On Mon, Aug 12, 2019 at 5:15 PM Yi-Hung Wei <yihung....@gmail.com> wrote:
> On Sun, Aug 11, 2019 at 12:30 PM Darrell Ball <dlu...@gmail.com> wrote: > > > > I did some further testing and ran into another issue; in this case, > one, I did not expect. > > > > I added an additional sending of packets at the end of the test after > this check: > > > > AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], > [dnl > > ]) > > > > Below is new code > > > > dnl Do it again > > dnl Send ICMP and UDP traffic > > NS_CHECK_EXEC([at_ns0], [ping -q -c 3 -i 0.3 -w 2 10.1.1.2 | > FORMAT_PING], [0], [dnl > > 3 packets transmitted, 3 received, 0% packet loss, time 0ms > > ]) > > AT_CHECK([ovs-ofctl -O OpenFlow13 packet-out br0 "in_port=1 > packet=50540000000a50540000000908004500001c000000000011a4cd0a0101010a0101020001000200080000 > actions=resubmit(,0)"]) > > > > AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2) | sort], > [0], [dnl > > > icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=5 > > > udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=5 > > ]) > > > > dnl Wait until the timeout expire. > > dnl We intend to wait a bit longer, because conntrack does not recycle > the entry right after it is expired. > > sleep 5 > > > > AT_CHECK([ovs-appctl dpctl/dump-conntrack | FORMAT_CT(10.1.1.2)], [0], > [dnl > > ]) > > > > The test fails bcoz the second time with short timeouts, the conntrack > entries are not cleanup up quickly > > > > @@ -0,0 +1,2 @@ > > > +icmp,orig=(src=10.1.1.1,dst=10.1.1.2,id=<cleared>,type=8,code=0),reply=(src=10.1.1.2,dst=10.1.1.1,id=<cleared>,type=0,code=0),zone=5 > > > +udp,orig=(src=10.1.1.1,dst=10.1.1.2,sport=<cleared>,dport=<cleared>),reply=(src=10.1.1.2,dst=10.1.1.1,sport=<cleared>,dport=<cleared>),zone=5 > > > > > > > > On Tue, Aug 6, 2019 at 12:16 PM Darrell Ball <dlu...@gmail.com> wrote: > >> > >> > >> > >> On Tue, Aug 6, 2019 at 11:07 AM Yi-Hung Wei <yihung....@gmail.com> > wrote: > >>> > >>> On Tue, Aug 6, 2019 at 10:21 AM Darrell Ball <dlu...@gmail.com> wrote: > >>> > > >>> > > >>> > I did some more testing and found a similar problem as in V1. > >>> > > >>> > This test can be run successfully once and then fails after that. > >>> > Maybe you want to look into that. It is probably related to: > >>> > > >>> > dball@ubuntu:~/openvswitch/ovs$ lsmod | grep nf > >>> > . > >>> > nfnetlink_cttimeout 16384 1 > >>> > . > >>> > > >>> > Darrell > >>> > > >>> > >>> Thanks for trying out the test. I can not reproduce the issue that > >>> you mentioned on my local VM. > >>> > >>> Can you provide your kernel version and system-kmod-testsuite.log? > >>> > >>> Thanks, > >>> > >>> -Yi-Hung > >> > >> > >> > >> Here it is: > >> > >> dball@ubuntu:~/ovs$ uname -a > >> Linux ubuntu 4.4.0-119-generic #143-Ubuntu SMP Mon Apr 2 16:08:24 UTC > 2018 x86_64 x86_64 x86_64 GNU/Linux > >> > Thanks for reporting the issue. I am able to reproduce in similar set > up. It should be resolved in v3. > What is the fix you want to use for this bug; it must be different from the second bug you have proposed a patch for in another response ? Thanks Darrell > > Thanks, > > -Yi-Hung > _______________________________________________ dev mailing list d...@openvswitch.org https://mail.openvswitch.org/mailman/listinfo/ovs-dev
