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From: "Teo En Ming" <enming.teo@asiasoftsea.net>
To: "Teo En Ming" <enming.teo@asiasoftsea.net>,
	"Boris Derzhavets" <bderzhavets@yahoo.com>,
	"Pasi Kärkkäinen" <pasik@iki.fi>
Cc: Sander Eikelenboom <linux@eikelenboom.it>, xen-devel@lists.xensource.com
Subject: Re: Re[8]: Unable to Configure Xen Dom 0 in Jeremy's PVOPS Kernel
Date: Sat, 25 Jul 2009 02:31:16 +0800	[thread overview]
Message-ID: <WC20090724183116.5700DE@asiasoftsea.net> (raw)
In-Reply-To: <WC20090724182702.8900DD@asiasoftsea.net>


[-- Attachment #1.1: Type: text/plain, Size: 17723 bytes --]

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

Republic of Singapore
  
Mobile Phone: +65-9648-9798
  
MSN: teoenming@hotmail.com


-----Original Message-----

From: "Teo En Ming" <enming.teo@asiasoftsea.net>

To: "Boris Derzhavets" <bderzhavets@yahoo.com>, "Pasi Kärkkäinen" 
<pasik@iki.fi>

Cc: Sander Eikelenboom <linux@eikelenboom.it>, xen-devel@lists.xensource.com

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

Republic of Singapore
  
Mobile Phone: +65-9648-9798
  
MSN: teoenming@hotmail.com



-----Original 
Message-----
  
 From: Boris Derzhavets <bderzhavets@yahoo.com>
  
 To: Pasi Kärkkäinen <pasik@iki.fi>, 
enming.teo@asiasoftsea.net
  
 Cc: Sander Eikelenboom <linux@eikelenboom.it>, 
xen-devel@lists.xensource.com
  
 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@asiasoftsea.net> wrote:
      

      
From: Teo En Ming <enming.teo@asiasoftsea.net>
        
Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 
in Jeremy's PVOPS Kernel
        
To: "Boris Derzhavets" <bderzhavets@yahoo.com>, "Pasi 
Kärkkäinen" <pasik@iki.fi>
        
Cc: "Sander Eikelenboom" <linux@eikelenboom.it>, 
xen-devel@lists.xensource.com
        
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@hotmail.com
          

          
-----Original Message-----
            
 From: Boris Derzhavets <bderzhavets@yahoo.com>
            
 To: enming.teo@asiasoftsea.net, Pasi Kärkkäinen 
<pasik@iki.fi>
            
 Cc: Sander Eikelenboom <linux@eikelenboom.it>, 
xen-devel@lists.xensource.com
            
 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@yahoo.com> wrote:
                

                
From: Boris Derzhavets <bderzhavets@yahoo.com>
                  
Subject: Re: Re[8]: [Xen-devel] Unable to Configure 
Xen Dom 0 in Jeremy's PVOPS Kernel
                  
To: enming.teo@asiasoftsea.net, "Pasi Kärkkäinen" 
<pasik@iki.fi>
                  
Cc: "Sander Eikelenboom" 
<linux@eikelenboom.it>, xen-devel@lists.xensource.com
                  
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@asiasoftsea.net> wrote:
                        

                        
From: Teo En Ming 
<enming.teo@asiasoftsea.net>
                          
Subject: Re: Re[8]: [Xen-devel] Unable to 
Configure Xen Dom 0 in Jeremy's PVOPS Kernel
                          
To: "Teo En Ming" 
<enming.teo@asiasoftsea.net>, "Pasi Kärkkäinen" <pasik@iki.fi>
                          
Cc: "Sander Eikelenboom" 
<linux@eikelenboom.it>, xen-devel@lists.xensource.com
                          
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@hotmail.com
                            

                            
-----Original Message-----
                              
 From: "Teo En Ming" 
<enming.teo@asiasoftsea.net>
                              
 To: "Teo En Ming" 
<enming.teo@asiasoftsea.net>, "Pasi Kärkkäinen" <pasik@iki.fi>
                              
 Cc: Sander Eikelenboom 
<linux@eikelenboom.it>, xen-devel@lists.xensource.com
                              
 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@hotmail.com
                              

                              
-----Original Message-----
                                
 From: "Teo En Ming" 
<enming.teo@asiasoftsea.net>
                                
 To: "Pasi Kärkkäinen" 
<pasik@iki.fi>
                                
 Cc: Sander Eikelenboom 
<linux@eikelenboom.it>, xen-devel@lists.xensource.com
                                
 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@hotmail.com
                                

                                
-----Original Message-----
                                  
 From: Pasi Kärkkäinen 
<pasik@iki.fi>
                                  
 To: Teo En Ming 
<enming.teo@asiasoftsea.net>
                                  
 Cc: Sander Eikelenboom 
<linux@eikelenboom.it>, xen-devel@lists.xensource.com
                                  
 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 
[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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  reply	other threads:[~2009-07-24 18:31 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-24 17:57 Re[8]: Unable to Configure Xen Dom 0 in Jeremy's PVOPS Kernel Boris Derzhavets
2009-07-24 18:27 ` Teo En Ming
2009-07-24 18:31   ` Teo En Ming [this message]
2009-07-25 11:14     ` Mr. Teo En Ming (Zhang Enming)
  -- strict thread matches above, loose matches on Subject: below --
2009-07-24 16:57 Re[8]: " Boris Derzhavets
2009-07-24 16:56 ` Teo En Ming
2009-07-27  9:51 ` Stefano Stabellini
2009-07-24 16:47 Boris Derzhavets
2009-07-23 16:40 Re[2]: " Sander Eikelenboom
2009-07-23 16:44 ` Teo En Ming
2009-07-23 17:03   ` Teo En Ming
2009-07-23 17:06     ` Teo En Ming
2009-07-23 17:23       ` Re[4]: " Sander Eikelenboom
2009-07-23 17:17         ` Teo En Ming
2009-07-23 17:45           ` Re[6]: " Sander Eikelenboom
2009-07-23 17:46             ` Teo En Ming
2009-07-23 18:09               ` [SPAM] Re[8]: " Sander Eikelenboom
2009-07-23 18:08                 ` Teo En Ming
2009-07-23 18:24                   ` Teo En Ming
2009-07-23 18:43                     ` Teo En Ming
2009-07-23 19:11                       ` Teo En Ming
2009-07-23 19:48                         ` Pasi Kärkkäinen
2009-07-23 19:51                           ` Teo En Ming
2009-07-23 20:24                             ` Pasi Kärkkäinen
2009-07-23 20:25                               ` Teo En Ming
2009-07-23 20:32                                 ` Teo En Ming
2009-07-24  8:19                                   ` Teo En Ming
2009-07-24 12:37                                     ` Teo En Ming
2009-07-24 13:31                                       ` Pasi Kärkkäinen
2009-07-24 13:54                                         ` Teo En Ming
2009-07-24 14:54                                           ` Teo En Ming
2009-07-24 16:19                                             ` Teo En Ming

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