>> kernel /xen.gz dom0_mem=256M noreboot acpi=off Try your Grub with dom0_mem=196608 as your memory assignment to Dom0 and see if you can boot Xen afterwards. Datto ------------------------- Hello List, I was trying to learn Xen on my PIII (celeron 450 Mhz)system with 256 MB of RAM.I have installed xen through yum(kyum) [pbhat@sidharth ~]$ rpm -qa|grep xen kernel-xenU-2.6.13-1.1532_FC4 xen-2-20050823 kernel-xen0-2.6.13-1.1532_FC4 This is my grub.conf entry as given by installer.Though the package Xen is version 2, entris in /boot suggest version 3.0 title Fedora Core (2.6.13-1.1532_FC4xen0) root (hd0,0) kernel /xen.gz module /vmlinuz-2.6.13-1.1532_FC4xen0 ro root=/dev/VolGroup00/LogVol00 selinux=0 rhgb quiet module /initrd-2.6.13-1.1532_FC4xen0.img When I boot from this entry,XEN stops loading domain0 with the massage 'allocated memory is too low for domain0'. I tried giving full system memory with ---- title Fedora Core (2.6.13-1.1532_FC4xen0) root (hd0,0) kernel /xen.gz dom0_mem=256M noreboot acpi=off module /vmlinuz-2.6.13-1.1532_FC4xen0 ro root=/dev/VolGroup00/LogVol00 selinux=0 rhgb quiet module /initrd-2.6.13-1.1532_FC4xen0.img. Could anybody suggest where's the error? Thanks, Parameshwara Bhat -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list