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Message-ID: <20071015211116.0fc24692@laptopd505.fenrus.org>
Date: Mon, 15 Oct 2007 21:11:16 -0700
From: Arjan van de Ven <arjan@...radead.org>
To: Matthew Wilcox <matthew@....cx>
Cc: david@...g.hm, Greg KH <greg@...ah.com>,
Rob Landley <rob@...dley.net>,
Julian Calaby <julian.calaby@...il.com>,
Theodore Tso <tytso@....edu>,
James Bottomley <James.Bottomley@...eleye.com>,
linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
Jens Axboe <axboe@...e.de>,
Suparna Bhattacharya <suparna@...ibm.com>,
Nick Piggin <piggin@...erone.com.au>
Subject: Re: What still uses the block layer?
On Mon, 15 Oct 2007 22:04:01 -0600
Matthew Wilcox <matthew@....cx> wrote:
> On Mon, Oct 15, 2007 at 07:54:22PM -0700, david@...g.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).
>
a very common one is booting your laptop docked (a real dock, not just
a port extender) versus non-docked....
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