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Re: [Xen-users] Re: Xen 4.0.1 on Ubuntu Lucid 10.04 - Desktop / Server - 64 Bits - With OpenGL (Intel GEM) enabled - From Linuxcon Brazil! :-D


  • To: Priya <pbhat@xxxxxxxxxxxx>, hurenkam <hurenkam@xxxxxxxxx>
  • From: Boris Derzhavets <bderzhavets@xxxxxxxxx>
  • Date: Thu, 23 Sep 2010 12:16:28 +0000 (UTC)
  • Cc: nunziaG84@xxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx, Pasi Kärkkäinen <pasik@xxxxxx>
  • Delivery-date: Thu, 23 Sep 2010 05:57:27 -0700
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Could you submit .config file for particular pvops kernel ( loading under Xen and not creating devices required)

Boris.

--- On Thu, 9/16/10, hurenkam <hurenkam@xxxxxxxxx> wrote:

From: hurenkam <hurenkam@xxxxxxxxx>
Subject: Re: [Xen-users] Re: Xen 4.0.1 on Ubuntu Lucid 10.04 - Desktop / Server - 64 Bits - With OpenGL (Intel GEM) enabled - From Linuxcon Brazil! :-D
To: "Priya" <pbhat@xxxxxxxxxxxx>
Cc: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>, nunziaG84@xxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx, "Pasi Kärkkäinen" <pasik@xxxxxx>
Date: Thursday, September 16, 2010, 11:30 AM

Hi,

> xenfs is not mounted. Here is the output for the mount command:
>
> I did a modprobe on xenfs but I cannot mount it yet. Could you please
> give me the correct command line arguments for doing so. Here are my
> outputs:
>
> root@XenOpen:~# modprobe xenfs
> root@XenOpen:~# mount xenfs
> mount: can't find xenfs in /etc/fstab or /etc/mtab

Try this:
# mount -t xenfs xenfs /proc/xen


> There is no "xen" directory in /dev....Here is what I have:
That's also a problem, it should exist, and should contain the
following:

# ls -l /dev/xen
total 0
crw-rw---- 1 root root 10, 62 2010-09-16 00:37 evtchn
crw-rw---- 1 root root 10, 61 2010-09-16 00:37 gntdev

Perhaps they are built as modules, try modprobing them:
# modprobe xen-gntdev
# modprobe xen-evtchn


Ubuntu is unaware of these devices, so unless you built them
into your kernel, they may not automatically be available
after you boot.
Probably udev could/should take care of this during boot, but
i've just decided to configure my kernel with these devices
as built-in.
If you wish, you can add the modules to your modules list in
/etc/initramfs-tools/modules, then they will automatically
be added to your initrd when you run update-initramfs to
create your initrd.


Regards,
Mark.


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