[Xen-users] Re: Xen boots to blank screen

[Anthony Bosio <anthony@xxxxxxxxxx>]

I was able to boot into Xen by doing the following...

Because I do not know much about configuring X, after taking a look at xorg.conf, I decided to see if there was an openSUSE gui tool for reducing the monitor resolution.

Finding that in the yast administrative tool I first tried reducing the resolution to 1280x720. (1680x1050 is the default for my 22" widescreen, which openSUSE had figured out on its own.) I also reduced the color depth to 16 bit. I had to play with and test various resolutions, as some of the selections did not seem to actually reduce the resolution.

For the first time, I didn't get a blank screen after X tried to load during Xen kernal boot. However, openSUSE crashed during load. I tried this twice before booting back into regular openSUSE kernal.

At that point I reduced the resolution again to 1024x768 - which looks really cruddy on my monitor but should be fine if I ever get VNC working - and then tried Xen kernal boot again. At this point openSUSE didn't crash and I made it to the desktop environment. For the first time I was able to run the Virtual Machine Manager and had the option to create new virtual machines. Yay!

-Anthony

On Sun, Jun 21, 2009 at 2:10 PM, Anthony Bosio <anthony@xxxxxxxxxx> wrote:

It seems like there are several messages in the archive and in various forums about this problem, but I do not see a clear course of action for how to solve it. I am relatively new to Linux, compounding my problem. I just built a new machine for the express purpose of running Xen so my girlfriend and I could experiment and learn about different Linux distros. I am running on an Intel DG35EC motherboard using integrated graphics and a Core 2 Duo E8400. I do not have a dedicated video card.

I installed openSUSE-11.1-DVD-i586.iso which I had burned to DVD. I chose to add Xen during installation. I have not installed any upates of anything from the web since installation.

I am able to boot normally into openSUSE and everything works fine.

When I try the Xen option from the boot menu, the system prints a bunch of text to the screen as if it is booting normally and then it goes black, or blank.

I have tried moving my monitor from the DVI connection to the D-Sub connection with the same result.
I have tried erasing vga=0x31a from the Xen Boot Options on the Startup Options screen with the same result.

I saw something in a forum somewhere about using Ctrl-Alt-F1,-F2, etc. to at least get to a command line but that does not work for me.

Any guideance would be appeciated.

-Anthony


Here's my grub menu.lst file:

# Modified by YaST2. Last modification on Sat Jun 20 10:38:48 UTC 2009
default 0
timeout 8
##YaST - generic_mbr
gfxmenu (hd0,1)/boot/message
##YaST - activate

###Don't change this comment - YaST2 identifier: Original name: linux###
title openSUSE 11.1 - 2.6.27.7-9 (pae)
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.27.7-9-pae root=/dev/disk/by-id/ata-Maxtor_7Y250M0_Y644WYHE-part2 resume=/dev/disk/by-id/ata-Maxtor_7Y250M0_Y644WYHE-part1 splash=silent showopts vga=0x31a
    initrd /boot/initrd-2.6.27.7-9-pae

###Don't change this comment - YaST2 identifier: Original name: failsafe###
title Failsafe -- openSUSE 11.1 - 2.6.27.7-9
    root (hd0,1)
    kernel /boot/vmlinuz-2.6.27.7-9-pae root=/dev/disk/by-id/ata-Maxtor_7Y250M0_Y644WYHE-part2 showopts ide=nodma apm=off noresume nosmp maxcpus=0 edd=off powersaved=off nohz=off highres=off processor.max_cstate=1 x11failsafe vga=0x31a
    initrd /boot/initrd-2.6.27.7-9-pae

###Don't change this comment - YaST2 identifier: Original name: xen###
title Xen -- openSUSE 11.1 - 2.6.27.7-9
    root (hd0,1)
    kernel /boot/xen.gz
    module /boot/vmlinuz-2.6.27.7-9-xen root=/dev/disk/by-id/ata-Maxtor_7Y250M0_Y644WYHE-part2 resume=/dev/disk/by-id/ata-Maxtor_7Y250M0_Y644WYHE-part1 splash=silent showopts vga=0x31a
    module /boot/initrd-2.6.27.7-9-xen

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