Hello VPP dev team, Usage of reset_fib API command to reset IPv6 FIB leads to incorrect entry in the FIB and to crash of VPP.
Could somebody have a look on Jira ticket https://jira.fd.io/browse/VPP-643, please? Thanks, Jan >From make test log: 12:14:51,710 API: reset_fib ({'vrf_id': 1, 'is_ipv6': 1}) 12:14:51,712 IPv6 VRF ID 1 reset 12:14:51,712 CLI: show ip6 fib 12:14:51,714 show ip6 fib ipv6-VRF:0, fib_index 0, flow hash: src dst sport dport proto ::/0 unicast-ip6-chain [@0]: dpo-load-balance: [index:5 buckets:1 uRPF:5 to:[30:15175]] [0] [@0]: dpo-drop ip6 fd01:4::1/128 unicast-ip6-chain [@0]: dpo-load-balance: [index:44 buckets:1 uRPF:5 to:[0:0]] [0] [@0]: dpo-drop ip6 fd01:7::1/128 unicast-ip6-chain [@0]: dpo-load-balance: [index:71 buckets:1 uRPF:5 to:[0:0]] [0] [@0]: dpo-drop ip6 fd01:a::1/128 unicast-ip6-chain [@0]: dpo-load-balance: [index:98 buckets:1 uRPF:5 to:[0:0]] [0] [@0]: dpo-drop ip6 fe80::/10 unicast-ip6-chain [@0]: dpo-load-balance: [index:6 buckets:1 uRPF:6 to:[0:0]] [0] [@2]: dpo-receive ipv6-VRF:1, fib_index 1, flow hash: src dst sport dport proto ::/0 unicast-ip6-chain [@0]: dpo-load-balance: [index:15 buckets:1 uRPF:13 to:[0:0]] [0] [@0]: dpo-drop ip6 fd01:1::/64 UNRESOLVED fe80::/10 unicast-ip6-chain [@0]: dpo-load-balance: [index:16 buckets:1 uRPF:14 to:[0:0]] [0] [@2]: dpo-receive And later: 12:14:52,170 CLI: packet-generator enable 12:14:57,171 --- addError() TestIP6VrfMultiInst.test_ip6_vrf_02( IP6 VRF Multi-instance test 2 - delete 2 VRFs ) called, err is (<type 'exceptions.IOError'>, IOError(3, 'Waiting for reply timed out'), <traceback object at 0x2abab83db5a8>) 12:14:57,172 formatted exception is: Traceback (most recent call last): File "/usr/lib/python2.7/unittest/case.py", line 331, in run testMethod() File "/home/vpp/Documents/vpp/test/test_ip6_vrf_multi_instance.py", line 365, in test_ip6_vrf_02 self.run_verify_test() File "/home/vpp/Documents/vpp/test/test_ip6_vrf_multi_instance.py", line 322, in run_verify_test self.pg_start() File "/home/vpp/Documents/vpp/test/framework.py", line 398, in pg_start cls.vapi.cli('packet-generator enable') File "/home/vpp/Documents/vpp/test/vpp_papi_provider.py", line 169, in cli r = self.papi.cli_inband(length=len(cli), cmd=cli) File "build/bdist.linux-x86_64/egg/vpp_papi/vpp_papi.py", line 305, in <lambda> f = lambda **kwargs: (self._call_vpp(i, msgdef, multipart, **kwargs)) File "build/bdist.linux-x86_64/egg/vpp_papi/vpp_papi.py", line 547, in _call_vpp r = self.results_wait(context) File "build/bdist.linux-x86_64/egg/vpp_papi/vpp_papi.py", line 395, in results_wait raise IOError(3, 'Waiting for reply timed out') IOError: [Errno 3] Waiting for reply timed out 12:14:57,172 --- tearDown() for TestIP6VrfMultiInst.test_ip6_vrf_02( IP6 VRF Multi-instance test 2 - delete 2 VRFs ) called --- 12:14:57,172 CLI: show trace 12:14:57,172 VPP subprocess died unexpectedly with returncode -6 [unknown] 12:14:57,172 --- addError() TestIP6VrfMultiInst.test_ip6_vrf_02( IP6 VRF Multi-instance test 2 - delete 2 VRFs ) called, err is (<class 'hook.VppDiedError'>, VppDiedError('VPP subprocess died unexpectedly with returncode -6 [unknown]',), <traceback object at 0x2abab8427098>) 12:14:57,173 formatted exception is: Traceback (most recent call last): File "/usr/lib/python2.7/unittest/case.py", line 360, in run self.tearDown() File "/home/vpp/Documents/vpp/test/test_ip6_vrf_multi_instance.py", line 148, in tearDown super(TestIP6VrfMultiInst, self).tearDown() File "/home/vpp/Documents/vpp/test/framework.py", line 333, in tearDown self.logger.debug(self.vapi.cli("show trace")) File "/home/vpp/Documents/vpp/test/vpp_papi_provider.py", line 167, in cli self.hook.before_cli(cli) File "/home/vpp/Documents/vpp/test/hook.py", line 138, in before_cli self.poll_vpp() File "/home/vpp/Documents/vpp/test/hook.py", line 115, in poll_vpp raise VppDiedError(msg) VppDiedError: VPP subprocess died unexpectedly with returncode -6 [unknown]
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