Wow, that is a very strange finding. I also see it on Fedora 23 with gcc (GCC) 5.3.1 20160406 (Red Hat 5.3.1-6), 2/100 failures with default configuration, 100% failure rate with -march=native.
Lance ----- Original Message ----- > From: "Ilya Maximets" <i.maxim...@samsung.com> > To: "Numan Siddique" <nusid...@redhat.com>, "Ben Pfaff" <b...@ovn.org>, > b...@openvswitch.org > Cc: dev@openvswitch.org, "Ramu Ramamurthy" <ramu.ramamur...@us.ibm.com>, > "Dyasly Sergey" <s.dya...@samsung.com> > Sent: Friday, August 5, 2016 9:21:33 AM > Subject: Re: [ovs-dev] [openvswitch 2.5.90] testsuite: 2224 failed > > Exactly same situation with gcc (GCC) 6.1.1 20160510 (Red Hat 6.1.1-2). > > On 05.08.2016 14:37, Ilya Maximets wrote: > > There is one interesting bug: > > > > Test 2224 (ovn -- dhcpv4 : 1 HV, 2 LS, 2 LSPs/LS) constantly fails > > with 'CFLAGS=-march=native'. All other tests works normally. > > > > Environment: > > > > * OVS current master: > > commit d59831e9b08e ("bridge: No QoS configured is not an error") > > * Red Hat Enterprise Linux Server release 7.2 (Maipo) > > * Compiler: gcc (GCC) 4.8.5 20150623 (Red Hat 4.8.5-4) > > * Intel(R) Xeon(R) CPU E5-2690 v3 > > > > Test scenario: > > > > 1. Checkout current master branch. > > > > 2. Configure OVS with default configuration: > > > > # ./boot.sh && ./configure && make > > > > 3. Check test #2224 > > > > # make check TESTSUITEFLAGS='2224' > > 2224: ovn -- dhcpv4 : 1 HV, 2 LS, 2 LSPs/LS ok > > > > 4. Clean up > > > > # make distclean > > > > 5. Configure OVS with '-march=native': > > > > # ./boot.sh && ./configure CFLAGS="-march=native" && make > > > > 6. Check test #2224 > > > > # make check TESTSUITEFLAGS='2224' > > 2224: ovn -- dhcpv4 : 1 HV, 2 LS, 2 LSPs/LS FAILED > > (ovn.at:3205) > > > > Test failed because of bad packet: > > > > ./ovn.at:3205: cat 1.packets | cut -c 53- > > --- expout 2016-08-05 14:29:47.205360523 +0300 > > +++ /ovs/tests/testsuite.dir/at-groups/2224/stdout 2016-08-05 > > 14:29:47.215360172 +0300 > > @@ -1 +1 @@ > > -0a0000010a00000400430044011c0000020106006359aa7600000000000000000a0000040000000000000000 > > > > f000000000010000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000638253633501020104ffffff > > 0003040a00000136040a000001330400000e1000000000ff00000000 > > +0a0000010a00000400430044011c0000020106006359aa7600000000000000000a0000040000000000000000 > > > > f000000000010000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 > > > > 00000000000000000000000000000000000000000000000000000000000000006382536335010236040a0000 > > 010104ffffff0003040a000001330400000e1000000000ff00000000 > > > > Full log attached. > > > > Best regards, Ilya Maximets. > > > _______________________________________________ > dev mailing list > dev@openvswitch.org > http://openvswitch.org/mailman/listinfo/dev > _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev