System Drops Network Connection

Jay Ridgley jridgley2 at
Tue Dec 24 14:20:08 UTC 2013

On 12/24/2013 03:22 AM, Colin Law wrote:
> On 24 December 2013 09:17, Jay Ridgley <jridgley2 at> wrote:
>> Folks,
>> Recently one of my systems started dropping the connection to my network. If
>> I reboot the system it is up for a while as long as no one is doing anything
>> on it(no logins and no printing) but it will drop the connection after a
>> time. My gut feel is that Network Manager is causing the problem but I do
>> not know where to look to find the problem.
>> There has been no changes made for the configuration files yet this happens.
>> I have found some information with Google about this type of problem but I
>> have not been able to find a solution.
>> I use a static wired connection to my network.
>> System is running Ubuntu 12.04.3 LTS (GNU/Linux 3.2.0-57-generic i686) all
>> updates have been applied.
>> I have two systems that are configured in the same manner one has no
>> problems the other does. Any ideas?
> Anything in /var/log/syslog?

There are several entries for Network Manager reporting Unmanaged Device found
> When you say it goes down, do you mean it says it is disconnected or
> just is not working?

It remains working, however, there is no connection to the network. Can not ping for example.

> What happens if you unplug the cable and put it back?
Have not tried that, yet
> Colin


Jay Ridgley
jridgley2 at
Registered Linux User ID - 9115
Registered Ubuntu User ID - 23320

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