Re: nm eth0 connection(2)
On Wed, Sep 11, 2013 at 4:59 PM, Robert Holtzman <holtzm@cox.net> wrote:
> On Wed, Sep 11, 2013 at 07:47:10AM -0400, Tom H wrote:
>> On Tue, Sep 10, 2013 at 4:01 PM, Robert Holtzm <holtzm@cox.net> wrote:
>>>
>>> Running updated wheezy on a thinkpad T420i w/ xfce DE.
>>>
>>> With great embarrassment, after stoutly defending nm, eth0 no longer
>>> connects. This only happens when I run wheezy. The connection is fine
>>> when I run the other distros on the hdd, squeeze and ubuntu 12.04.
>>> Under wheezy it also happens when the laptop is hard wired directly to
>>> the cable modem.
>>>
>>> looking at dmesg
>>> root@localhost:/home/holtzm# tail --lines=50 /var/log/dmesg | grep eth0
>>> [ 18.864912] ADDRCONF(NETDEV_UP): eth0: link is not ready
>>>
>>> Looking at messages
>>> root@localhost:/var/log# less messages | grep eth0 | less
>>> Sep 8 15:13:25 localhost kernel: [10656.049605] e1000e: eth0 NIC Link
>>> is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
>>> Sep 8 15:13:25 localhost kernel: [10656.049617] e1000e 0000:00:19.0:
>>> eth0: 10/100 speed: disabling TSO
>>> Sep 8 15:13:26 localhost kernel: [10657.229970] Unknown OutputIN=
>>> OUT=eth0 SRC=192.168.1.102 DST=68.105.28.12 LEN=51 TOS
>>> =0x00 PREC=0x00 TTL=64 ID=43051 PROTO=UDP SPT=59586 DPT=53 LEN=31
>>>
>>> Notice the difference between 15:13:25 and 15:13:26.
>>
>> 26 is a netfilter dns query log.
>>
>> To troubleshoot NM, it would've been more useful to grep for
>> "NetworkManager" as well as tail the messages log file.
>>
>> What's the output of
>>
>> nm-tool
>> cat /etc/network/interfaces
>> cat /etc/NetworkManager/NetworkManager.conf
> tail --lines=50 /var/log/dmesg | grep NetworkManager yields nothing
> the same with tail --lines=50 /var/log/messages | grep NetworkManager
Why are you limiting your search to the last 50 lines?
(dmesg won't have any NM logs.)
> nm-tool yields, in part,
>
> - Device: eth0 [Auto (eth0)]
> --------------------------------------------------
> Type: Wired
> Driver: e1000e
> State: connected
> Default: yes
> HW Address: 00:21:CC:B6:06:8F
>
> Capabilities:
> Carrier Detect: yes
> Speed: 100 Mb/s
>
> Wired Properties
> Carrier: on
>
> IPv4 Settings:
> Address: 192.168.1.102
> Prefix: 24 (255.255.255.0)
> Gateway: 192.168.1.1
>
> DNS: 68.105.28.12
> DNS: 68.105.29.12
> DNS: 68.105.28.11
>
> Strange!
No strange, working! :)
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