On Sat, 2016-12-03 at 15:15 -0800, Eric Dumazet wrote: > On Sun, 2016-12-04 at 00:03 +0100, Steinar H. Gunderson wrote: > > On Sat, Dec 03, 2016 at 02:55:37PM -0800, Eric Dumazet wrote: > > > Note that starting from linux-4.4, e1000e gets gro_flush_timeout that > > > would help this precise workload > > > > > > https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=32b3e08fff60494cd1d281a39b51583edfd2b18f > > > > > > Maybe you can redo the experiment in ~5 years when distro catches up ;) > > > > I can always find a backport, assuming the IPMI is still working. But it > > really wasn't like this earlier :-) Perhaps something changed on the path, > > unrelated to BBR. > > If the tcpdump is taken on receiver, how would you explain these gaps ? > Like the NIC was frozen for 40 ms !
Wait a minute. If you use fq on the receiver, then maybe your old debian kernel did not backport : https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=9878196578286c5ed494778ada01da094377a686 _______________________________________________ aqm mailing list aqm@ietf.org https://www.ietf.org/mailman/listinfo/aqm
