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[Xen-users] grub2 problem while booting with xen-4.0.1

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] grub2 problem while booting with xen-4.0.1
From: Abhishek Dixit <abhidixit87@xxxxxxxxx>
Date: Thu, 3 Mar 2011 08:20:24 +0530
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Hi,
It is very surprising for me.
I am not able to get to xen 4.0.1

i.e. following grub2 entry does not work

menuentry 'Ubuntu, with Xen and  Linux 2.6.32.27'  {
        set root='(hd0,1)'
        multiboot (hd0,1)/boot/xen.gz dummy=dummy
        module  (hd0,1)/boot/vmlinuz-2.6.32.27-pv-ops dummy=dummy
nopat root=/dev/hda1 ro console=tty0
        module  (hd0,1)/boot/initrd.img-2.6.32.27-pv-ops
}

but if I boot with following grub entry

menuentry 'Ubuntu, with Linux 2.6.32.27-pv-ops' --class ubuntu --class
gnu-linux --class gnu --class os {
        recordfail
        insmod ext2
        set root='(hd0,1)'
        search --no-floppy --fs-uuid --set ef6fb0a3-17d8-46b8-944b-4d84fbd3c236
        linux   /boot/vmlinuz-2.6.32.27-pv-ops
root=UUID=ef6fb0a3-17d8-46b8-944b-4d84fbd3c236 ro   quiet splash
        initrd  /boot/initrd.img-2.6.32.27-pv-ops
}

the only concern being the hypervisor not started in case of 2nd type
of grub entry.
Can any one tell me what should I look as with first type of grub
entry I see computer simply starts booting and then suddenly a black
screen comes and every thing restarts.
I do not get any time to see any error messages.
I compiled every thing from scratch.

-- 
Regards
Abhi

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