Hi Ole,

I think this should fix the GRE tests:
  https://gerrit.fd.io/r/#/c/16272/

/Neale


-----Message d'origine-----
De : <vpp-dev@lists.fd.io> au nom de Ole Troan <otr...@employees.org>
Date : mercredi 28 novembre 2018 à 19:55
À : vpp-dev <vpp-dev@lists.fd.io>
Objet : [vpp-dev] Verify issues (GRE)

    Guys,
    
    The verify job have been unstable over the last few days.
    We see some instability in the Jenkins build system, in the test harness 
itself, and in the tests.
    On my 18.04 machine I’m seeing intermittent failures in GRE, GBP, DHCP, VCL.
    
    It looks like Jenkins is functioning correctly now.
    Ed and I are also testing a revert of all the changes made to the test 
framework itself over the last couple of days. A bit harsh, but we think this 
might be the quickest way back to some level of stability.
    
    Then we need to fix the tests that are in themselves unstable.
    
    Any volunteers to see if they can figure out why GRE fails?
    
    Cheers,
    Ole
    
    
    GRE Test Case 
    
==============================================================================
    GRE IPv4 tunnel Tests                                                    OK
    GRE IPv6 tunnel Tests                                                    OK
    GRE tunnel L2 Tests                                                      OK
    19:37:47,505 Unexpected packets captured:
    Packet #0:
    0000  02010000FF0202FE70A06AD308004500 ........p.j...E.
    0010  002A000100003F11219FAC100101AC10 .*....?.!.......
    0020  010204D204D2001672A9343336392033 ........r.4369 3
    0030  2033202D31202D31                  3 -1 -1
    
    ###[ Ethernet ]### 
      dst       = 02:01:00:00:ff:02
      src       = 02:fe:70:a0:6a:d3
      type      = IPv4
    ###[ IP ]### 
         version   = 4
         ihl       = 5
         tos       = 0x0
         len       = 42
         id        = 1
         flags     = 
         frag      = 0
         ttl       = 63
         proto     = udp
         chksum    = 0x219f
         src       = 172.16.1.1
         dst       = 172.16.1.2
         \options   \
    ###[ UDP ]### 
            sport     = 1234
            dport     = 1234
            len       = 22
            chksum    = 0x72a9
    ###[ Raw ]### 
               load      = '4369 3 3 -1 -1'
    
    Ten more packets
    
    
    ###[ UDP ]### 
            sport     = 1234
            dport     = 1234
            len       = 22
            chksum    = 0x72a9
    ###[ Raw ]### 
               load      = '4369 3 3 -1 -1'
    
    ** Ten more packets
    
    Print limit reached, 10 out of 257 packets printed
    19:37:47,770 REG: Couldn't remove configuration for object(s):
    19:37:47,770 <vpp_ip_route.VppIpRoute object at 0x7f4c1e7e9b10>
    GRE tunnel VRF Tests                                                     
ERROR [ temp dir used by test case: /tmp/vpp-unittest-TestGRE-hthaHC ]
    
    
==============================================================================
    ERROR: GRE tunnel VRF Tests
    
------------------------------------------------------------------------------
    Traceback (most recent call last):
      File "/vpp/16257/test/test_gre.py", line 61, in tearDown
        super(TestGRE, self).tearDown()
      File "/vpp/16257/test/framework.py", line 546, in tearDown
        self.registry.remove_vpp_config(self.logger)
      File "/vpp/16257/test/vpp_object.py", line 86, in remove_vpp_config
        (", ".join(str(x) for x in failed)))
    Exception: Couldn't remove configuration for object(s): 1:2.2.2.2/32
    
    
==============================================================================
    FAIL: GRE tunnel VRF Tests
    
------------------------------------------------------------------------------
    Traceback (most recent call last):
      File "/vpp/16257/test/test_gre.py", line 787, in test_gre_vrf
        remark="GRE decap packets in wrong VRF")
      File "/vpp/16257/test/vpp_pg_interface.py", line 264, in 
assert_nothing_captured
        (self.name, remark))
    AssertionError: Non-empty capture file present for interface pg0 (GRE decap 
packets in wrong VRF)

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