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Re: Unable to boot GuixSD USB stick

From: 良ϖ
Subject: Re: Unable to boot GuixSD USB stick
Date: Mon, 10 Apr 2017 07:37:12 +0000

For the record, perhaps it would be useful to others in the same
situation to be hinted to read what's in grub.cfg: it contains the
reference to boot file and boot prompt (see the menu entry).

Using these references I was able to complete a boot. Don't forget to
include all options in the "linux …" command (boot file)


On 10/04/2017, 良ϖ <address@hidden> wrote:
> I've got some new stuff:
> Using Grub2 command line I am able to invoke `ls` to see all available
> device / partitions and guixsd bootable partition is present as
> (hd0,msdos1).
> So I want to boot Linux manually from Grub2 command line.
> set root=(hd0,msdos1)
> Next steps are to set boot files and boot prompt. I found nothing like
> "vmlinuz" at the root (it would be too easy) but after some meandering
> I find the two files /boot/grub/i386-pc/core.img and
> /boot/grub/i386-pc/boot.img
> linux /boot/grub/i386-pc/core.img
> returns error: "invalid magic number"
> linux /boot/grub/i386-pc/boot.img
> returns error: "unexpected end of file /boot/grub/i386-pc/boot.img"
> I have some questions:
> - Where in the bootable partition is the boot file I should launch?
> - If this boot file is core.img, how should I fix this magic number?
> - If this boot file is boot.img, how do I make sure the file has been
> correctly copied?
> - Is the image really usable "out of the box" or does it require some
> tuning?
> Thanks in advance.
> piotr
> On 09/04/2017, 良ϖ <address@hidden> wrote:
>> Hi,
>> I've followed instructions on this page:
>> everything goes smoothly and at the end I get a partition named
>> "gnu-disk-image" with flag "boot". Sounds good. When I mount it it's a
>> classical GNU / Linux root with folders bin, root, dev, etc, gnu,
>> home, mnt, root, run, tmp and var.
>> However when I reboot the key isn't recognised by my laptop so I'm
>> unable to install it :'(
>> Any ideas how I could solve that?
>> Thanks in advance,
>> piotr

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