dracut error netbooting Power7

[Bryson Lee]

Kernel command-line parameters used for the boot:

command line:  ksdevice=eth0 lang=  console=hvc0 text serial rdinitdebug rdshell kssendmac  ks=http://192.168.1.5/cblr/svc/op/ks/system/ps710-01

Additional output from "rdinitdebug":

+ [ yes = yes ]
+ getarg quiet
+ set +x
+ return 1
+ getarg loglevel=
+ set +x
+ return 1
+ a=
+ [ -n  ]
+ ismounted /dev
+ read a m a
+ [ / = /dev ]
+ read a m a
+ [ /proc = /dev ]
+ read a m a
+ [ /sys = /dev ]
+ read a m a
+ return 1
+ mount -t devtmpfs -o mode=0755,nosuid devtmpfs /dev
+ [ ! -h /dev/fd ]
+ ln -s /proc/self/fd /dev/fd
+ [ ! -h /dev/stdin ]
+ ln -s /proc/self/fd/0 /dev/stdin
+ [ ! -h /dev/stdout ]
+ ln -s /proc/self/fd/1 /dev/stdout
+ [ ! -h /dev/stderr ]
+ ln -s /proc/self/fd/2 /dev/stderr
+ ismounted /dev/pts
+ read a m a
+ [ / = /dev/pts ]
+ read a m a
+ [ /proc = /dev/pts ]
+ read a m a
+ [ /sys = /dev/pts ]
+ read a m a
+ [ /dev = /dev/pts ]
+ read a m a
+ return 1
+ mkdir -m 0755 /dev/pts
+ mount -t devpts -o gid=5,mode=620,noexec,nosuid devpts /dev/pts
+ ismounted /dev/shm
+ read a m a
+ [ / = /dev/shm ]
+ read a m a
+ [ /proc = /dev/shm ]
+ read a m a
+ [ /sys = /dev/shm ]
+ read a m a
+ [ /dev = /dev/shm ]
+ read a m a
+ [ /dev/pts = /dev/shm ]
+ read a m a
+ return 1
+ mkdir -m 0755 /dev/shm
+ mount -t tmpfs -o mode=1777,nosuid,nodev tmpfs /dev/shm
+ ismounted /run
+ read a m a
+ [ / = /run ]
+ read a m a
+ [ /proc = /run ]
+ read a m a
+ [ /sys = /run ]
+ read a m a
+ [ /dev = /run ]
+ read a m a
+ [ /dev/pts = /run ]
+ read a m a
+ [ /dev/shm = /run ]
+ read a m a
+ return 1
+ mkdir -m 0755 /newrun
+ mount -t tmpfs -o mode=0755,nosuid,nodev tmpfs /newrun
+ cp -a -t /newrun /run/initramfs /run/lock /run/udev
+ mount --move /newrun /run
+ rm -fr /newrun
+ [ -d /run/initramfs ]
+ udevadm --version
+ UDEVVERSION=173
+ [ 173 -gt 166 ]
+ export UDEVRULESD=/run/udev/rules.d
+ [ -d /run/udev ]
+ [ -d /run/udev/rules.d ]
+ [ yes = yes ]
+ mkfifo /run/initramfs/loginit.pipe
+ exec
+ loginit
[    3.848338] dracut: dracut-013-18.fc16
[    3.874542] dracut: FATAL: No or empty root= argument
[    3.874561] dracut: Refusing to continue
[    3.874762] dracut Warning: Signal caught!
[    3.874936] dracut Warning: dracut: FATAL: No or empty root= argument
[    3.875014] dracut Warning: dracut: Refusing to continue
+ rm -f /run/initramfs/loginit.pipe /run/initramfs/loginit.pid
+ [ -e /run/initramfs/.die ]
+ exit 1
[    3.977240] Kernel panic - not syncing: Attempted to kill init!