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Re: [Xen-devel] [PATCH] docs: document vbd numbering and naming

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] docs: document vbd numbering and naming
From: Olaf Hering <olaf@xxxxxxxxx>
Date: Thu, 10 Feb 2011 17:03:46 +0100
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
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On Thu, Feb 10, Ian Campbell wrote:

> On Tue, 2011-02-08 at 15:25 +0000, Ian Jackson wrote:

> > +Some Linux HVM guests with broken PV-on-HVM drivers do not cope
> > +properly if both hda and hdc are supplied, nor with both hda and xvda,
> > +because they directly map the bottom 8 bits of the xenstore integer
> > +directly to the Linux guest's device number and throw away the rest;
> > +they can crash due to minor number clashes.  With these guests, the
> > +workaround is not to supply problematic combinations of devices.

Is "hda and hdc" correct in this paragraph?

Olaf

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