Re: Re[8]: Unable to Configure Xen Dom 0 in Jeremy's PVOPS Kernel

["Teo En Ming" <enming.teo@asiasoftsea.net>]

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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.

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 16:19:49 +0800

Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in Jeremy's 
PVOPS Kernel




Dear Pasi,



I have checked my OpenSUSE 11.1 host system.



The apparmor kernel module is not loaded. Please see screenshot: 
http://3.bp.blogspot.com/_zzjv8MCM2sk/SmlvTJYX4LI/AAAAAAAAADM/9Pk3opGAocc/s1600-h/xen23.jpeg



For SELinux, the configuration is different from Fedora-style systems.



I have to add selinux=0 as a boot parameter to the kernel. Please see 
screenshot: 
http://4.bp.blogspot.com/_zzjv8MCM2sk/SmlvTbCn8TI/AAAAAAAAADU/i5cWpZpb8jE/s1600-h/xen24.jpeg



Now, both apparmor and SELinux are not enforcing. But my CentOS 4.7 
32-bit guest VM still cannot 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: "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 04:32:24 +0800
  
 Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in 
Jeremy's PVOPS Kernel
  

  
 Dear Pasi,
  

  
My screenshots are all here: 
http://teo-en-ming-aka-zhang-enming.blogspot.com/
  

  
If you come across anything unusual or feel that something is 
missing, please let me know.
  

  
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@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 04:25:43 +0800
    
 Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 in 
Jeremy's PVOPS Kernel
    

    
 Dear Pasi,
    

    
> How do you install the guest?
    

    
I copied the kernel and initial ramdisk image from the images/xen 
directory on the CentOS 4.7 x32 cd-rom and specified this kernel and initrd 
in my guest config in /etc/xen on Dom 0. Then I successfully finished the 
guest installation using HTTP method. I reached the end where I was asked to 

reboot after installation completes.
    

    
> So how do you try to start the guest after installation? "xm 
create guest" ?
      
 > or virt-manager?
    

    
I did not use virt-manager at all. I used "xm create domain".
    

    
> What's the error you get?
      

      
 > Did you check "xm log" ? "xm dmesg" ?
    

    
I have earlier provided logs from /var/log/xen/ and xm dmesg in 
this xen-devel mailing list topic.
    

    
> do you have selinux or apparmor? Did you disable them?
    

    
On RHEL/CentOS/Fedora systems I will normally disable SELinux by 
using the following commands:
    

    
# echo 0 > /selinux/enforce
    

    
# vi /etc/selinux/config
    

    
and change the policy to disabled.
    

    
I am not very sure about the SELinux implementation on OpenSUSE 
11.1 and I forgot to check this. Later in the day I will use yast to check 
the SELinux and apparmor settings.
    

    
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@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: Thu, 23 Jul 2009 23:24:55 +0300
      
 Subject: Re: Re[8]: [Xen-devel] Unable to Configure Xen Dom 0 
in Jeremy's PVOPS Kernel
      

      

      
On Fri, Jul 
24, 2009 at 03:51:07AM +0800, Teo En Ming wrote:
        
 > Dear Pasi,
        
 >
        
 > The strange part is that I _can_ _install_ CentOS 4.7 
32-bit guest, but
        
 > after guest installation completes, the guest won't 
start using pygrub or
        
 > pv_grub.
        
 >
        

        
 How do you install the guest?
        

        
 > Maybe I am using OpenSuSE 11.1 as Xen Dom 0, whereas the 
others are using
        
 > either Fedora or Ubuntu as Dom 0 host, so maybe 
something is broken/missing
        
 > along the way.
        
 >
        

        
 So how do you try to start the guest after installation? "xm 
create guest" ?
        
 or virt-manager?
        

        
 What's the error you get?
        

        
 Did you check "xm log" ? "xm dmesg" ?
        

        
 /var/log/messages or /var/log/syslog on dom0?
        

        
 do you have selinux or apparmor? Did you disable them?
        

        
 -- Pasi
        

        

        
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