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[Xen-users] Xen Dom0 console display is scrambled


  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Aidan Wong <awong@xxxxxxx>
  • Date: Tue, 28 Dec 2010 20:05:44 -0800
  • Delivery-date: Tue, 28 Dec 2010 20:07:09 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcunDaoT2h2eYIq5Aku+SdlQbWpPag==
  • Thread-topic: Xen Dom0 console display is scrambled

Hi,

I just install xen and kernel-xen version 2.6.18-194.26.1.el5xen, booting into the xen kernel dom0 shows me continous colorful scrambling and scrolling. 
I can ssh to dom0 and get correct display but the dom0 console is where it shows the colorful garbage scrolling.
i have the Supermicro X7DC motherboard with a XGI Z9 graphics card.
GUI is not installed and I don't have the rhgb parameter in my grub.conf. 
My grub.conf is plain and unmodified.

#boot=/dev/md0
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-194.26.1.el5xen)
 root (hd0,0)
 kernel /xen.gz-2.6.18-194.26.1.el5
 module /vmlinuz-2.6.18-194.26.1.el5xen ro root=/dev/VG_ROOT/LV_ROOT
 module /initrd-2.6.18-194.26.1.el5xen.img
title CentOS (2.6.18-194.26.1.el5)
 root (hd0,0)
 kernel /vmlinuz-2.6.18-194.26.1.el5 ro root=/dev/VG_ROOT/LV_ROOT
 initrd /initrd-2.6.18-194.26.1.el5.img
title CentOS (2.6.18-194.el5)
 root (hd0,0)
 kernel /vmlinuz-2.6.18-194.el5 ro root=/dev/VG_ROOT/LV_ROOT
 initrd /initrd-2.6.18-194.el5.img


Tried adding the "vga=<vesa mode>" parameter in grub for the Xen kernel, but that didn't work.

I also ran into this thread http://lists.xensource.com/archives/html/xen-api/2010-06/msg00015.html
But that didn’t help.

Can someone help?

Thank you
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