[ovs-dev] [openvswitch 2.5.90] testsuite: 2224 failed

[Lance Richardson]

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.maximets at samsung.com>
> To: "Numan Siddique" <nusiddiq at redhat.com>, "Ben Pfaff" <blp at ovn.org>, bugs at openvswitch.org
> Cc: dev at openvswitch.org, "Ramu Ramamurthy" <ramu.ramamurthy at us.ibm.com>, "Dyasly Sergey" <s.dyasly at 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 at openvswitch.org
> http://openvswitch.org/mailman/listinfo/dev
>