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[Bug 2067698] [NEW] udpgro_fwd.sh from ubuntu_kselftests_net failed with N-6.8 (all GRO frag list and GRO fwd failed)

 

Public bug reported:

Issue found on N-6.8.0-35.35

All "GRO frag list" and "GRO fwd" related tests failed

Test log:
 Running 'make run_tests -C net TEST_PROGS=udpgro_fwd.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
 make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kselftests_net/src/linux/tools/testing/selftests/net'
 TAP version 13
 1..1
 # timeout set to 0
 # selftests: net: udpgro_fwd.sh
 # IPv4
 # No GRO                                   ok
 # GRO frag list                            fail - received 10 packets, expected 1
 # GRO fwd                                  fail - received 10 packets, expected 1
 # UDP fwd perf                            udp rx:    332 MB/s   268432 calls/s
 # udp tx:    590 MB/s    10021 calls/s  10021 msg/s
 # udp rx:    342 MB/s   276877 calls/s
 # udp tx:    592 MB/s    10043 calls/s  10043 msg/s
 # udp rx:    341 MB/s   275968 calls/s
 # udp tx:    592 MB/s    10054 calls/s  10054 msg/s
 # UDP GRO fwd perf                        udp rx:    328 MB/s   265472 calls/s
 # udp tx:    587 MB/s     9972 calls/s   9972 msg/s
 # udp rx:    340 MB/s   275456 calls/s
 # udp tx:    592 MB/s    10056 calls/s  10056 msg/s
 # udp rx:    339 MB/s   273920 calls/s
 # udp tx:    593 MB/s    10063 calls/s  10063 msg/s
 # GRO frag list over UDP tunnel            fail - received 10 packets, expected 1
 # GRO fwd over UDP tunnel                  fail - received 10 packets, expected 1
 # UDP tunnel fwd perf                     udp rx:      0 MB/s      256 calls/s
 # udp tx:    364 MB/s     6182 calls/s   6182 msg/s
 # udp tx:    539 MB/s     9154 calls/s   9154 msg/s
 # udp rx:      0 MB/s      256 calls/s
 # udp tx:    564 MB/s     9577 calls/s   9577 msg/s
 # udp rx:      0 MB/s      377 calls/s
 # UDP tunnel GRO fwd perf                 udp tx:    569 MB/s     9658 calls/s   9658 msg/s
 # udp rx:      0 MB/s      256 calls/s
 # udp tx:    566 MB/s     9605 calls/s   9605 msg/s
 # udp rx:      0 MB/s      256 calls/s
 # udp tx:    569 MB/s     9663 calls/s   9663 msg/s
 # IPv6
 # No GRO                                   ok
 # GRO frag list                            fail - received 10 packets, expected 1
 # GRO fwd                                  fail - received 10 packets, expected 1
 # UDP fwd perf                            udp rx:    337 MB/s   272640 calls/s
 # udp tx:    582 MB/s     9881 calls/s   9881 msg/s
 # udp rx:    409 MB/s   331633 calls/s
 # udp tx:    581 MB/s     9863 calls/s   9863 msg/s
 # udp rx:    414 MB/s   335360 calls/s
 # udp tx:    577 MB/s     9795 calls/s   9795 msg/s
 # UDP GRO fwd perf                        udp rx:    391 MB/s   316416 calls/s
 # udp tx:    586 MB/s     9953 calls/s   9953 msg/s
 # udp rx:    402 MB/s   325632 calls/s
 # udp tx:    589 MB/s    10000 calls/s  10000 msg/s
 # udp rx:    402 MB/s   325632 calls/s
 # udp tx:    589 MB/s     9990 calls/s   9990 msg/s
 # GRO frag list over UDP tunnel            fail - received 10 packets, expected 1
 # GRO fwd over UDP tunnel                  fail - received 10 packets, expected 1
 # UDP tunnel fwd perf                     udp tx:    459 MB/s     7786 calls/s   7786 msg/s
 # udp rx:      7 MB/s     5888 calls/s
 # udp tx:    447 MB/s     7591 calls/s   7591 msg/s
 # udp rx:     29 MB/s    23552 calls/s
 # udp tx:    570 MB/s     9678 calls/s   9678 msg/s
 # UDP tunnel GRO fwd perf                 udp rx:     22 MB/s    18432 calls/s
 # udp tx:    577 MB/s     9789 calls/s   9789 msg/s
 # udp rx:     24 MB/s    19456 calls/s
 # udp tx:    580 MB/s     9842 calls/s   9842 msg/s
 # udp tx:    416 MB/s     7064 calls/s   7064 msg/s
 # udp rx:      3 MB/s     2816 calls/s
 not ok 1 selftests: net: udpgro_fwd.sh # exit=1

** Affects: ubuntu-kernel-tests
     Importance: Undecided
         Status: New


** Tags: 6.8 amd64 azure noble sru-20240429 ubuntu-kselftests-net

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https://bugs.launchpad.net/bugs/2067698

Title:
  udpgro_fwd.sh from ubuntu_kselftests_net failed with N-6.8 (all GRO
  frag list and GRO fwd failed)

Status in ubuntu-kernel-tests:
  New

Bug description:
  Issue found on N-6.8.0-35.35

  All "GRO frag list" and "GRO fwd" related tests failed

  Test log:
   Running 'make run_tests -C net TEST_PROGS=udpgro_fwd.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
   make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kselftests_net/src/linux/tools/testing/selftests/net'
   TAP version 13
   1..1
   # timeout set to 0
   # selftests: net: udpgro_fwd.sh
   # IPv4
   # No GRO                                   ok
   # GRO frag list                            fail - received 10 packets, expected 1
   # GRO fwd                                  fail - received 10 packets, expected 1
   # UDP fwd perf                            udp rx:    332 MB/s   268432 calls/s
   # udp tx:    590 MB/s    10021 calls/s  10021 msg/s
   # udp rx:    342 MB/s   276877 calls/s
   # udp tx:    592 MB/s    10043 calls/s  10043 msg/s
   # udp rx:    341 MB/s   275968 calls/s
   # udp tx:    592 MB/s    10054 calls/s  10054 msg/s
   # UDP GRO fwd perf                        udp rx:    328 MB/s   265472 calls/s
   # udp tx:    587 MB/s     9972 calls/s   9972 msg/s
   # udp rx:    340 MB/s   275456 calls/s
   # udp tx:    592 MB/s    10056 calls/s  10056 msg/s
   # udp rx:    339 MB/s   273920 calls/s
   # udp tx:    593 MB/s    10063 calls/s  10063 msg/s
   # GRO frag list over UDP tunnel            fail - received 10 packets, expected 1
   # GRO fwd over UDP tunnel                  fail - received 10 packets, expected 1
   # UDP tunnel fwd perf                     udp rx:      0 MB/s      256 calls/s
   # udp tx:    364 MB/s     6182 calls/s   6182 msg/s
   # udp tx:    539 MB/s     9154 calls/s   9154 msg/s
   # udp rx:      0 MB/s      256 calls/s
   # udp tx:    564 MB/s     9577 calls/s   9577 msg/s
   # udp rx:      0 MB/s      377 calls/s
   # UDP tunnel GRO fwd perf                 udp tx:    569 MB/s     9658 calls/s   9658 msg/s
   # udp rx:      0 MB/s      256 calls/s
   # udp tx:    566 MB/s     9605 calls/s   9605 msg/s
   # udp rx:      0 MB/s      256 calls/s
   # udp tx:    569 MB/s     9663 calls/s   9663 msg/s
   # IPv6
   # No GRO                                   ok
   # GRO frag list                            fail - received 10 packets, expected 1
   # GRO fwd                                  fail - received 10 packets, expected 1
   # UDP fwd perf                            udp rx:    337 MB/s   272640 calls/s
   # udp tx:    582 MB/s     9881 calls/s   9881 msg/s
   # udp rx:    409 MB/s   331633 calls/s
   # udp tx:    581 MB/s     9863 calls/s   9863 msg/s
   # udp rx:    414 MB/s   335360 calls/s
   # udp tx:    577 MB/s     9795 calls/s   9795 msg/s
   # UDP GRO fwd perf                        udp rx:    391 MB/s   316416 calls/s
   # udp tx:    586 MB/s     9953 calls/s   9953 msg/s
   # udp rx:    402 MB/s   325632 calls/s
   # udp tx:    589 MB/s    10000 calls/s  10000 msg/s
   # udp rx:    402 MB/s   325632 calls/s
   # udp tx:    589 MB/s     9990 calls/s   9990 msg/s
   # GRO frag list over UDP tunnel            fail - received 10 packets, expected 1
   # GRO fwd over UDP tunnel                  fail - received 10 packets, expected 1
   # UDP tunnel fwd perf                     udp tx:    459 MB/s     7786 calls/s   7786 msg/s
   # udp rx:      7 MB/s     5888 calls/s
   # udp tx:    447 MB/s     7591 calls/s   7591 msg/s
   # udp rx:     29 MB/s    23552 calls/s
   # udp tx:    570 MB/s     9678 calls/s   9678 msg/s
   # UDP tunnel GRO fwd perf                 udp rx:     22 MB/s    18432 calls/s
   # udp tx:    577 MB/s     9789 calls/s   9789 msg/s
   # udp rx:     24 MB/s    19456 calls/s
   # udp tx:    580 MB/s     9842 calls/s   9842 msg/s
   # udp tx:    416 MB/s     7064 calls/s   7064 msg/s
   # udp rx:      3 MB/s     2816 calls/s
   not ok 1 selftests: net: udpgro_fwd.sh # exit=1

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