another answer is to disable gro/tso in the driver via ethtool. On Sun, Jan 6, 2019 at 4:30 PM Pete Heist <[email protected]> wrote: > > > > On Jan 6, 2019, at 9:56 PM, Toke Høiland-Jørgensen <[email protected]> wrote: > > > > Pete Heist <[email protected]> writes: > > > >> Lastly, is using cake as a leaf to htb risky until a fix is made? I’ve > >> been doing that for a while without any apparent issues, though I’m > >> hesitating now to try that in a production environment. > > > > Hmm, that's a good question. I would expect so; but I would also expect > > the issue to show up pretty much straight away, so if you haven't hit it > > yet, I may be wrong. I'll do some more digging... Should probably also > > try to replicate all this stuff on my own machine :) > > > Ok, after what I’m seeing on my APU1 tests on 3.16.7, I’m definitely not > putting split GSO into production. I just turned it on and off three times > and here’s what I got: > > Split GSO on: > > https://www.heistp.net/downloads/htb_split_gso/htb_cake_split_gso.svg > https://www.heistp.net/downloads/htb_split_gso/htb_cake_split_gso2.svg > https://www.heistp.net/downloads/htb_split_gso/htb_cake_split_gso3.svg > > Split GSO off: > > https://www.heistp.net/downloads/htb_split_gso/htb_cake_no_split_gso.svg > https://www.heistp.net/downloads/htb_split_gso/htb_cake_no_split_gso2.svg > https://www.heistp.net/downloads/htb_split_gso/htb_cake_no_split_gso3.svg > > I’ve seen these square waves before with htb and wondered where they came > from, and I think we may finally have an answer! What manner of thing causes > this I don’t know, but there’s a chance you may end up finding out… :) > > _______________________________________________ > Cake mailing list > [email protected] > https://lists.bufferbloat.net/listinfo/cake
-- Dave Täht CTO, TekLibre, LLC http://www.teklibre.com Tel: 1-831-205-9740 _______________________________________________ Cake mailing list [email protected] https://lists.bufferbloat.net/listinfo/cake
