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Re: [Xen-devel] pvgrub boot problems

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>, M A Young <m.a.young@xxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] pvgrub boot problems
From: Samuel Thibault <samuel.thibault@xxxxxxxxxxxx>
Date: Tue, 6 Apr 2010 22:44:14 +0200
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References: <20100327105311.GU1878@xxxxxxxxxxx> <C7D39A1F.E823%keir.fraser@xxxxxxxxxxxxx> <20100327112400.GW1878@xxxxxxxxxxx> <alpine.LFD.2.00.1003271919490.5501@xxxxxxxxxxxxxxx> <4BAE856E.5090902@xxxxxxxx> <alpine.LFD.2.00.1003272239290.3843@xxxxxxxxxxxxxxx> <4BAE8FD1.1000700@xxxxxxxx> <20100405235705.GN23034@xxxxxxxxxxxxxxxxxxxxxxxxx> <4BBA803F.8070902@xxxxxxxx> <20100406202855.GH4015@xxxxxxxxxxxxxxxxxxxxxxxxx>
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Samuel Thibault, le Tue 06 Apr 2010 22:28:55 +0200, a écrit :
> Jeremy Fitzhardinge, le Mon 05 Apr 2010 17:28:47 -0700, a écrit :
> > On 04/05/2010 04:57 PM, Samuel Thibault wrote:
> > >Jeremy, just to make sure, does the kbd semaphore patch not fix this
> > >case too?
> > >   
> > 
> > No, afraid not.  I applied all the patches you posted today but I get 
> > the same failure when using vfb.
> Could you try commenting the two free_page() calls in fbfront.c?

(BTW, this is an example where using grants instead of MFNs in the
interface makes things simpler to make sure who is still writing to a
shared ring...)


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