[Bug 284807] [NEW] Network is unreachable

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Description:	Ubuntu intrepid (development branch)
Release:	8.10 (Updated 2008.10.17)

I have a SMC Barricade SOHO router at home. If I want to use Intrepid at home, the wired network not working anymore.
After boot, the network-manager-applet is online and dhcp get works succesfully.
But if I want to ping my router, the ping said network is unreachable.

andras at andras-laptop:~$ ping 192.168.2.1
connect: Network is unreachable

In nm-tool's output, the eth0 is configured properly, but the ifconfig
said eth0 isn't configured.

andras at andras-laptop:~$ nm-tool

NetworkManager Tool

State: connected

- Device: eth0 ----------------------------------------------------------------
  Type:              Wired
  Driver:            tg3
  State:             connected
  Default:           yes
  HW Address:        00:1A:4B:58:FA:C9

  Capabilities:
    Supported:       yes
    Carrier Detect:  yes
    Speed:           100 Mb/s

  Wired Settings

  IPv4 Settings:
    Address:         192.168.2.18
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.2.1

    DNS:             192.168.2.1


- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            iwl3945
  State:             disconnected
  Default:           no
  HW Address:        00:1B:77:50:1B:25

  Capabilities:
    Supported:       yes

  Wireless Settings
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points
    FOLEY:           Infra, 00:1E:2A:06:0D:48, Freq 2462 MHz, Rate 54 Mb/s, Strength 45 WPA
    TP-LINK:         Infra, 00:14:78:8E:90:04, Freq 2437 MHz, Rate 54 Mb/s, Strength 35 WPA
    SpeedTouchA2FA1F:Infra, 00:14:7F:8C:CF:CB, Freq 2412 MHz, Rate 54 Mb/s, Strength 28 WPA WPA2
    Tamaslak:        Infra, 00:19:5B:B2:27:5F, Freq 2437 MHz, Rate 54 Mb/s, Strength 38 WEP
    STULLER:         Infra, 00:12:17:C7:C6:C3, Freq 2462 MHz, Rate 54 Mb/s, Strength 46 WEP


andras at andras-laptop:~$ ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:1a:4b:58:fa:c9  
          UP BROADCAST RUNNING MULTICAST  MTU:64  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:18 

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:242 errors:0 dropped:0 overruns:0 frame:0
          TX packets:242 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:15140 (15.1 KB)  TX bytes:15140 (15.1 KB)

wlan0     Link encap:Ethernet  HWaddr 00:1b:77:50:1b:25  
          UP 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)

wmaster0  Link encap:UNSPEC  HWaddr 00-1B-77-50-1B-25-00-00-00-00-00-00-00-00-00-00  
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns

If I restart Network-Manager manually no dhcp anytime (see network.log)
In syslog there is an error message:

dhclient: send_packet: Message too long

** Affects: dhcp3 (Ubuntu)
     Importance: Undecided
         Status: Incomplete


** Tags: dhcp eth0 manager network
-- 
Network is unreachable
https://bugs.edge.launchpad.net/bugs/284807
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