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

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Message-ID: <20160814092044.GA20392@amd>
Date:	Sun, 14 Aug 2016 11:20:44 +0200
From:	Pavel Machek <pavel@....cz>
To:	kernel list <linux-kernel@...r.kernel.org>,
	jamespharvey20@...il.com, regressions@...mhuis.info
Cc:	hdegoede@...hat.com, tj@...nel.org, linux-ide@...r.kernel.org,
	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	oliver@...kum.org, stern@...land.harvard.edu
Subject: Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot.
 [Re: Who reordered my disks (probably v4.8-rc1 problem)]

Hi!

> It seems that in v4.8-rc0, /dev/sdX got reordered, and now USB devices
> are probed before SATA drivers. That is pretty anti-social. It
> broke my boot on my primary machine, and unfortunately due to BIOS
> problems (keyboard does not work when connected through a hub) it is
> less fun than it should be.

If you know which commit caused	the reordering, that would be helpful.

v4.1 seems to be ok: SATA disk is sda, as expected.

v4.4 seems to be ok: SATA disk is sda, as expected.

I'll test v4.6 next.

v4.8-rc1: SATA disk is sde, behind USB card readers. Not helpful.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html