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Booting From USB Thumb-drive

Open PeterHindes opened this issue 6 years ago • 7 comments

What if I would like to keep my android system, and use fastboot to launch linux off of a usb drive? Would this be possible? If so how much of a challenge would it be for me?

PeterHindes avatar Aug 19 '19 23:08 PeterHindes

There's a chance to do that. If I recall correctly in the bootloader it is possible to press CTRL + U to boot from USB. I was never able to do that though.

https://chromium.googlesource.com/chromiumos/docs/+/master/debug_buttons.md

Ctrl + U: Boot the system from an external USB stick or SD card. The option crossystem dev_boot_usb=1 must be set from the command line before this option is available.

denysvitali avatar Aug 20 '19 07:08 denysvitali

No thats a chromeos bios feature. I dont think thats related to this project.

On Tue, Aug 20, 2019 at 1:27 AM Denys Vitali [email protected] wrote:

There's a chance to do that. If I recall correctly in the bootloader it is possible to press CTRL + U to boot from USB. I was never able to do that though.

https://chromium.googlesource.com/chromiumos/docs/+/master/debug_buttons.md

Ctrl + U: Boot the system from an external USB stick or SD card. The option crossystem dev_boot_usb=1 must be set from the command line before this option is available.

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PeterHindes avatar Aug 28 '19 00:08 PeterHindes

But pressing CTRL + U while booting the Pixel C shows a text saying that you could boot from USB, from what I can remember. I'll try and provide a proof.

You'll obviously need to attach an USB keyboard to the tablet though

denysvitali avatar Aug 28 '19 06:08 denysvitali

Proof: IMG_20190828_090803

denysvitali avatar Aug 28 '19 07:08 denysvitali

oh, i didn't know that, its probably a remnant from the chromeOS development

On Wed, Aug 28, 2019 at 1:12 AM Denys Vitali [email protected] wrote:

Proof: [image: IMG_20190828_090803] https://user-images.githubusercontent.com/4939519/63833695-f5933c80-c973-11e9-9c45-3a5074a8730e.jpg

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PeterHindes avatar Sep 11 '19 19:09 PeterHindes

how do you enable usb booting though? It says its disabled.

On Wed, Sep 11, 2019 at 1:46 PM Peter Hindes [email protected] wrote:

oh, i didn't know that, its probably a remnant from the chromeOS development

On Wed, Aug 28, 2019 at 1:12 AM Denys Vitali [email protected] wrote:

Proof: [image: IMG_20190828_090803] https://user-images.githubusercontent.com/4939519/63833695-f5933c80-c973-11e9-9c45-3a5074a8730e.jpg

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PeterHindes avatar Sep 11 '19 19:09 PeterHindes

I think you should put the Pixel C in developer mode using the switch located underneath the screen, then do something with the Cros EC. But I'm not sure, I've never done that

denysvitali avatar Sep 12 '19 05:09 denysvitali

It has already been 4 years, but if anyone still needs it we managed to enable booting from USB, see https://wiki.postmarketos.org/wiki/Google_Pixel_C_(google-smaug)#Enable_booting_from_USB

This issue can be closed i guess

jenneron avatar Aug 13 '23 10:08 jenneron