아침부터 갑자기 네트워크 접속이 안됨

어제 까지 잘쓰다가 오늘 부팅해보니 네트워크접속이 안됩니다.
랜케이블 교체, 다른 PC로 공유기 상태까지 확인완료 하였습니다. 공유기,케이블 모두 이상이 없다는 이야기.
윈도로 부팅해서 해보고 싶지만 리눅스만 깔려있는 시스템입니다.

어제 시스템을 끄기전에 업데이트는 하지않음.

쿠분투 10.04
커널 2.6.32-26 x86_64

[quote:3tk6z3md]
#########iptable -L
Chain INPUT (policy ACCEPT)
target prot opt source destination

Chain FORWARD (policy ACCEPT)
target prot opt source destination

Chain OUTPUT (policy ACCEPT)
target prot opt source destination

######ip설정
auto lo
iface lo inet loopback

auto eth0
#iface eth0 inet dhcp
iface eth0 inet static
address 192.168.0.144
netmask 255.255.255.0
gateway 192.168.0.1

#########ifconfig
eth0 Link encap:Ethernet HWaddr 00:22:15:b8:20:89
inet addr:192.168.0.144 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::222:15ff:feb8:2089/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:993 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:255 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:60615 (60.6 KB) TX bytes:0 (0.0 B)
Interrupt:27 Base address:0x8000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:357 errors:0 dropped:0 overruns:0 frame:0
TX packets:357 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:30729 (30.7 KB) TX bytes:30729 (30.7 KB)

vmnet1 Link encap:Ethernet HWaddr 00:50:56:c0:00:01
inet addr:192.168.212.1 Bcast:192.168.212.255 Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fec0:1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:78 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

vmnet8 Link encap:Ethernet HWaddr 00:50:56:c0:00:08
inet addr:172.16.148.1 Bcast:172.16.148.255 Mask:255.255.255.0
inet6 addr: fe80::250:56ff:fec0:8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:77 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

#########ping 127.0.0.1
PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data.
64 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.039 ms
64 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.034 ms
64 bytes from 127.0.0.1: icmp_seq=3 ttl=64 time=0.035 ms
64 bytes from 127.0.0.1: icmp_seq=4 ttl=64 time=0.032 ms
64 bytes from 127.0.0.1: icmp_seq=5 ttl=64 time=0.035 ms

— 127.0.0.1 ping statistics —
5 packets transmitted, 5 received, 0% packet loss, time 3996ms
rtt min/avg/max/mdev = 0.032/0.035/0.039/0.002 ms

#############ping 192.168.0.1
PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data.
From 192.168.0.144 icmp_seq=2 Destination Host Unreachable
From 192.168.0.144 icmp_seq=3 Destination Host Unreachable
From 192.168.0.144 icmp_seq=5 Destination Host Unreachable

— 192.168.0.1 ping statistics —
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4016ms
, pipe 2

########dmesg |grep eth0
[ 0.984665] forcedeth 0000:00:0a.0: ifname eth0, PHY OUI 0x732 @ 3, addr 00:22:15:b8:20:89
[ 14.457166] bridge-eth0: up
[ 14.457168] bridge-eth0: attached
[ 21.660010] eth0: no IPv6 routers present
[ 34.910297] eth0: link down.
[ 34.932713] bridge-eth0: disabling the bridge
[ 34.961739] bridge-eth0: down
[ 34.961750] bridge-eth0: detached
[ 40.809380] eth0: link up.
[ 40.811363] bridge-eth0: up
[ 40.811369] bridge-eth0: attached
[ 105.059365] eth0: link down.
[ 105.091552] bridge-eth0: disabling the bridge
[ 105.150858] bridge-eth0: down
[ 105.150866] bridge-eth0: detached
[ 108.533274] eth0: link up.
[ 108.535254] bridge-eth0: up
[ 108.535261] bridge-eth0: attached
[ 769.040050] NETDEV WATCHDOG: eth0 (forcedeth): transmit queue 0 timed out
[ 769.040286] eth0: Got tx_timeout. irq: 00000020
[ 769.040289] eth0: Ring at 195f0c000
[ 769.040291] eth0: Dumping tx registers
[ 769.041645] eth0: Dumping tx ring
[ 1134.040023] eth0: Got tx_timeout. irq: 00000020
[ 1134.040028] eth0: Ring at 195f0c000
[ 1134.040032] eth0: Dumping tx registers
[ 1134.040671] eth0: Dumping tx ring

###########lspci |grep Eth
00:0a.0 Ethernet controller: nVidia Corporation MCP77 Ethernet (rev a2)

[/quote:3tk6z3md]

http://kldp.org/node/119906

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