On Sun, 14 Aug 2016 17:34:18 +0800
Tom Yan <tom.t...@gmail.com> wrote:
> Since when it is expected that SATA disks will always be probed before
> USB disks? We can't guarantee that even if we make sure all ata
> drivers are loaded before usb-storage/uas. That's why we need
> consistent namings (e.g. /dev/disk/by-id/*).

It hasn't. It isn't even true on older kernels and can depend on all
sorts of things. I have boxes that will put the USB first, and a 10
second google search says I'm not alone

http://serverfault.com/questions/322946/ensure-usb-disk-is-never-sda-even-when-booting-from-it

So your "regression" goes back to at least 2011.

Alan
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