Our Security scanner shows that there is a vulnerability in the current Kernel 5.15.0-134-generic. So I did an upgrade and it broke network connectivity, badly. To the point where after boot the server doesn’t even see the network interface anymore. This is a Dell Poweredge r710 (I know its very old). I am just trying to keep it alive. IP addr doesn’t list the ethernet NIC at all, but does show other networking devices.
The only thing I can think is that the new Kernel is only a week old and perhaps hasn’t been updated with the same drivers yet? If I roll back the kernel I instantly get the NIC back and have connectivity again. I tried plugging in a USB dongle Network adapter and it doesn’t see it either, so the missing hardware support isn’t restricted to the NIC interface. We have a 10Gig fiber card installed as well, that still works with both kernels. I’ve never had this happen before. Do you folks have any ideas or possible solutions?
Thanks for taking the time to reply.