sam_e70_xplained:running testcase tests/subsys/logging/log_core failed

[Zhaoningx]

Describe the bug
running testcase tests/subsys/logging/log_core failed

To Reproduce
Steps to reproduce the behavior:
sanitycheck -p sam_e70_xplained --device-testing --device-serial /dev/ttyACM0 -T tests/subsys/logging/log_core -vv
see error

*** Booting Zephyr OS build zephyr-v2.4.0-1226-g0d4dca10b2ac  ***
Running test suite test_log_list

===================================================================
START - test_log_backend_runtime_filtering
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:65: put: (log_msg_timestamp_get(msg) not equal to exp_timestamp)
Unexpected message index
FAIL - test_log_backend_runtime_filtering

===================================================================
START - test_log_overflow
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:65: put: (log_msg_timestamp_get(msg) not equal to exp_timestamp)
Unexpected message index
FAIL - test_log_overflow

===================================================================
START - test_log_arguments
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:301: test_log_arguments: (8 not equal to backend1_cb.counter)
Unexpected amount of messages received by the backend.
FAIL - test_log_arguments

===================================================================
START - test_log_from_declared_module
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:325: test_log_from_declared_module: (2 not equal to backend1_cb.counter)
Unexpected amount of messages received by the backend.
FAIL - test_log_from_declared_module

===================================================================
START - test_log_strdup_gc
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:352: test_log_strdup_gc: (2 not equal to backend1_cb.counter)
Unexpected amount of messages received by the backend.
FAIL - test_log_strdup_gc

===================================================================
START - test_log_strdup_detect_miss
PASS - test_log_strdup_detect_miss

===================================================================
START - test_strdup_trimming
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:434: test_strdup_trimming: (1 not equal to backend1_cb.counter)
Unexpected amount of messages received by the backend.
FAIL - test_strdup_trimming

===================================================================
START - test_log_msg_dropped_notification
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:449: log_n_messages: (backend1_cb.total_drops not equal to exp_dropped)
Unexpected log msg dropped 24 (expected 0)
FAIL - test_log_msg_dropped_notification

===================================================================
START - test_z_log_get_s_mask
PASS - test_z_log_get_s_mask

===================================================================
START - test_log_panic
Assertion failed at WEST_TOPDIR/zephyr/tests/subsys/logging/log_core/src/log_core_test.c:517: test_log_panic: (2 not equal to backend1_cb.counter)
Unexpected amount of messages received by the backend.
FAIL - test_log_panic

===================================================================
Test suite test_log_list failed.

===================================================================
PROJECT EXECUTION FAILED

Environment (please complete the following information):
OS: Fedora28
Toolchain: Zephyr-sdk-0.11.3
Commit ID: g0d4dca10b2ac

[nashif]

not able to reproduce this.