Ubuntu

Update stopped ethernet and wifi working

Asked by ken bright

I have been running Ubuntu 14 04 successfully for 10 months on a Zoostorm with a pentium G3620 64 bit.
After todays automatic up dates I have lost internet connection. Wired and wireless labels have disappeared from 'system settings network' and only network proxy remains. When I click on network a message "The system network services are not compatible with this version " appears.
I can get network connection with a 16 04 live boot from CD I picked up to day so its fairly obvious I need to reverse something in the 14 04 update but I don't know what and how(I don't want to install the 16 04 just yet )
I am also getting a "System problem detected" but can't report it automatically without internet connection. I'm posting this from my windows machine

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Jared Gehling (jaredp-u) said : 		#1

I am having the same problem. I don't, however have Ubuntu 16 downloaded yet. I don't have a backup computer to get it on a thumb drive either. So, I would also like to find a way of reversing the update.

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actionparsnip (andrew-woodhead666) said : 		#2

If you boot an older kernel is it OK?

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Jaime (jbazan) said : 		#3

Not working in my case even with previous kernels :(

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Jaime (jbazan) said : 		#4

I have found this new error message into /var/log/syslog | grep NetworkManager:
May 14 10:13:35 host kernel: [ 115.329287] traps: NetworkManager[2945] general protection ip:469fee sp:7fff721d9fb0 error:0 in NetworkManager[400000+10d000]

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Jaime (jbazan) said : 		#5

Reinstalled NetworkManager and working now. Why that package disaapear into my last update!??!?!
For persons affected by same issue, just reinstall last version of NetworkManager:
http://askubuntu.com/questions/55805/how-do-i-re-install-network-manager-without-an-internet-connection

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