Il giorno lun 5 apr 2021 alle ore 23:22 Peter Robinson
<pbrobinson@gmail.com> ha scritto:
>
> On Thu, Mar 25, 2021 at 10:30 AM Massimiliano <massi.ergosum@gmail.com> wrote:
> >
> > I'm trying to understand if it's possible to boot the Librem 5 from an
> > external usb drive [1].
>
> Fedora will boot off what ever storage the firmware supports, it also
> depends on where you expect the firmware to resided.
>
As far I understand [1] uboot cannot read from SD card because it's attached
behind an USB hub.
> > I think that kexec could be a good start point.
>
> Not sure what kexec provides in this context.
>
My idea is:
1- Install Fedora on a SD card partition using virtualization
2- Insert SD card into L5 slot
3- Boot L5: the PureOS system will be loaded
4- Open a terminal as root
5- Use kexec to boot the Fedora kernel from SD card
Unfortunately [1] it seems that kexec doesn't work.
A different way has been proposed: configure an alternative
boot using an environment variable. Not very simple indeed.
Thanks
[1] https://forums.puri.sm/t/multi-boot-for-other-os-in-librem-5/12701/9
[2] https://forums.puri.sm/t/multi-boot-for-other-os-in-librem-5/12701/15
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