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Re: [Xen-users] working with latest -xen kernel?

To: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Subject: Re: [Xen-users] working with latest -xen kernel?
From: Fasiha Ashraf <feehapk@xxxxxxxxxxx>
Date: Fri, 16 Oct 2009 13:03:30 +0530 (IST)
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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On Fri, Oct 16, 2009 at 11:54 AM, Fasiha Ashraf <feehapk@xxxxxxxxxxx> wrote:
> Hi,
> I have noticed that you have build xen-3-4-1-dom0-kernel-2-6-30-rc6-tip-on-top-of-fedora-11. Please help in creating VMs it this case. my virt-manager and virt-install are not working. and I am following this link to create xen DomUs http://bderzhavets.wordpress.com/2009/06/10/setup-fedora-11-pv-domu-at-xen-3-4-1-dom0-kernel-2-6-30-rc6-tip-on-top-of-fedora-11/#comment-618

Did you also read his update on that post, linking to
Yes I did, but i have a question about it as well, Since i have compiled xen with this kernel version, Do i need to install it from rpm as well? or just i should skip that step and start installing libvirt?Also tell me should it be done from my dom0 or from the base kernel(nonexen)?

> this error while running #vncviewer localhost:0
> Copyright (C) 2002-2005 RealVNC Ltd.
> Copyright (C) 2000-2006 TightVNC Group
> Copyright (C) 2004-2009 Peter Astrand for Cendio AB
> See http://www.tigervnc.org for information on TigerVNC.
> vncviewer: unable to open display “”

I'd start with running "xm list" and see if your domU is actually
running or not. After that, do something like
I am getting dom0 with running status
[root@Server1-FC11 xendoms]# xm list
Name                                        ID   Mem VCPUs      State   Time(s)
Domain-0                                     0  7077     8     r-----     64.9
F11-G1S1                                     1   500     1     -b----      1.1
F11-G2S1                                     2   500     1     -b----      1.1

netstat -anp | egrep "(:59)(.+)(LISTEN)"
[root@Server1-FC11 xendoms]# netstat -anp | egrep "(:59)(.+)(LISTEN)"
tcp        0      0    *                   LISTEN      2490/qemu-dm       
tcp        0      0    *                   LISTEN      2623/qemu-dm       

to see if there's any process listening on port 5900+. If a domU was
started and it has a vnc GUI, there should be some qemu-dm process
shown there.

> Also i have some confusion about disk specs what i use are:
> disk = [ 'phy:/dev/loop0,xvda,w' ]
> Cause i am not using lvm. Here is my

Where does loop0 come from? If you're using disk/partition as domU
storage you can simply specify the block device (e.g. /dev/sdb,
/dev/sda4, etc.). If you're using file you can directly use tap:aio.
[root@Server1-FC11 xendoms]# fdisk -l
Disk /dev/sda: 438.4 GB, 438489317376 bytes
255 heads, 63 sectors/track, 53309 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x00000080

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1               1          13      104391   83  Linux
/dev/sda2              14        2180    17406427+  82  Linux swap / Solaris
/dev/sda3            2181       42776   326087370   83  Linux
/dev/sda4           42777       53309    84606322+   5  Extended
/dev/sda5   *       42777       53309    84606291   83  Linux

> my disk specs are right or not? Any suggestions??

I'm guessing you specified the wrong disk and domU didn't start at all.
I am not using LVM partitions. when i specified one dom disk as /dev/sda i have nothing for next dom. In such situation is it good to use file? like u suggest.

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