Eric,
On Tue, Nov 17, 2015 at 8:07 PM, Eric Dumazet <eric.duma...@gmail.com> wrote: > On Tue, 2015-11-17 at 14:35 +0800, Ethan Zhao wrote: >> Tested the same case with 4.4-RC1, it was fixed in 4.4-RC1. >> But don't know which commit fixed it. >> >> # echo 1024 65535 > /proc/sys/net/ipv4/ip_local_port_range >> # cat /proc/sys/net/ipv4/ip_local_port_range >> 1024 65535 >> # echo 1 > /proc/sys/net/ipv4/tcp_tw_reuse >> # cat /proc/sys/net/ipv4/tcp_tw_reuse >> 1 >> # echo 1 > /proc/sys/net/ipv4/tcp_tw_recycle >> # cat /proc/sys/net/ipv4/tcp_tw_reuse >> 1 >> # ./accept -n 5 -r & >> [1] 11866 >> # port: 7954 >> ninst: 5 >> reuseport: 1 >> >> # ./connect -i 127.0.0.1 -n 5 -d 10 >> 78578.50 >> # uname -a >> Linux localhost.localdomain 4.4.0-rc1 #49 SMP Tue Nov 17 15:04:18 KST >> 2015 x86_64 x86_64 x86_64 GNU/Linux > > Maybe run a reverse bisection ? Hmmm, will do. > > tcp_tw_reuse and tcp_tw_recycle both set to one have never been > supported in linux. > > tcp_tw_recycle - BOOLEAN > Enable fast recycling TIME-WAIT sockets. Default value is 0. > It should not be changed without advice/request of technical > experts. > > tcp_tw_reuse - BOOLEAN > Allow to reuse TIME-WAIT sockets for new connections when it is > safe from protocol viewpoint. Default value is 0. > It should not be changed without advice/request of technical > experts. > > Thanks. > > Thanks, Ethan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
