解决CentOS 6.6 安装遇到网卡问题

而 message 出现

Nov 22 20:34:12 st kernel: e1000e 0000:07:00.0: eth0: Timesync Tx Control register not set as expected

网卡资讯

# ethtool -i eth0
driver: e1000e
version: 2.3.2-k
firmware-version: 1.9-0
bus-info: 0000:07:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no

# ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes:   10baseT/Half 10baseT/Full
                        100baseT/Half 100baseT/Full
                        1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes:  10baseT/Half 10baseT/Full
                        100baseT/Half 100baseT/Full
                        1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
       drv probe link
Link detected: yes
解决方式是 要在 /boot/grub/grub.conf ?加入 pcie_aspm=off

kernel /vmlinuz-xxxxxxxxxxxxxxxxxx ro root=xxxxxxxxxxxx pcie_aspm=off