kernel_tainted test from ubuntu_boot failed on node akis on Focal amd64 (failed with flag 12288)

[Kelsey Steele]

Kernel_tainted test from ubuntu_boot failing on Focal 5.4.0-71.79 - lowlatency & generic. Only failing on node akis and passing on the others.

Failing with flag 12288

03/25 15:45:07 INFO |ubuntu_boo:0042| Checking kernel tainted flags in /proc/sys/kernel/tainted
03/25 15:45:07 INFO |ubuntu_boo:0046| ERROR: kernel tainted flag != 0: 12288
03/25 15:45:07 INFO |ubuntu_boo:0046|
03/25 15:45:07 ERROR| test:0414| Exception escaping from test:
Traceback (most recent call last):
  File "/home/ubuntu/autotest/client/shared/test.py", line 411, in _exec
    _call_test_function(self.execute, *p_args, **p_dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 823, in _call_test_function
    return func(*args, **dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 291, in execute
    postprocess_profiled_run, args, dargs)
  File "/home/ubuntu/autotest/client/shared/test.py", line 212, in _call_run_once
    self.run_once(*args, **dargs)
  File "/home/ubuntu/autotest/client/tests/ubuntu_boot/ubuntu_boot.py", line 59, in run_once
    raise error.TestFail()
TestFail

[Kelsey Steele (kelsey-steele)]

Learned axis is a DGX2 which is using additional kernel modules that causes the tainted failure. No need to treat as a regression. Removing blocker tag.