dmesg |grep fail

Hardware: HP Elite 8300 I7-3770 FREE-DOS  + GT610-SL-2GD3-L 
OS. : CentOS 6.2

安裝完成後，透過dmesg檢視

dmesg |grep fail

ata1.00: ACPI _SDD failed (AE 0x5)
ata2.00: ACPI _SDD failed (AE 0x5)
ata1.00: ACPI _SDD failed (AE 0x5)
ata1.00: ACPI: failed the second time, disabled
ata2.00: ACPI _SDD failed (AE 0x5)
ata2.00: ACPI: failed the second time, disabled
NVRM: failed to register with the ACPI subsystem
virbr0: starting userspace STP failed, starting kernel STP


關閉ACPI

# vi /boot/grub/grub.conf
在Kernel 行列中加 acpi=off

關閉Virbr0:

# virsh net-list
Name                 State      Autostart
-----------------------------------------
default              active     yes

# virsh net-destroy default
Network default destroyed

# virsh net-undefine default
Network default has been undefined

# service libvirtd restart
Stopping libvirtd daemon:                                  [  OK  ]
Starting libvirtd daemon:                                  [  OK  ]

ps.

APIC(Advanced Programmable Interrupt Controller)，管理中断。
ACPI(Advanced Configuration and Power Interface)，电源管理。