Arch Linux

Fred7109

Member

Registered: 2015-05-17

Posts: 134

[Solved] nm-applet does not recognize or connect to Ethernet

Hello, yesterday I suddenly got a problem with connecting to the Ethernet. I have tried to solve it, without any luck. The problem is that the NetworkManager will not connect to the Ethernet cable, but if I share my internet from a smartphone, it will. So I plug in my Ethernet cable in the Ethernet port, and then it just stands and try to connect to the internet for hours without success. Furthermore, when I go into settings and rename this Ethernet connection it just changes back to the text: »Auto Ethernet« - something related to the NetworkManager not recognizing my Ethernet connection. I have provided a screenshot of the nm-applet below.

Any help would be appreciated.

Last edited by Fred7109 (2016-05-06 08:54:13)

ewaller

Administrator

From: Pasadena, CA

Registered: 2009-07-13

Posts: 20,612

Re: [Solved] nm-applet does not recognize or connect to Ethernet

I don't use Networkmanager, and I certainly don't use a Networkmanager GUI interface.  But, your screen shot shows that the wired network is not being controlled by Networkmanager.  IIRC, there is a setting for that.  Have you explored all the options in your GUI?

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reedjosh

Member

Registered: 2016-05-05

Posts: 7

Re: [Solved] nm-applet does not recognize or connect to Ethernet

Hey everyone,

I've been running Arch with Gnome for a while now.

Recently I did a system update, and I lost networking via the network-manager-applet version 1.2.0-1.

I went into my cache and reinstalled version 1.0.10-1, and I've now got functionality back.

I didn't see anything regarding this issue in the bug reports for the package.

Please let me know if you need any system logs.

Thanks!

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,426

Website

Re: [Solved] nm-applet does not recognize or connect to Ethernet

Merging with existing thread...

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Arch + dwm   •   Mercurial repos  •   Surfraw

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reedjosh

Member

Registered: 2016-05-05

Posts: 7

Re: [Solved] nm-applet does not recognize or connect to Ethernet

I'm not sure we are having the same issues, but I'm the newb, so I'll defer to your judgment.

I suppose I should add why I think this though... I simply don't have the applet, or any gui networking interface when I upgrade to the newest network-manager-applet. Also, I do have the latest network-manager package installed without issue.

Last edited by reedjosh (2016-05-05 23:34:23)

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,426

Website

Re: [Solved] nm-applet does not recognize or connect to Ethernet

You could also read the long thread in Networking about NetworkManager (not the applet), which apparently requires a service restart to function after the update.

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Arch + dwm   •   Mercurial repos  •   Surfraw

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reedjosh

Member

Registered: 2016-05-05

Posts: 7

Re: [Solved] nm-applet does not recognize or connect to Ethernet

Ok, I'm guessing you mean to...

systemctl disable NetworkManager
systemctl enable NetworkManager
reboot -h now

If so, I'll do that now and let you know my results. Still, I believe my problem is with the applet.

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,426

Website

Re: [Solved] nm-applet does not recognize or connect to Ethernet

systemctl restart would have been sufficient, and would not require a reboot...

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Arch + dwm   •   Mercurial repos  •   Surfraw

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reedjosh

Member

Registered: 2016-05-05

Posts: 7

Re: [Solved] nm-applet does not recognize or connect to Ethernet

Ok, I'll be back in a bit with results then.

reedjosh

Member

Registered: 2016-05-05

Posts: 7

Re: [Solved] nm-applet does not recognize or connect to Ethernet

So... I didn't even restart NM

http://i.imgur.com/4DR4nkE.png

But after a restart, everything just worked. So, I'd mark this as solved, but I'm sure Fred7109's issue still isn't solved.

Thanks for the help anyways!

--  read the Forum Etiquette and only post thumbnails http://wiki.archlinux.org/index.php/For … s_and_code [jwr] --

Last edited by reedjosh (2016-05-06 00:01:53)

Fred7109

Member

Registered: 2015-05-17

Posts: 134

Re: [Solved] nm-applet does not recognize or connect to Ethernet

Thank you for the help. I looked through the GUI and the thought came across, that I had this Ethernet controller »RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller« where I need to blacklist the r8169 module, I must have come to unintentionally delete the blacklist file.

The Ethernet is now working fine again, however, the »device not managed« problem still occur? When I search about the problem there seems only to be one solution, which is to set the following in the config file for the NetworkManager:

[ifupdown]
managed=false

But that does not solve the problem for me. So I downgraded as proposed by reedjosh, and the problem is gone. I will try to update in a couple of weeks to see if the problem still occur.

Last edited by Fred7109 (2016-05-06 08:53:38)