From: "Pasi Kärkkäinen" <pasik@iki.fi>
To: Anthony PERARD <anthony.perard@citrix.com>
Cc: xen-devel@lists.xenproject.org, stefano.stabellini@citrix.com,
donald.d.dugger@intel.com
Subject: Re: qemu-xen-dir + PCI passthrough = BOOM
Date: Thu, 9 Jan 2014 17:43:38 +0200 [thread overview]
Message-ID: <20140109154338.GD2924@reaktio.net> (raw)
In-Reply-To: <20140109153640.GC2924@reaktio.net>
On Thu, Jan 09, 2014 at 05:36:40PM +0200, Pasi Kärkkäinen wrote:
> > >
> > > I can boot the guest.
> >
> > And can you access the ROM from the guest ?
> >
> >
> > Also, I have another patch, it will initialize the PCI ROM BAR like any
> > other BAR. In this case, if qemu is envolved in the access to ROM, it
> > will print an error, like it the case for other BAR.
> >
> > I tried to test it, but it was with an embedded VGA card. When I dump
> > the ROM, I got the same one as the emulated card instead of the ROM from
> > the device.
> >
>
> This issue has been reported multiple times on the list, and discussed during the last couple of months on another threads,
> mostly related to GPU passthru.
>
> I think some clues were found recently about why you get the emulated rom instead of the actual device rom.
> Sorry that I don't have the link available right now..
>
Heh.. it seems it was Konrad in this very same thread :)
http://lists.xen.org/archives/html/xen-devel/2013-12/msg02837.html
-- Pasi
next prev parent reply other threads:[~2014-01-09 15:43 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-04 19:51 qemu-xen-dir + PCI passthrough = BOOM Konrad Rzeszutek Wilk
2013-12-05 12:16 ` Anthony PERARD
2013-12-06 14:49 ` Konrad Rzeszutek Wilk
2013-12-06 15:35 ` Anthony PERARD
2013-12-06 16:00 ` Wei Liu
2013-12-06 16:03 ` Wei Liu
2013-12-16 15:08 ` Konrad Rzeszutek Wilk
2013-12-18 14:48 ` Anthony PERARD
2013-12-18 14:57 ` Ian Campbell
2013-12-18 15:22 ` Konrad Rzeszutek Wilk
2013-12-18 16:13 ` Ian Campbell
2013-12-18 16:18 ` Konrad Rzeszutek Wilk
2013-12-22 11:25 ` Wu, Feng
2013-12-31 15:30 ` Konrad Rzeszutek Wilk
2014-01-06 9:54 ` Ian Campbell
2014-01-07 0:27 ` Wu, Feng
2014-01-08 19:44 ` Konrad Rzeszutek Wilk
2014-01-09 14:56 ` Anthony PERARD
2014-01-09 15:36 ` Pasi Kärkkäinen
2014-01-09 15:43 ` Pasi Kärkkäinen [this message]
2014-01-09 23:54 ` Sander Eikelenboom
2014-01-10 0:17 ` Sander Eikelenboom
2014-01-10 0:22 ` Sander Eikelenboom
2014-01-10 3:28 ` Konrad Rzeszutek Wilk
2014-01-10 15:19 ` Anthony PERARD
2014-01-10 16:05 ` Sander Eikelenboom
2014-01-10 16:25 ` Anthony PERARD
2014-01-10 16:38 ` Sander Eikelenboom
2014-01-10 16:35 ` Konrad Rzeszutek Wilk
2014-01-10 17:38 ` Sander Eikelenboom
2014-01-10 18:01 ` Konrad Rzeszutek Wilk
2014-01-26 0:05 ` Zhang, Yang Z
2014-01-27 12:12 ` Stefano Stabellini
2014-01-27 15:34 ` Zhang, Yang Z
2014-01-27 15:37 ` Stefano Stabellini
2014-01-31 15:23 ` Stefano Stabellini
2014-01-26 2:15 ` Zhang, Yang Z
2014-01-16 6:40 ` Zhang, Yang Z
2014-01-16 11:36 ` Konrad Rzeszutek Wilk
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