Bob Bernstein wrote: > /var/log/kern.log contains these lines: > > Jul 19 09:15:38 debian kernel: [69157.444725] wireguard: module verification > failed: signature and/or required key missing - tainting kernel > Jul 19 09:15:38 debian kernel: [69157.449554] wireguard: WireGuard > 1.0.20200712 loaded. See www.wireguard.com for information. > Jul 19 09:15:38 debian kernel: [69157.449555] wireguard: Copyright (C) > 2015-2019 Jason A. Donenfeld <ja...@zx2c4.com>. All Rights Reserved. > > This is an old HP amd64 running as noted: > > $ uname -a > Linux debian.localdomain 4.19.0-14-amd64 #1 SMP Debian 4.19.171-2 > (2021-01-30) x86_64 GNU/Linux > > Principal symptom: pervasive slowdown of all connections to remote hosts, > notice first with my smtp smart host. > > I am resigned to reinstalling my VPN, which will bring the latest Wireguard > with it iirc, but are those kern.log lines consistent with my > complaint/report of slowness?
Probably not. We have Wireguard installed on a hundred or so machines, including roving laptops, and there are no issues like that. Note that Wireguard will be part of the default kernel when Bullseye becomes stable in a month or so, or if you get a backports kernel now. -dsr-