net:io_uring_zerocopy_tx.sh fails on lunar:generic-arm64k

[Roxana Nicolescu]

19997 19:20:38 INFO | START ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh timeout=2700 timestamp=1686079238 localtime=Jun 06 19:20:38
      19998 19:20:38 DEBUG| Persistent state client._record_indent now set to 2
      19999 19:20:38 DEBUG| Persistent state client.unexpected_reboot now set to ('ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh', 'ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh')
      20000 19:20:38 DEBUG| Waiting for pid 586496 for 2700 seconds
      20001 19:20:38 WARNI| System python is too old, crash handling disabled
      20002 19:20:38 DEBUG| Running 'make run_tests -C net TEST_PROGS=io_uring_zerocopy_tx.sh TEST_GEN_PROGS='' TEST_CUSTOM_PROGS='''
      20003 19:20:38 DEBUG| [stdout] make: Entering directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
      20004 19:20:38 DEBUG| [stdout] TAP version 13
      20005 19:20:38 DEBUG| [stdout] 1..1
      20006 19:20:38 DEBUG| [stdout] # selftests: net: io_uring_zerocopy_tx.sh
      20007 19:20:38 DEBUG| [stdout] # ipv4 udp -m 1 -t 1 -n 32
      20008 19:20:38 DEBUG| [stdout] # ./io_uring_zerocopy_tx: io_uring: buffer registration: Unknown error -95
      20009 19:20:41 DEBUG| [stdout] # rx=0 (0 MB)
      20010 19:20:41 DEBUG| [stdout] not ok 1 selftests: net: io_uring_zerocopy_tx.sh # exit=1
      20011 19:20:41 DEBUG| [stdout] make: Leaving directory '/home/ubuntu/autotest/client/tmp/ubuntu_kernel_selftests/src/linux/tools/testing/selftests/net'
      20012 19:20:41 ERROR| Exception escaping from test:
      20013 Traceback (most recent call last):
      20014 File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
      20015 _call_test_function(self.execute, *p_args, **p_dargs)
      20016 File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
      20017 return func(*args, **dargs)
      20018 ^^^^^^^^^^^^^^^^^^^^
      20019 File "/home/ubuntu/autotest/client/shared/test.py", line 290, in execute
      20020 self._call_run_once(constraints, profile_only,
      20021 File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
      20022 self.run_once(*args, **dargs)
      20023 File "/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py", line 282, in run_once
      20024 raise error.TestError(test_name + ' failed.')
      20025 autotest.client.shared.error.TestError: net:io_uring_zerocopy_tx.sh failed.
      20026 19:20:41 ERROR| child process failed
      20027 19:20:41 DEBUG| Traceback (most recent call last):
      20028 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
      20029 19:20:41 DEBUG| _call_test_function(self.execute, *p_args, **p_dargs)
      20030 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
      20031 19:20:41 DEBUG| return func(*args, **dargs)
      20032 19:20:41 DEBUG| ^^^^^^^^^^^^^^^^^^^^
      20033 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 290, in execute
      20034 19:20:41 DEBUG| self._call_run_once(constraints, profile_only,
      20035 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
      20036 19:20:41 DEBUG| self.run_once(*args, **dargs)
      20037 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py", line 282, in run_once
      20038 19:20:41 DEBUG| raise error.TestError(test_name + ' failed.')
      20039 19:20:41 DEBUG| autotest.client.shared.error.TestError: net:io_uring_zerocopy_tx.sh failed.
      20040 19:20:41 DEBUG|
      20041 19:20:41 DEBUG| During handling of the above exception, another exception occurred:
      20042 19:20:41 DEBUG|
      20043 19:20:41 DEBUG| Traceback (most recent call last):
      20044 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/parallel.py", line 25, in fork_start
      20045 19:20:41 DEBUG| l()
      20046 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/job.py", line 505, in
      20047 19:20:41 DEBUG| l = lambda: test.runtest(self, url, tag, args, dargs)
      20048 19:20:41 DEBUG| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
      20049 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/test.py", line 121, in runtest
      20050 19:20:41 DEBUG| common_test.runtest(job, url, tag, args, dargs, locals(), globals(),
      20051 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 913, in runtest
      20052 19:20:41 DEBUG| mytest._exec(args, dargs)
      20053 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 434, in _exec
      20054 19:20:41 DEBUG| raise exc_info[0](exc_info[1]).with_traceback(exc_info[2])
      20055 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
      20056 19:20:41 DEBUG| _call_test_function(self.execute, *p_args, **p_dargs)
      20057 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
      20058 19:20:41 DEBUG| return func(*args, **dargs)
      20059 19:20:41 DEBUG| ^^^^^^^^^^^^^^^^^^^^
      20060 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 290, in execute
      20061 19:20:41 DEBUG| self._call_run_once(constraints, profile_only,
      20062 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
      20063 19:20:41 DEBUG| self.run_once(*args, **dargs)
      20064 19:20:41 DEBUG| File "/home/ubuntu/autotest/client/tests/ubuntu_kernel_selftests/ubuntu_kernel_selftests.py", line 282, in run_once
      20065 19:20:41 DEBUG| raise error.TestError(test_name + ' failed.')
      20066 19:20:41 DEBUG| autotest.client.shared.error.TestError: net:io_uring_zerocopy_tx.sh failed.
      20067 19:20:42 INFO | ERROR ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh timestamp=1686079242 localtime=Jun 06 19:20:42 net:io_uring_zerocopy_tx.sh failed.
      20068 19:20:42 INFO | END ERROR ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh ubuntu_kernel_selftests.net:io_uring_zerocopy_tx.sh timestamp=1686079242 localtime=Jun 06 19:20:42

It failed during development as well. It is not a new regression