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Re: 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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From Oliver Neukum <oneukum@suse.com>
Newsgroups linux.kernel
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 16:20:01 +0200
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On Sun, 2016-08-14 at 10:53 +0000, Tom Yan wrote:
> Btw, why hasn't this been CC'd to linux-scsi at the very least? The
> SCSI disk (sd) driver is obviously the sociopath here. It should
> really differentiate disks from libata and usb-storage/uas, and wait
> for at least a minute to see if there's gonna be an ATA drive popping
> up before enumerating disks from the latter. Sociopaths like me that
> put the root filesystem on an UAS drive should really be ignored.
> Wait, there's NVMe! Problem solved.

We most certainly cannot introduce such a delay. If this really
must be done, we need synchronisation primitives between the
subsystemes, or we need stable names in kernel space.

	Regards
		Oliver

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Thread

Who reordered my disks (probably v4.8-rc1 problem) Pavel Machek <pavel@ucw.cz> - 2016-08-14 10:40 +0200
  Re: Who reordered my disks (probably v4.8-rc1 problem) james harvey <jamespharvey20@gmail.com> - 2016-08-14 11:10 +0200
    Re: Who reordered my disks (probably v4.8-rc1 problem) Pavel Machek <pavel@ucw.cz> - 2016-08-14 11:10 +0200
      Re: Who reordered my disks (probably v4.8-rc1 problem) james harvey <jamespharvey20@gmail.com> - 2016-08-14 23:50 +0200
    Re: Who reordered my disks (probably v4.8-rc1 problem) Bob Tracy <rct@gherkin.frus.com> - 2016-08-14 15:40 +0200
  Regression - SATA disks behind USB ones on v4.8-rc1, breaking boot.  [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 11:30 +0200
    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 <tom.ty89@gmail.com> - 2016-08-14 11:40 +0200
      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 <tom.ty89@gmail.com> - 2016-08-14 12:10 +0200
        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 <tom.ty89@gmail.com> - 2016-08-14 12:20 +0200
          Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] David Lang <david@lang.hm> - 2016-08-14 12:40 +0200
            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 <tom.ty89@gmail.com> - 2016-08-14 13:00 +0200
              Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Oliver Neukum <oneukum@suse.com> - 2016-08-14 16:20 +0200
            Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Greg KH <gregkh@linuxfoundation.org> - 2016-08-14 14:00 +0200
              Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 14:10 +0200
                Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Greg KH <gregkh@linuxfoundation.org> - 2016-08-14 16:20 +0200
                Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Alan Stern <stern@rowland.harvard.edu> - 2016-08-14 17:00 +0200
                Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 18:20 +0200
          Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 13:20 +0200
            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 <tom.ty89@gmail.com> - 2016-08-14 13:50 +0200
      Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 12:10 +0200
      Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk> - 2016-08-14 18:10 +0200
    Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 12:20 +0200
      Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 18:10 +0200
        Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Pavel Machek <pavel@ucw.cz> - 2016-08-14 20:00 +0200
          Re: Regression - SATA disks behind USB ones on v4.8-rc1, breaking  boot. [Re: Who reordered my disks (probably v4.8-rc1 problem)] Hans de Goede <hdegoede@redhat.com> - 2016-08-14 20:30 +0200
  Re: Who reordered my disks (probably v4.8-rc1 problem) "Austin S. Hemmelgarn" <ahferroin7@gmail.com> - 2016-08-15 17:10 +0200

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