[Xen-devel] Re: [PATCH] pv-grub: fix boot crash when no fb is available

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 04/06/2010 11:22 AM, David P. Quigley wrote:
> I'm under the impression that if you just do tap:aio it instantiates a
> blktap device not a blktap2 device. There are definitely different
> blktap controller classes in xend which handle entries using tapdisk and
> ones just using tap.
>    
The pvops dom0 doesn't have blktap support, only blktap2 (unless blktap2 
does a back-compat thing?).  Or maybe it falls back to plain blkback?
    J

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