot didn't appear to detect the SD card at all. I had to look for a smaller card which was formatted as FAT32, in order for Petitboot to find the spiboot.img for the upgrade. Please add the info to the Wiki at https://wiki.odroid.com/odroid-n2/os_im ... grade_mode .

Also, I think https://wiki.odroid.com/odroid-n2/os_im ... grade_mode and https://wiki.odroid.com/odroid-n2/os_im ... overy_mode should be linked from the top of the page. I certainly missed them, as I didn't scroll past the list of older petitboot versions. Only a Google search helped me find this info. I would suggest these links should be be prior to the link to this thread in the Wiki.

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Re: Petitboot, yet another bootloader based on KEXEC

Post by Gozer »

tobetter wrote:
Fri Jan 14, 2022 9:31 pm
Gozer wrote:
Fri Jan 14, 2022 9:29 pm
tobetter wrote:
Fri Jan 14, 2022 8:12 pm
Gozer wrote:
Fri Jan 14, 2022 8:01 pm
Any thoughts on my previous message ?
Thanks ! 😊
Sorry, can you try to create a file petitboot.cfg with below in the first partition of SD card and boot Petitboot?

Code: Select all

[u-boot]
hdmimode=720p60hz
displayhpd=true
Thanks @tobetter for your reply.
I will try of course but just 2 things:
- stupid question but how do I create this type of file? Is it from a text file renamed in .cfg? I’m on Mac.
- then I put it on the SD root, boot with SPI switch on SPI

Is this correct ?
Exactly, it's just a text file and this will be read by Petitboot on next power cycle.

If this does not show you a picture, maybe you can try another values for hdmimode.
480p60hz
1080p60hz
Hi @tobetter, it works ! Thank you for the support. Really appreciated

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Re: Petitboot, yet another bootloader based on KEXEC

Post by madbrain »

I see that btrfs was mentioned earlier in this thread a couple years ago. I just did an install of Ubuntu 21.10 on btrfs on an SD card. Unfortunately, even the latest petitboot doesn't find any bootable file system. Is btrfs not supported by petitboot ? Or is it the combo of btrfs and SD card that's the problem ? I could try btrfs on a flash drive or SSD if that's the issue.

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Re: Petitboot, yet another bootloader based on KEXEC

Post by mad_ady »

Most likely you need to format /boot as ext4 to be detected and leave the rest as btrfs

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Re: Petitboot, yet another bootloader based on KEXEC

Post by sshock »

Hi @tobetter. I did some more testing with Android 9, 10, and 11 booting from petitboot.

Petitboot version 20201222 works really well with all versions of Android. But 20211112 and later have trouble booting Android 9 and 11.

Can you take a look? Anything I can try?

The main thing I need to get working is Android 11 with the latest petitboot.

Android 9 on SD (Vanilla)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Hangs forever; solid blue light
  • Petitboot 20211220 = Hangs forever; solid blue light
Android 9 on SD (Customized)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Stuck in reboot loop
  • Petitboot 20211220 = Stuck in reboot loop
Android 9 on eMMC (Vanilla)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works! (although it doesn't show up in the menu if sd card is in at the same time)
  • Petitboot 20211112 = Hangs forever; solid blue light; also, doesn't show up in menu if my sd card is in at same time
  • Petitboot 20211220 = Works!
Android 10 (LOS 17.1) on eMMC (Vanilla)
  • Petitboot 20201020 = Seems to work but boots into a LineageOS recovery menu instead of normal UI
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Works!
  • Petitboot 20211220 = Works!
Android 11 (LOS 18.1) on eMMC (Vanilla)
  • Petitboot 20201020 = Seems to work but boots into a LineageOS recovery menu instead of normal UI
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Sometimes hangs with solid blue light; sometimes reboots
  • Petitboot 20211220 = Hangs forever; solid blue light
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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

sshock wrote:
Fri Jan 21, 2022 10:15 am
Hi @tobetter. I did some more testing with Android 9, 10, and 11 booting from petitboot.

Petitboot version 20201222 works really well with all versions of Android. But 20211112 and later have trouble booting Android 9 and 11.

Can you take a look? Anything I can try?

The main thing I need to get working is Android 11 with the latest petitboot.

Android 9 on SD (Vanilla)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Hangs forever; solid blue light
  • Petitboot 20211220 = Hangs forever; solid blue light
Android 9 on SD (Customized)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Stuck in reboot loop
  • Petitboot 20211220 = Stuck in reboot loop
Android 9 on eMMC (Vanilla)
  • Petitboot 20201020 = Works!
  • Petitboot 20201222 = Works! (although it doesn't show up in the menu if sd card is in at the same time)
  • Petitboot 20211112 = Hangs forever; solid blue light; also, doesn't show up in menu if my sd card is in at same time
  • Petitboot 20211220 = Works!
Android 10 (LOS 17.1) on eMMC (Vanilla)
  • Petitboot 20201020 = Seems to work but boots into a LineageOS recovery menu instead of normal UI
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Works!
  • Petitboot 20211220 = Works!
Android 11 (LOS 18.1) on eMMC (Vanilla)
  • Petitboot 20201020 = Seems to work but boots into a LineageOS recovery menu instead of normal UI
  • Petitboot 20201222 = Works!
  • Petitboot 20211112 = Sometimes hangs with solid blue light; sometimes reboots
  • Petitboot 20211220 = Hangs forever; solid blue light
Thank you for the update, let me look into this with Android guy.
Probably it will be a weekend for Petitboot. :D

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Re: Petitboot, yet another bootloader based on KEXEC

Post by tobetter »

@sshock, I have a question about your test. Did you test with the memory card after flashing the image using the method Userscript or soley flashed with OS image using Etcher to finish Selfinstall?

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Re: Petitboot, yet another bootloader based on KEXEC

Post by sshock »

tobetter wrote:
Fri Jan 21, 2022 6:04 pm
@sshock, I have a question about your test. Did you test with the memory card after flashing the image using the method Userscript or soley flashed with OS image using Etcher to finish Selfinstall?
Hi @tobetter. In all of these tests I did not use the userscript feature at all. I solely flashed the OS image using etcher.

(Then I booted once with the switch set to eMMC to verify it could boot normally without petitboot, and allow it to perform system update. Then I flipped the switch to SPI and unplugged/plugged in power cord to perform the actual test to see if petitboot could boot it.)

This is where I obtained the images from:
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