CentOS 6.5 VM has error of ipmi_si and x2apic

for CentOS 6.5 VM runs in VMWare Workstation 10, we got below error messages in /var/log/messages

1. kernel: ipmi_si: Interface detection failed
resolution: put ipmi_si.trydefaults=0 in kernel option (/boot/grub/grub.conf)

2. centos kernel: x2apic not enabled, IRQ remapping init failed
resolution: put intremap=no_x2apic_optout in kernel option (/boot/grub/grub.conf)