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xen-devel
Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's PVOPS K
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
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
-----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.
Also see screenshots of my CentOS 4.7 PV guest here:
http://teo-en-ming-aka-zhang-enming.blogspot.com/2009/07/creating-centos-47-32-bit.html
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
-----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
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
-----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
Republic of Singapore
Mobile Phone: +65-9648-9798
MSN: teoenming@xxxxxxxxxxx
-----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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