开始三个系统都能上网
现在windows能上网，2个linux都不能上
进去ubuntu后面板上的网络监视器有一个红圆点显示错误，点击出现提示：
Could not find information on interface 'eth0:avahi' in /proc/net/dev
开fedora 8的时候选择show details，加载到determining IP information for eth0...卡住，最后是failed，进去系统后就是不能上网。
根据网上的各种说法，试过禁用ipv6、静态ip等方法均不奏效
下面是fedora下采集的一些信息：
[root@localhost ~]# dmesg|grep eth0
sky2 eth0: addr 00:15:f2:6d:5b:89
net eth0_rename: device_rename: sysfs_create_symlink failed (-17)
net eth0: device_rename: sysfs_create_symlink failed (-17)
udev: renamed network interface eth1 to eth0
udev: renamed network interface eth0_rename to eth1
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timeout, status 0d 0000 c07f media 00.
eth0: Tx queue start entry 4 dirty entry 0.
eth0: Tx descriptor 0 is 00082156. (queue head)
eth0: Tx descriptor 1 is 00082156.
eth0: Tx descriptor 2 is 00082156.
eth0: Tx descriptor 3 is 00082156.
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timeout, status 0d 0000 c07f media 00.
eth0: Tx queue start entry 4 dirty entry 0.
eth0: Tx descriptor 0 is 00082156. (queue head)
eth0: Tx descriptor 1 is 00082156.
eth0: Tx descriptor 2 is 00082156.
eth0: Tx descriptor 3 is 00082156.
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
NETDEV WATCHDOG: eth0: transmit timed out
eth0: Transmit timeout, status 0d 0000 c07f media 00.
eth0: Tx queue start entry 4 dirty entry 0.
eth0: Tx descriptor 0 is 00082156. (queue head)
eth0: Tx descriptor 1 is 00082156.
eth0: Tx descriptor 2 is 00082156.
eth0: Tx descriptor 3 is 00082156.
eth0: link up, 100Mbps, full-duplex, lpa 0x45E1
[root@localhost ~]# service network restart
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth0:
Determining IP information for eth0...PING 192.168.10.1 (192.168.10.1) from 192.168.10.202 eth0: 56(84) bytes of data.
--- 192.168.10.1 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3000ms
, pipe 3
failed.
[FAILED]
Bringing up interface eth1:
Determining IP information for eth1... failed; no link present. Check cable?
[FAILED]
[root@localhost ~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0A:EB:4D:66:A2
BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
Interrupt:17 Base address:0x4c00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:10799 errors:0 dropped:0 overruns:0 frame:0
TX packets:10799 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6876212 (6.5 MiB) TX bytes:6876212 (6.5 MiB)
[root@localhost ~]# dhclient eth0
Internet Systems Consortium DHCP Client V3.0.6-Fedora
Copyright 2004-2007 Internet Systems Consortium.
All rights reserved.
For info, please visit http://www.isc.org/sw/dhcp/
Listening on LPF/eth0/00:0a:eb:4d:66:a2
Sending on LPF/eth0/00:0a:eb:4d:66:a2
Sending on Socket/fallback
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 7
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 11
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 15
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 8
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 14
DHCPDISCOVER on eth0 to 255.255.255.255 port 67 interval 6
No DHCPOFFERS received.
No working leases in persistent database - sleeping.
希望各位牛牛们能帮我解决一下，谢谢先!
