[Solved] xCAT + CentOS6.2 on ASUS ESC4000 server with nVidia Tesla M2090 card

Hardware:
ASUA ESC4000 (do not support xnba)
nVidia Tesla M2090 x4

Provision Operating Systems: xCAT

OS System: CentOS 6.2

Problem:
compute node crash after load root.img

Solved:

disable module nouveau,  add two line into /etc/modprobe.d/blacklist.conf

#GPU
blacklist nouveau

disable nouveau before boot

chtab node=shenma105 bootparams.addkcmdline="nouveau.modeset=0 rdblacklist=nouveau "