master-paradin is failing due to the cave-paradin/bob-paradin graphics_Gbm test.
https://cros-goldeneye.corp.google.com/chromeos/healthmonitoring/buildDetails?buildbucketId=8927565773973435536

The test fails on an assertion with following log.

12/09 20:08:33.886 ERROR|             utils:0287| [stderr] [minigbm:helpers.c(141)] UNKNOWN FORMAT 456
12/09 20:08:33.890 ERROR|             utils:0287| [stderr] gbmtest: /mnt/host/source/src/platform/minigbm/gbm.c:192: struct gbm_bo *gbm_bo_import(struct gbm_device *, uint32_t, void *, uint32_t): Assertion `num_planes' failed.
12/09 20:08:34.073 WARNI|              test:0606| The test failed with the following exception
Traceback (most recent call last):
  File "/usr/local/autotest/common_lib/test.py", line 600, in _exec
    _call_test_function(self.execute, *p_args, **p_dargs)
  File "/usr/local/autotest/common_lib/test.py", line 800, in _call_test_function
    return func(*args, **dargs)
  File "/usr/local/autotest/common_lib/test.py", line 464, in execute
    postprocess_profiled_run, args, dargs)
  File "/usr/local/autotest/common_lib/test.py", line 371, in _call_run_once
    self.run_once(*args, **dargs)
  File "/usr/local/autotest/cros/graphics/graphics_utils.py", line 164, in wrapper
    return fn(instance, *d_args, **d_kwargs)
  File "/usr/local/autotest/tests/graphics_Gbm/graphics_Gbm.py", line 41, in run_once
    ')')
TestFail: Failed: Gbm test failed ()


To me, CLs in commit due does not seem to relate to this failure.
Maybe there's an error on ToT?
Investigating...