centos6 grub关闭kipmi加载:
sed -i “s/quiet/ipmi_si.tryacpi=0 ipmi_si.trydmi=0 ipmi_si.trydefaults=0 quiet/g” /boot/grub/grub.conf
reboot
centos7 :
sed -i “s/quiet/ipmi_si.tryacpi=0 ipmi_si.trydmi=0 ipmi_si.trydefaults=0 quiet/g” /boot/grub2/grub.cfg
reboot