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

["David P. Quigley" <dpquigl@xxxxxxxxxxxxx>]

On Tue, 2010-04-06 at 11:16 -0700, Jeremy Fitzhardinge wrote:
> On 04/06/2010 08:42 AM, David P. Quigley wrote:
> > This did help. I've gotten to a grub prompt now. Apparently there is an
> > issue with blktap2 and pv-grub. I'm going to work on getting it to boot
> > with the new disk line then we can work on getting blktap2 to work
> > later.
> >    
> 
> I have no problem with blktap2 pvgrub, but my storage is a bit different:
> 
>     'tap:aio:/dev/vg_lilith-raid/xen-f13-64,xvda,w'
> 
> (no "tapdisk").  I'm not sure what the difference is.
> 
>      J

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.

Dave


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