From: Pavel Machek <pavel@ucw.cz>
To: Tom Yan <tom.ty89@gmail.com>
Cc: kernel list <linux-kernel@vger.kernel.org>,
jamespharvey20@gmail.com, regressions@leemhuis.info,
hdegoede@redhat.com, Tejun Heo <tj@kernel.org>,
linux-ide@vger.kernel.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org, oliver@neukum.org,
stern@rowland.harvard.edu
Subject: Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)]
Date: Sun, 14 Aug 2016 12:01:02 +0200 [thread overview]
Message-ID: <20160814100102.GA31847@amd> (raw)
In-Reply-To: <CAGnHSEmtgGO5QjfamnN0VPOO2w-4GrZQvPnbkBVdtWBPTnLieA@mail.gmail.com>
On Sun 2016-08-14 17:34:18, Tom Yan 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/*).
Since SATA support was merged, certainly since v2.4, and from way
before /dev/disk/by-id existed.
People may not run udev, and you can't use /dev/disk/by-id on kernel
command line.
Pavel
> On 14 August 2016 at 17:20, Pavel Machek <pavel@ucw.cz> wrote:
> > 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
> > --
> > To unsubscribe from this list: send the line "unsubscribe linux-ide" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2016-08-14 10:01 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-13 19:30 Who reordered my disks (probably v4.8-rc1 problem) Pavel Machek
2016-08-14 9:03 ` james harvey
2016-08-14 9:09 ` Pavel Machek
2016-08-14 21:40 ` james harvey
2016-08-14 12:38 ` Bob Tracy
2016-08-14 9:20 ` Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek
2016-08-14 9:34 ` Tom Yan
2016-08-14 10:01 ` Pavel Machek [this message]
2016-08-14 10:07 ` Tom Yan
2016-08-14 10:17 ` Tom Yan
2016-08-14 10:26 ` David Lang
2016-08-14 10:53 ` Tom Yan
2016-08-14 14:14 ` Oliver Neukum
[not found] ` <alpine.DEB.2.02.1608140322400.9045-UEhY+ZBZOcqqLGM74eQ/YA@public.gmane.org>
2016-08-14 11:29 ` Greg KH
2016-08-14 11:29 ` Greg KH
2016-08-14 12:03 ` Pavel Machek
2016-08-14 14:15 ` Greg KH
2016-08-14 14:56 ` Alan Stern
2016-08-14 14:56 ` Alan Stern
2016-08-14 16:13 ` Pavel Machek
2016-08-14 11:10 ` Pavel Machek
2016-08-14 11:41 ` Tom Yan
2016-08-14 16:09 ` One Thousand Gnomes
2016-08-14 10:14 ` Pavel Machek
2016-08-14 16:06 ` Pavel Machek
2016-08-14 17:55 ` Pavel Machek
2016-08-14 18:22 ` Hans de Goede
2016-08-15 15:05 ` Who reordered my disks (probably v4.8-rc1 problem) Austin S. Hemmelgarn
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