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Message-ID: <1428592109.25985.249.camel@edumazet-glaptop2.roam.corp.google.com> Date: Thu, 09 Apr 2015 08:08:29 -0700 From: Eric Dumazet <eric.dumazet@...il.com> To: Jan Engelhardt <jengelh@...i.de> Cc: Linux Networking Developer Mailing List <netdev@...r.kernel.org> Subject: Re: TSO on veth device slows transmission to a crawl On Thu, 2015-04-09 at 12:26 +0200, Jan Engelhardt wrote: > On Thursday 2015-04-09 11:24, Eric Dumazet wrote: > >> I was finally able to reproduce it reliably, and with just one > >> machine/kernel instance (and a number of containers of course). > >> > >> I have uploaded the script mix to > >> http://inai.de/files/tso-1.tar.xz > >> There is a demo screencast at > >> http://inai.de/files/tso-1.mkv > > > >Thanks for providing these scripts, but they do not work on my host > >running latest net-next > > > >Basic IP routing seems not properly enabled, as even ping does not work > >to reach 10.10.23.23 > > Since I have net.ipv4.conf.all.forwarding,net.ipv4.ip_forward=1 > this probably got inherited into the containers, so I did not > write it down into the scripts. > Enable it :) The thing is : It is enabled. > > >Have you tried net-next as well ? > > I have now - a quick test yields no problem. Next I will do a reverse > bisect just for the fun. Cool ;) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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