Date: Tue, 26 Jul 2011 16:40:25 -0700 From: Sean Bruno <seanbru@yahoo-inc.com> To: "Luke S. Crawford" <lsc@prgmr.com> Cc: "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org> Subject: Re: FreeBSD 8, PV i386 VNC fails? Message-ID: <1311723625.3927.22.camel@hitfishpass-lx.corp.yahoo.com> In-Reply-To: <20110726221846.GE22861@luke.xen.prgmr.com> References: <1311716918.3927.20.camel@hitfishpass-lx.corp.yahoo.com> <4E2F3A00.7060404@freebsd.org> <20110726221846.GE22861@luke.xen.prgmr.com>
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On Tue, 2011-07-26 at 15:18 -0700, Luke S. Crawford wrote: > On Tue, Jul 26, 2011 at 03:04:48PM -0700, Colin Percival wrote: > > On 07/26/11 14:48, Sean Bruno wrote: > > > Probably not doing it right. When I switched from pure HVM to PV on the > > > i386 VMs in the cluster, VNC stopped working all together. Did I do it > > > wrong? > > > > Is it possible to use PV with VNC? I thought under PV there wasn't any > > emulated console, just the Xen paravirtual console which lets you read > > and write characters as on a serial console. > > It's possible, redhat built a paravirtualized framebuffer to give > pv guests a framebuffer > > http://www.xen.org/files/xensummit_4/Xenpvfb07_Armbruster.pdf > > I imagine the problem is probably hypervisor dependent; I mean, > I don't know anyone who actually used the paravirtualized framebuffer, > so it's probably not well tested, and may suffer from bit rot as other > features are added to xen. I tested it, /I believe/ on rhel/centos 5.3. > _______________________________________________ I think that sort of makes sense to me. That is, there would need to be a PV framebuffer driver for PV mode to use it. I guess. Sean
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