Re: Getting GUI to work with Xen PVMs

[Priya <pbhat@acis.ufl.edu>]

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All,

I have a 32 bit single processor dual core machines without hardware support
for virtualization on which I want to install the latest stable version of
Xen (4.0.0 ?), and then create a couple of para-virtual machines.

One of my requirements is to be able to access my PVMs remotely and run
graphics bases applications (glxgears, x11-perf, etc) on them. (An API
similar to XenCenter that works for Citrix
XenServer<http://community.citrix.com/display/xs/XenCenter>,
and in which you can access the console of all your VMs from a remote
machine would be even better).

I would like to get some recommendations about which is the good host
operating system, Xen version/settings and guest operating system to get
this to work. I found
this<http://bderzhavets.wordpress.com/2010/04/24/set-up-ubuntu-10-04-server-pv-domu-at-xen-4-0-dom0-pvops-2-6-32-10-kernel-dom0-on-top-of-ubuntu-10-04-server/>and
this<http://bderzhavets.wordpress.com/2010/06/02/setup-libvirt-0-8-0-xen-4-0-on-top-of-ubuntu-10-04-server-via-daniel-baumann-virtualization-ppa/>documentation
about installing Xen on Ubuntu 10.04 server and virt-install
(which I do not fully understand yet.)

One thought is to use Ubuntu 10.04 as my host OS, install Xen 4.0.0 and then
get  Ubuntu-xen-desktop<http://packages.ubuntu.com/hardy-backports/base/ubuntu-xen-desktop>
working
with a graphical interface as my PVM. Would this be the correct way to
proceed? Any thoughts or comments would be useful!

I guess most of my questions are rather naive. I apologize for that but I am
yet to see a Xen PVM with a GUI!

Thanks!


On Mon, Jul 19, 2010 at 9:24 PM, Priya <pbhat@acis.ufl.edu> wrote:

> Thanks for responding, Dan!
>
> Here is the (partial) output of "xm info":
> ---
>
> -bash-3.2$ sudo /usr/sbin/xm info
>
> Password:
>
> release                : 2.6.18-xen
>
> version                : #1 SMP Sat Mar 1 14:47:04 EST 2008
>
> machine                : i686
>
> nr_cpus                : 2
>
> nr_nodes               : 1
>
> sockets_per_node       : 2
>
> cores_per_socket       : 1
>
> threads_per_core       : 1
>
> cpu_mhz                : 3200
>
> hw_caps                : bfebfbff:20000000:00000000:00000180:0000641d
>
> total_memory           : 4095
>
> free_memory            : 0
>
> xen_major              : 3
>
> xen_minor              : 1
>
> xen_extra              : .0
>
> xen_caps               : xen-3.0-x86_32p
>
> xen_scheduler          : credit
>
> xen_pagesize           : 4096
>
> platform_params        : virt_start=0xf5800000
>
> xen_changeset          : unavailable
>
> cc_compiler            : gcc version 4.1.2 20070925 (Red Hat 4.1.2-33)
>
> cc_compile_by          : root
>
> cc_compile_date        : Sat Mar  1 13:44:07 EST 2008
>
> xend_config_format     : 4
>
>
> --
> You are right. This thing is ancient. I do not have root privileges on this
> machine and cannot change the xen-version. Do you think I could perhaps work
> around this problem somehow! :-(
>
> All I need to do for the time being is to get the GUI based application to
> work via the network really.
>
> Cheers
>
> On Mon, Jul 19, 2010 at 8:46 PM, Dan Magenheimer <
> dan.magenheimer@oracle.com> wrote:
>
>>  Use “xm info” in dom0 to find out the Xen version.  If it is indeed Xen
>> 3.0, that is so ancient that recent kernels are bound to have some problems.
>>
>>
>>
>> *From:* Priya [mailto:pbhat@acis.ufl.edu]
>> *Sent:* Monday, July 19, 2010 4:43 PM
>> *To:* xen-users@lists.xensource.com; xen-devel@lists.xensource.com
>> *Subject:* [Xen-devel] Getting GUI to work with Xen PVMs
>>
>>
>>
>> All,
>>
>> I am working with Xen 3.0 (I think, though can someone please tell me how
>> I could verify this!)
>>
>>
>>
>> I want to install a couple of PVM which I could access with a X-terminal.
>> (I don't know if I am using the correct terminology here, so I will
>> elaborate: I want to start my PVM, ssh to them using the -X option [ssh -X
>> user@pvm_ip] from another machine, and be able to run a command like
>> "glxgears", so that a pop up window showing the gears-animation shows up and
>> the console prints the FPS information).
>>
>>
>>
>> At this point, I already have a PVM installed running a guest OS with
>> kernel 2.6.24-16-xen. However when I try to install "nvidia-glx" for the
>> glxgears API I get the following error:
>>
>>
>>
>> ----------------
>>
>>   root@xen13:~# sudo apt-get install nvidia-glx
>>
>>   Reading package lists... Done
>>
>>   Building dependency tree
>>
>>   Reading state information... Done
>>
>>   The following extra packages will be installed:
>>
>>     binutils-static cpp cpp-4.2 libdrm2 libfontenc1 libfreetype6
>> libgl1-mesa-glx
>>
>>     libglu1-mesa libhal1 libice6 libpixman-1-0 libsm6 libx11-6
>> libx11-data
>>
>>     libxau6 libxaw7 libxcb-xlib0 libxcb1 libxdamage1 libxdmcp6 libxext6
>>
>>     libxfixes3 libxfont1 libxi6 libxkbfile1 libxmu6 libxpm4 libxt6
>> libxxf86vm1
>>
>>     linux-restricted-modules-common mdetect x11-xkb-utils xserver-xorg
>>
>>     xserver-xorg-core xserver-xorg-input-all xserver-xorg-input-evdev
>>
>>     xserver-xorg-input-kbd xserver-xorg-input-mouse
>> xserver-xorg-input-synaptics
>>
>>     xserver-xorg-input-vmmouse xserver-xorg-input-wacom
>>
>>   Suggested packages:
>>
>>     cpp-doc gcc-4.2-locales libfreetype6-dev nvidia-kernel-source
>>
>>     nvidia-settings xfonts-100dpi xfonts-75dpi xfonts-scalable gsynaptics
>>
>>     ksynaptics qsynaptics wacom-tools
>>
>>   Recommended packages:
>>
>>     displayconfig-gtk libgl1-mesa-dri xfonts-base
>>
>>   The following NEW packages will be installed:
>>
>>     binutils-static cpp cpp-4.2 libdrm2 libfontenc1 libfreetype6
>> libgl1-mesa-glx
>>
>>     libglu1-mesa libhal1 libice6 libpixman-1-0 libsm6 libx11-6
>> libx11-data
>>
>>     libxau6 libxaw7 libxcb-xlib0 libxcb1 libxdamage1 libxdmcp6 libxext6
>>
>>     libxfixes3 libxfont1 libxi6 libxkbfile1 libxmu6 libxpm4 libxt6
>> libxxf86vm1
>>
>>     linux-restricted-modules-common mdetect nvidia-glx x11-xkb-utils
>>
>>     xserver-xorg xserver-xorg-core xserver-xorg-input-all
>>
>>     xserver-xorg-input-evdev xserver-xorg-input-kbd
>> xserver-xorg-input-mouse
>>
>>     xserver-xorg-input-synaptics xserver-xorg-input-vmmouse
>>
>>     xserver-xorg-input-wacom
>>
>>   0 upgraded, 42 newly installed, 0 to remove and 0 not upgraded.
>>
>>   7 not fully installed or removed.
>>
>>   Need to get 0B/14.4MB of archives.
>>
>>   After this operation, 41.2MB of additional disk space will be used.
>>
>>   Do you want to continue [Y/n]? y
>>
>>   Extracting templates from packages: 100%
>>
>>   Preconfiguring packages ...
>>
>>   Setting up x11-common (1:7.3+10ubuntu10.2) ...
>>
>>   Segmentation fault
>>
>>   dpkg: error processing x11-common (--configure):
>>
>>    subprocess post-installation script returned error exit status 139
>>
>>   Errors were encountered while processing:
>>
>>    x11-common
>>
>>   E: Sub-process /usr/bin/dpkg returned an error code (1)
>>
>>
>>
>> -------------------
>>
>>
>>
>>  I Googled this error and found a number of suggestions<http://ubuntuforums.org/showthread.php?t=318206>.
>> But all the suggested work-arounds lead me to this same error. What am I
>> missing here?
>>
>>
>>
>> Do I indeed need to install nvidia-glx on my PVM ?
>>
>> Any advice would be helpful!
>>
>> --
>>
>> Priya Bhat
>>
>>
>>
>>
>>
>
>
>
> --
> Priya Bhat
>
>
>


-- 
Priya Bhat

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