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[Xen-users] Installing Xen4.0.1 on Ubuntu 10.04 LTS issues (VGA crashes at boot-up)

  • To: xen-users@xxxxxxxxxxxxxxxxxxx
  • From: Priya <pbhat@xxxxxxxxxxxx>
  • Date: Mon, 27 Sep 2010 19:00:18 -0400
  • Delivery-date: Mon, 27 Sep 2010 16:02:04 -0700
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  • List-id: Xen user discussion <xen-users.lists.xensource.com>

Hey Guys !

I am trying to install Xen 4.0.1 on Ubuntu 10.04 LTS on a 64-bit machine.

Basically the issue that I am facing is that when I try to boot up my Domain0, my video display driver crashes and the system simply hangs.

I am using an Intel graphics card:
$ lspci -v | grep VGA
00:02.0 VGA compatible controller: Intel Corporation 4 Series Chipset Integrated Graphics Controller (rev 03)

I did some Google search and people had suggested to use the "nomodeset" and the "i915.modeset=0" options in the grub file in order to disable the KMS. Accordingly, I changed my /etc/grub.d/40_custom file to:

$ more /etc/grub.d/40_custom
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.

menuentry 'Xen 4.0.1, Ubuntu 10.4 kernel' {
        insmod ext2
        set root='(hd0,1)'
        multiboot (hd0,1)/boot/xen-4.0.1.gz dummy=dummy dom0_mem=832M
        module (hd0,1)/boot/vmlinuz- dummy=dummy root=/dev/sda1 nopat ro nomodeset console=tty0 earlyprintk=xen
        module (hd0,1)/boot/initrd.img-

I have also tried to replace the "nomodeset" with "i915.modeset=0" in the above file and it still does not work.

I am confident that it is the graphics that causing the boot failure because when I disable them (by doing "mv
/etc/init/gdm.conf /etc/init/gdm.disabled"), the command-line based dom-0 comes up just fine.

Can anyone throw some light on what could be causing the issue and what a possible work around can be?


Priya Bhat

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