From: Greg KH <greg@kroah.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: david@lang.hm, Rob Landley <rob@landley.net>,
Julian Calaby <julian.calaby@gmail.com>,
Theodore Tso <tytso@mit.edu>,
James Bottomley <James.Bottomley@steeleye.com>,
linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
Jens Axboe <axboe@suse.de>,
Suparna Bhattacharya <suparna@in.ibm.com>,
Nick Piggin <piggin@cyberone.com.au>
Subject: Re: What still uses the block layer?
Date: Mon, 15 Oct 2007 21:21:04 -0700 [thread overview]
Message-ID: <20071016042104.GA7854@kroah.com> (raw)
In-Reply-To: <20071016040401.GA15744@parisc-linux.org>
On Mon, Oct 15, 2007 at 10:04:01PM -0600, Matthew Wilcox wrote:
> On Mon, Oct 15, 2007 at 07:54:22PM -0700, david@lang.hm wrote:
> > do PCI devices reorder their bus numbers spontaniously, or only if you
> > change the hardware?
>
> The only system I've had that reordered PCI bus numbers was when I had a
> partitionable system and changed the partitioning. Not quite "change
> the hardware", but neither was it "spontaneous". It was certainly
> unexpected (for me).
>
> Greg probably has quite different examples.
Changing the hardware (adding a new PCI device or removing one) are the
most common times this happens. But I have seen reports of this
happening when you upgrade/downgrade BIOS versions, and, in some
oops-we-messed-up cases, when we changed things in the kernel.
thanks,
greg k-h
next prev parent reply other threads:[~2007-10-16 4:21 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-12 1:11 What still uses the block layer? Rob Landley
2007-10-13 22:05 ` Matthew Wilcox
2007-10-14 5:54 ` David Newall
2007-10-14 17:46 ` Stefan Richter
2007-10-14 22:35 ` Tilman Schmidt
2007-10-14 23:36 ` Rob Landley
2007-10-15 1:23 ` Neil Brown
2007-10-15 5:44 ` Stefan Richter
2007-10-15 9:26 ` Rob Landley
2007-10-15 16:08 ` Matthew Wilcox
2007-10-15 17:10 ` Stefan Richter
2007-10-16 3:06 ` david
2007-10-16 5:56 ` Stefan Richter
2007-10-16 10:19 ` Alan Cox
2007-10-16 19:54 ` david
2007-10-16 19:54 ` Matthew Wilcox
2007-10-16 20:18 ` Stefan Richter
2007-10-16 20:34 ` Theodore Tso
2007-10-16 20:56 ` Stefan Richter
2007-10-16 20:56 ` Stefan Richter
2007-10-16 20:55 ` david
2007-10-16 21:49 ` Alan Cox
2007-10-17 9:48 ` Gabor Gombas
2007-10-17 17:23 ` Stefan Richter
2007-10-17 17:23 ` Stefan Richter
2007-10-17 21:04 ` david
2007-10-15 20:29 ` Wilfried Klaebe
2007-10-14 22:24 ` James Bottomley
2007-10-14 23:45 ` Rob Landley
2007-10-15 1:45 ` Theodore Tso
2007-10-15 8:04 ` Rob Landley
2007-10-15 9:06 ` Julian Calaby
2007-10-15 10:08 ` Rob Landley
2007-10-15 17:33 ` Greg KH
2007-10-16 2:54 ` david
2007-10-16 4:04 ` Matthew Wilcox
2007-10-16 4:11 ` Arjan van de Ven
2007-10-16 4:15 ` david
2007-10-16 4:21 ` Greg KH [this message]
2007-10-16 5:00 ` david
[not found] ` <646765f40710150327i78519a0fvaea7a83d5975b180@mail.gmail.com>
[not found] ` <200710151511.29748.rob@landley.net>
2007-10-15 23:49 ` Julian Calaby
2007-10-15 10:32 ` Loïc Grenié
2007-10-15 10:32 ` Loïc Grenié
2007-10-15 21:09 ` Rob Landley
2007-10-15 21:09 ` Rob Landley
2007-10-15 11:19 ` Neil Brown
2007-10-15 21:34 ` Rob Landley
2007-10-15 21:46 ` Jeff Garzik
2007-10-15 22:01 ` Alan Cox
2007-10-15 23:41 ` Neil Brown
2007-10-16 2:12 ` david
2007-10-15 13:21 ` Theodore Tso
2007-10-15 13:29 ` Alan Cox
2007-10-15 13:35 ` Theodore Tso
2007-10-15 17:44 ` Jeff Garzik
2007-10-15 14:46 ` Douglas Gilbert
2007-10-15 14:46 ` Douglas Gilbert
2007-10-16 2:51 ` david
2007-10-15 13:37 ` OOM killer gripe (was Re: What still uses the block layer?) Nick Piggin
2007-10-15 9:52 ` Rob Landley
2007-10-15 15:08 ` Nick Piggin
2007-10-16 6:22 ` David Newall
2007-10-20 9:48 ` Pavel Machek
2007-10-15 11:40 ` Theodore Tso
2007-10-20 9:50 ` Pavel Machek
2007-10-20 9:50 ` Pavel Machek
2007-10-16 3:55 ` Eric W. Biederman
2007-10-16 4:10 ` david
2007-10-16 4:45 ` Eric W. Biederman
2007-10-16 6:59 ` Nick Piggin
2007-10-16 4:38 ` Eric W. Biederman
2007-10-16 6:38 ` Rob Landley
2007-10-16 9:31 ` Eric W. Biederman
2007-10-16 10:28 ` Alan Cox
2007-10-16 23:59 ` Rob Landley
2007-10-16 7:34 ` Nick Piggin
2007-10-18 13:00 ` Rogier Wolff
2007-10-19 6:49 ` Rob Landley
2007-10-19 7:21 ` Rogier Wolff
2007-10-16 20:37 ` Andrew Morton
2007-10-17 5:34 ` What still uses the block layer? Valdis.Kletnieks
2007-10-17 6:07 ` david
2007-10-15 6:00 ` Greg KH
2007-10-15 8:36 ` Rob Landley
2007-10-15 13:08 ` Alan Cox
2007-10-15 14:00 ` Arjan van de Ven
2007-10-15 18:56 ` Matthew Garrett
2007-10-15 17:25 ` Greg KH
2007-10-15 18:00 ` Matthew Wilcox
2007-10-15 18:46 ` Jeff Garzik
2007-10-16 6:33 ` Stefan Richter
2007-10-17 23:43 ` Bill Davidsen
2007-10-15 22:54 ` Rob Landley
2007-10-15 8:52 ` Christoph Hellwig
2007-10-15 13:10 ` James Bottomley
2007-10-15 21:51 ` Rob Landley
2007-10-15 0:45 ` Luben Tuikov
2007-10-15 6:51 ` Rob Landley
2007-10-15 8:37 ` Luben Tuikov
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