Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)]

[Tom Yan]

On 14 August 2016 at 18:01, Pavel Machek <pavel@xxxxxx> wrote:
>
> Since SATA support was merged, certainly since v2.4, and from way
> before /dev/disk/by-id existed.

I have no idea how "SATA before USB" had been done in the past (if it
was ever a thing in the kernel), but that has not been the case since
at least v3.0 AFAIR.

>
> People may not run udev, and you can't use /dev/disk/by-id on kernel
> command line.
>

No, but you can always use root=PARTUUID=, that's built into the
kernel. (root=UUID= requires udev or so though).