Allan Duncan via luv-main
<[email protected]> writes:

> I have a number of bootable USB sticks, all 32 bit.  These work fine
> on all my boxes, and work quite well with the one box that will
> actually _boot_ USB3.
>
> I would like to do a 64 bit variant of this and just tweaked an
> existing system to fit onto a 16 G USB stick.  This starts off booting
> and then times out because it can't find the root device.
> Delving around in the minimalist emergency environment shows that the
> USB device is indeed not present - blkid shows all the other devices.
> The normal boot uses UUID identifiers and non-EFI.
>
> The kernel in the initramfs has all the USB drivers builtin.
> Btw - is there an easy way to unpick initramfs - I found I needed to
> lop off the uncompressed leading cpio to get at the gzipped cpio
> filesystem that followed?

First of all we need to know what distro this is.

Debian (initramfs-tools) & Fedora (dracut) ramdisks work very
differently.  I've never seen the "lop off" part you describe on Debian.
(I negligible experience with other ramdisks.)

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