LinuxQuestions.org - After update xen kernel xen vps not booting

this is my grub.conf

Code:

# grub.conf generated by anaconda

#

# Note that you do not have to rerun grub after making changes to this file

# NOTICE:  You do not have a /boot partition.  This means that

#          all kernel and initrd paths are relative to /, eg.

#          root (hd0,0)

#          kernel /boot/vmlinuz-version ro root=/dev/cciss/c0d0p1

#          initrd /boot/initrd-version.img

#boot=/dev/cciss/c0d0

default=0

timeout=5

splashimage=(hd0,0)/boot/grub/splash.xpm.gz

hiddenmenu

title CentOS (2.6.18-308.16.1.el5xen)

        root (hd0,0)

        kernel /boot/xen.gz-2.6.18-308.16.1.el5 dom0_mem=1024m

        module /boot/vmlinuz-2.6.18-308.16.1.el5xen ro root=LABEL=/

        module /boot/initrd-2.6.18-308.16.1.el5xen.img

title CentOS (2.6.18-308.16.1.el5)

        root (hd0,0)

        kernel /boot/vmlinuz-2.6.18-308.16.1.el5 ro root=LABEL=/

        initrd /boot/initrd-2.6.18-308.16.1.el5.img

title CentOS (2.6.18-308.13.1.el5xen)

        root (hd0,0)

        kernel /boot/xen.gz-3.4.4 dom0_mem=1024m

        module /boot/vmlinuz-2.6.18-308.13.1.el5xen ro root=LABEL=/

        module /boot/initrd-2.6.18-308.13.1.el5xen.img

title CentOS (2.6.18-308.13.1.el5)

        root (hd0,0)

        kernel /boot/vmlinuz-2.6.18-308.13.1.el5 ro root=LABEL=/

        initrd /boot/initrd-2.6.18-308.13.1.el5.img

title CentOS (2.6.18-308.el5)

        root (hd0,0)

        kernel /boot/vmlinuz-2.6.18-308.el5 ro root=LABEL=/

        initrd /boot/initrd-2.6.18-308.el5.img

After reboot vps node . xen vps are not booting .

i am getting this error msg
Error: Unable to connect to xend: No such file or directory. Is xend running?

using solusvm xen pv .