Thanks for the reply. Maybe I'm not correctly interpreting the reply referring to "a kernel issue like this requires kernel bisection" and "We can't do much if we don't have the hardware".
Why would the internet connectivity issues I'm seeing with Ubuntu 18.04 Server running the Intel onboard i219-v Ethernet adapter be a kernel issue? As I've stated multiple times already, this i219-v Ethernet adapter ran perfectly on CentOS Server 7.4 for over a week (and we know CentOS is much more conservation with the Linux kernels used in their distribution) before I removed CentOS 7.4 and decided I'd given Ubuntu Server 18.04 a try and see where Ubuntu is at as a Linux server distribution vs CentOS. Given my experience designing and building $B networks, this is not a hardware issue (very, very rare) and given CentOS Server 7.4 worked perfectly for everything expected of a server, including the network performance using this same i219-v Ethernet adaptor, it's most likely not a Linux kernel issue. There's something in the way Ubuntu Server 18.04 is configured to use this Intel i219-v onboard network adaptor hardware that's the root of the issue. It's probably a scenario that Ubuntu Server 18.04 had probably not seen before and was never verified with (given what I know and have observed with how software is tested these days. My vendors constantly use us as a testing platform, but that's a separate story). Again today, the network adaptor on the Ubuntu 18.04 server lost connectivity to the internet and I had to disconnect and then reconnect the wired Ethernet connnection to get the internet connection backup (simply, Network Manager service has to be stopped and then restarted, you can see it clearly in the logs I provided in a previous post). What is Ubuntu support/development saying here? That Ubuntu Server 18.04 can't execute basic internet connectivity on the i219-v Ethernet adaptor in a 100% stable manner? -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1785171 Title: Intel I219-V Ethernet Interface on Ubuntu Linux Using e1000e Driver keeps Dropping Internet Connection Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: I've turned up many, many new server and workstation systems over the years on both Linux and Windows. Never seen anything like this behaviour I'm witnessing on Ubuntu Server 18.04 before where I simply lose Internet connectivity while using a browser. Ethernet interfaces usually either work or they don't work. I've configured the Intel I219-V Ethernet interface (wired Ethernet connection, there is no wifi on this system) using the e1000e driver for Ubuntu. The Ethernet connection is configured to use NetworkManager via Netplan on Ubuntu 18.04 LTS Server version. ASRock Z370m Pro4 motherboard. The Ethernet interface will drop the Internet connectivity when I'm using either the Firefox or Chrome browser. It usually happens when I'm using the search features of the browser. I can't figure out what would cause this type of behaviour. When the Internet connection drops, the only way to get back Internet connectivity is to disconnect the wired connection using the Ubuntu features and then re-connect (this restarts the NetworkManager service I notice). In the NetworkManager logs I do notice an "auth" error about a file or directory not found. I've never seen that before. Note: The auth error does not coincide with the loss of Internet connectivity, but it does proceed it. Often there can be many hours between the auth error and the actual loss of Internet connectivity. After I reconnect the connection (via re-starting the NetworkManager service) all will be fine for up to a day or so, but then I stress test it with a bunch of searches using the browser and usually I can get the Internet connectivity to drop again. Repeat the disconnect and reconnect process again (aka re-start NetworkManager) and the Internet connectivity will be fine again. The longest I've seen it go without an "Internet connectivity drop" issue is about 36 hours. I notice that the e1000e driver does not list the I219-V as a supported Ethernet interface in the Intel documentation for the Linux version of the driver. I'm not sure why that is. The I219-V is supposed to used another driver, but it's not clear there's a Linux version for of the driver for the I219-V. I'm really disappointed that I've run into this issue with Ubuntu Server LTS 18.04 on this motherboard. I had CentOS Server 7.4 (my standard server OS, a great Linux distro) on this same motherboard for a week with no issues, so I know the motherboard and the I219-V Ethernet interface are 100% good hardware wise and can work properly. CentOS 7.4 uses NetworkManager as the default for managing the Ethernet interface. The only reason I'm using Ubuntu Server 18.04 on this motherboard is because of a specific package that Ubuntu has a newer packaged version than CentOS. CentOS is extremely stable when it comes to basic server functionality. Hopefully, this bug with the I219-V Ethernet interface using the e1000e drive for Linux can be verified and a fix rolled out. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1785171/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
