On Monday 19 January 2015 19:11:11 Alexander Graf wrote: > > After hammering on the box a bit again, I'm in a situation where I get > lots of > > [302398.232603] hip04-ether e28b0000.ethernet eth0: rx drop > [302398.377309] hip04-ether e28b0000.ethernet eth0: rx drop > [302398.395198] hip04-ether e28b0000.ethernet eth0: rx drop > [302398.466118] hip04-ether e28b0000.ethernet eth0: rx drop > [302398.659009] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.053389] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.122067] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.268192] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.286081] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.594201] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.683416] hip04-ether e28b0000.ethernet eth0: rx drop > [302399.701307] hip04-ether e28b0000.ethernet eth0: rx drop > > and I really am getting a lot of drops - I can't even ping the machine > anymore. > > However, as it is there's a good chance the machine is simply > unreachable because it's busy writing to the UART, and even if not all > useful messages indicating anything have scrolled out. I really don't > think you should emit any message over and over again to the user. Once > or twice is enough. > > Please make sure to rate limit it. I would argue that packet loss is not an error condition at all and you should not print this at netdev_err() level. You could make this a netdev_dbg(), or just make it silent because it's already counted in the statistics. Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html