Re: [Xen-users] pci graphics in paravirtual domU

To:	"Julian Davison" <julian-xen_users@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] pci graphics in paravirtual domU
From:	"Henning Sprang" <henning_sprang@xxxxxx>
Date:	Wed, 31 Jan 2007 14:49:22 +0100
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On 1/31/07, Julian Davison <julian-xen_users@xxxxxxxxxxxxxxxxxxx> wrote:

Henning Sprang wrote:
> On 1/31/07, Marduk <xen@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> Actually another reason that it might *not* work is that some X drivers
>> depend on the system vga bios, which AFAIK doesn't exist on a DomU even
>> if you use PCI passthrough.
>
> That might explain that I did not found anybody actually doing it...

Also depends on where you searched :)


Depends on what to search for :)

I searched quite a lot and in many places, and with many different
keywords - I don't know why I didn't found yours (BTW: no need to copy
the whole text, I can click on links :) ).

I found a post from someone talking about "sharvt" option, which I now
understand is actually sharevts...

I think I am finally more on the side of Marduk and will try the
solutions proposed by him.

Anyway, I tried your proposal, when running it with the command you
propose, I get

service-db:~# Xorg -novtswitch -sharevts vt1 -configure

X Window System Version 7.1.1
Release Date: 12 May 2006
X Protocol Version 11, Revision 0, Release 7.1.1
Build Operating System: UNKNOWN
Current Operating System: Linux service-db 2.6.18-3-xen-686 #1 SMP Mon
Dec 4 20:48:20 UTC 2006 i686
Build Date: 30 December 2006
       Before reporting problems, check http://wiki.x.org
       to make sure that you have the latest version.
Module Loader present
Markers: (--) probed, (**) from config file, (==) default setting,
       (++) from command line, (!!) notice, (II) informational,
       (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
(==) Log file: "/var/log/Xorg.0.log", Time: Wed Jan 31 14:32:40 2007
List of video drivers:
       mga
       r128
       radeon
       ati
       atimisc
       fglrx
       fbdev
(EE) end of block range 0xffff < begin 0xdf7f0000

Backtrace:
0: Xorg(xf86SigHandler+0x84) [0x80c4354]
1: [0xb7f79420]
2: /usr/lib/xorg/modules/drivers/fglrx_drv.so(R200Probe+0x121) [0xb79a0fd1]
3: Xorg(DoConfigure+0x20c) [0x80b60dc]
4: Xorg(InitOutput+0x66a) [0x80a018a]
5: Xorg(main+0x276) [0x806e486]
6: /lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xc8) [0xb7d85ea8]
7: Xorg(FontFileCompleteXLFD+0xa9) [0x806d9d1]

Fatal server error:
Caught signal 11.  Server aborting

Aborted

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