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xen-devel
Re: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS Kernel
At the moment there is only one network card installed on my lab PC in
my company running OpenSUSE 11.1 32-bit with Xen 3.4.1-rc8 Dom 0 kernel
2.6.30-rc6 (jeremy). So when there are more network cards installed,
there will be eth0, eth1, eth2 ethernet bridges, etc.
Then I can assign the virtual network card in each virtual machine to a
specific ethernet network bridge (out of many bridges) in Domain 0
using the vif command in guest domain configuration.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Mr. Teo En Ming (Zhang Enming) wrote:
Dear Boris,
The ethernet network bridge on OpenSUSE 11.1 is eth0.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Boris Derzhavets wrote:
This means that OSOL installer (by default ) will issue
DHCPDISCOVER via your Xen bridge, looking for DHCP server on your LAN.
Only on RHEL 5.3
(F10 with Xen 3.3.1 src.rpm been installed along with generated
packages) with libvirtd & dnsmasq up and running you can specify
vif=['bridge=virbr0' ] to detect DHCP Server at your Dom0.
View for instance :-
http://bderzhavets.wordpress.com/2009/05/07/backport-zfs-support-to-xen-331-f10-dom0-kernel-2630-rc3-tip/
I don't have any experience with OpenSuse 11.1 . I hardly remind they
tried to reproduce RH's technology. Most probably they did it in SLES
11 (not sure). Check for libvirtd&dnsmasq daemons up and running.
But if your OpenSuse 11.1 Dom0 is on "dhcp" bridge itself , then no
problems. Just vif=['bridge=eth0'].
Boris.
--- On Sat, 7/25/09, Mr. Teo En Ming (Zhang Enming) <enming.teo@xxxxxxxxxxxxxxx>
wrote:
From: Mr. Teo En Ming (Zhang Enming) <enming.teo@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's
PVOPS Kernel
To: bderzhavets@xxxxxxxxx
Cc: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>,
Pasi
Kr@xxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Saturday, July 25, 2009, 12:32 PM
Dear Boris,
This means I have to install a DHCP server or dnsmasq in my Dom 0,
listening on my Dom 0's IP address, so that it can assign dynamic IP
addresses to the DomU.
By the way, are there any paravirtualized device drivers that I can
install in DomU to improve the performance of the virtual machine?
Thank you.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Boris Derzhavets wrote:
>I noticed under the guest domain configuration there
is a parameter
called >'extra' kernel parameter. Does the 'nowin' argument stand
for no
>graphical windows?
Login as jack/jack to text console.
Wait until :-
$ pfexec ifconfig -a
will show up your IPv4 address
$ mkdir .vnc
$ cp .Xclients .vnc/xstartup
$ vncserver
Connect via vncviewer IP-DomU:1 from another terminal session to OSOL
DomU. In case OSOL installer will fail to obtain IP via DHCPDISCOVER,
let me know. It might happen and requires Solaris Kernel Model Debugger
to disable checksum offloading at boot up. Seems to be hardware
dependent issue for OSOL 2009.06
**********************************
Copy ramdisk and kernel to Dom0
**********************************
[root@ServerXen isos]# cat copy.sh
mount -o loop,ro osol-0906-x86.iso /mnt
cp /mnt/boot/amd64/x86.microroot /home/boris/solaris
cp /mnt/platform/i86xpv/kernel/amd64/unix /home/boris/solaris
***********************
Installation profile:-
***********************
[root@ServerXen solaris]# cat osol200906.install
name = "sol0906"
vcpus = 1
memory = "1024"
kernel = "/home/boris/solaris/unix"
ramdisk = "/home/boris/solaris/x86.microroot"
extra = "/platform/i86xpv/kernel/amd64/unix - nowin -B
install_media=cdrom"
disk = ['phy:/dev/loop0,xvdc:cdrom,r','phy:/dev/sdb5,xvda,w']
# Would work as well
#
disk = ['phy:/dev/loop0,6:cdrom,r','phy:/dev/sdb5,0,w']
vif = ['bridge=eth1']
Boris
--- On Sat, 7/25/09, Mr. Teo En Ming (Zhang Enming) <enming.teo@xxxxxxxxxxxxxxx>
wrote:
From: Mr. Teo En Ming (Zhang Enming) <enming.teo@xxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's
PVOPS Kernel
To: enming.teo@xxxxxxxxxxxxxxx
Cc: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>,
"Boris
Derzhavets" <bderzhavets@xxxxxxxxx>,
xen-devel@xxxxxxxxxxxxxxxxxxx,
=?ISO-8859-1?Q?Pasi_K=E4r?=@xxxxxxxxx
Date: Saturday, July 25, 2009, 7:14 AM
Dear All,
I am trying to install OpenSolaris 2009.06 32-bit paravirtualized guest
on OpenSUSE 11.1 32-bit paravirt-ops enabled Xen 3.4.1-rc8 Dom 0 Kernel
2.6.30-rc6.
However, I am getting an opensolaris console login prompt. There is no
GNOME DE for me to launch the GUI installer for OpenSolaris. I am using
the OpenSolaris LiveCD 32-bit.
I noticed under the guest domain configuration there is a parameter
called 'extra' kernel parameter. Does the 'nowin' argument stand for no
graphical windows?
http://4.bp.blogspot.com/_zzjv8MCM2sk/SmoT4kZta-I/AAAAAAAAAE0/xxUGuNunPoY/s1600-h/01.jpeg
http://4.bp.blogspot.com/_zzjv8MCM2sk/SmoT5YG2sNI/AAAAAAAAAFM/H0ntFt6LCx4/s1600-h/04.jpeg
http://2.bp.blogspot.com/_zzjv8MCM2sk/SmoT5uzjF6I/AAAAAAAAAFU/2Y3KNWPUwWk/s1600-h/05.jpeg
Then I also get the "invalid disk device number (768)" error. Do I need
to use xvda instead of hda?
Thank you very much.
--
Mr. Teo En Ming (Zhang Enming) Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
Teo En Ming wrote:
As a matter of fact, our servers are
either
Dell
PowerEdge
1950/2950 and IBM xSeries.
I am just testing it out on our lab PC
first.
Mr. Teo En Ming (Zhang Enming)
Dip(Mechatronics
Engineering)
BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>,
"Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Sat, 25 Jul 2009 02:27:02 +0800
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
Dear Boris,
My next step will be a 64-bit Xen Dom 0
host.
Mr. Teo En Ming (Zhang Enming)
Dip(Mechatronics
Engineering)
BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
To: Pasi Kärkkäinen <pasik@xxxxxx>, enming.teo@xxxxxxxxxxxxxxx
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 10:57:49 -0700 (PDT)
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
Teo, it is up to you how to manage, if you just having
fun.
Otherwise, downloading 64-bit OpenSuse 11.1 ISO image
takes just 12-14 hr even at slow ADSL speed ( like 100 KB/sec).
Install takes 30 minutes and brings you to the trusted results, instead
of wasting a lot of time in case of business environment assignment.
Pasi has 32-bit experience due to hardware limitations, which you don't
have.
Boris.
--- On Fri, 7/24/09, Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
wrote:
From: Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>,
"Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Friday, July 24, 2009, 12:56 PM
Dear Boris,
My colleague installed
OpenSUSE
11.1
32-bit on the
Core 2 Duo machine in our labs. Please see my earlier replies in the
same topic.
I was too lazy to reformat and
install
64-bit
OpenSUSE, so I proceeded with Xen Dom 0 pvops kernel compilation on
32-bit Linux host.
I admit I am getting a lot of
headache.
Haha.
Mr. Teo En Ming (Zhang Enming)
Dip(Mechatronics
Engineering) BEng(Hons)(Mechanical Engineering)
Technical Support Engineer
Information Technology
Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
To: enming.teo@xxxxxxxxxxxxxxx,
Pasi Kärkkäinen <pasik@xxxxxx>
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 09:57:18 -0700 (PDT)
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
Once again, i don't see any reason to to run 32-bit OS on
Core2Duo,
unless you like Xen head ache. Core development (PVOPS) is obviously
running in 64-bit environment.
Boris.
--- On Fri, 7/24/09, Boris Derzhavets <bderzhavets@xxxxxxxxx>
wrote:
From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
To: enming.teo@xxxxxxxxxxxxxxx,
"Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Friday, July 24, 2009, 12:47 PM
>After doing the
above, I re-installed back the Xen hypervisor, libraries and tools, and
also >the kernel, initrd, and modules. Then I proceeded to reboot my
machine. After rebooting, > my CentOS 4.7 32-bit PV guest is still
able to start and run!
Why it wouldn't ? If your image stays the same.
> I am
still
very
puzzled! What
causes the PV guest initially cannot start? Then what >subsequently
causes the PV guest to suddenly be able to start and run???
That is not supposed to happen. I would suggest clean OS (without any
built in xen presence) install , followed by Xen 3.4.1+pvops kernel
clean install.
Boris.
--- On Fri, 7/24/09, Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
wrote:
From: Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>,
"Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: "Sander Eikelenboom" <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Friday, July 24, 2009, 12:19 PM
Dear All,
I am very
puzzled. In
investigating the cause of the sudden success of the CentOS 4.7 32-bit
PV guest being able to run, I have uninstalled virt-manager and all of
its dependencies:
docbook
python-gtk-vnc
xen-libs
3.3.1
scrollkeeper
xen-tools
3.3.1
libvirt
0.4.6
libvirt-python
vm-install
0.3.24
Then I
proceeded to
"make
uninstall" in xen-3.4-testing source tree, which also removed my self
compiled Xen Dom 0 pvops enabled kernel, initrd and kernel modules.
After doing
the above, I
re-installed back the Xen hypervisor, libraries and tools, and also the
kernel, initrd, and modules. Then I proceeded to reboot my machine.
After rebooting, my CentOS 4.7 32-bit PV guest is still able to start
and run!
I am still
very puzzled!
What
causes the PV guest initially cannot start? Then what subsequently
causes the PV guest to suddenly be able to start and run???
***scratches
head***
Anyway my
CentOS 4.7
guest domain
is now running. I shall now proceed to virtualize OpenSolaris 2009.06.
Thank you.
Mr. Teo En
Ming (Zhang
Enming)
Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical
Support
Engineer
Information
Technology
Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>
To: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>,
"Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 22:54:26 +0800
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
Hi Pasi,
It's very
strange.
Suddenly my
CentOS 4.7 32-bit PV guest is able to start!!! Previously it refuses to
start at all.
I think I
must have
changed
something in Dom 0 when I attempted "yast --install virt-manager". This
action might have solved the problem. When I tried to install
virt-manager, it also tries to install xen-libs-3.3.1 and
xen-tools-3.3.1 as dependencies. However, I started off my Xen Dom 0
pvops kernel install with Xen 3.4.1 rc8 branch.
I need to
investigate
more why
suddenly my CentOS 4.7 32-bit PV guest is able to start.
Mr. Teo En
Ming (Zhang
Enming)
Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical
Support
Engineer
Information
Technology
Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: "Teo En Ming" <enming.teo@xxxxxxxxxxxxxxx>
To: "Pasi Kärkkäinen" <pasik@xxxxxx>
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 21:54:00 +0800
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
Hi Pasi,
I
realized
that
Fedora 10
32-bit anaconda installer does not install PAE kernel after mounting
the guest disk image file. I mounted the guest disk image file using
losetup and kpartx which adds device nodes to /dev/mapper. I examined
the /boot directory after mounting the guest disk image file and found
no PAE vmlinuz and initrd.
Still
using the
mounted Fedora
10 32-bit guest disk image file, I changed root to the guest disk
filesystems and attempted to install the PAE kernel. Then I modified
menu.lst to boot the PAE kernel. After modifying the grub configuration
of the guest domain, I un-mounted the guest filesystem.
I
proceeded to boot
the F10
32-bit guest, since I changed to PAE kernel. It is able to boot now
(since the PAE kernel is xen-aware) but then it complains cannot mount
/dev/root. Probably something to do with the PAE initrd file.
Mr. Teo
En
Ming
(Zhang Enming)
Dip(Mechatronics Engineering) BEng(Hons)(Mechanical Engineering)
Technical
Support
Engineer
Information
Technology
Department
Asiasoft Online Pte Ltd
Tampines Central 1 #04-01 Tampines Plaza
Singapore 529541
-----Original
Message-----
From: Pasi Kärkkäinen <pasik@xxxxxx>
To: Teo En Ming <enming.teo@xxxxxxxxxxxxxxx>
Cc: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx
Date: Fri, 24 Jul 2009 16:31:19 +0300
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in
Jeremy's PVOPS Kernel
On Fri, Jul 24,
2009 at 08:37:09PM +0800, Teo En Ming wrote:
> Hi
>
> I attempted to install Fedora 10 32-bit PV guest using
> images/pxeboot/vmlinuz-PAE and images/pxeboot/initrd-PAE.img from
the F10
> media. The non-PAE kernel could not load the installer. I finished
my Fedora
> 10 32-bit PV guest installation but it also cannot boot up after
> installation, same as the CentOS 4.7 PV guest installation.
>
Fedora 10 installer has a bug, as a default it installs non-PAE kernel
for
xen domU. You need to use a kickstart script (like this) to fix it:
http://pasik.reaktio.net/fedora/f10-xen-domu-ks.cfg
The important lines being:
-kernel
kernel-PAE
(Fedora 10 and Fedora 11 default kernels are compiled with pv_ops Xen
domU
support enabled, so there's no need for separate kernel-xen with these
distros).
Fedora 11 doesn't have that installer bug, so it installs right
out-of-the-box as Xen domU.
What's the error you get when you start the guest after installation?
Please paste the "xm log" as text.
I don't have any problems with CentOS 5.3 dom0.
-- Pasi
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