Hi, I just had the same error with Kodi 18.3 (z1zswg7wfz4lb6zmyzsns2hpkbw5scir-kodi-18.3.drv), although only with the TestMassEvent.General test; .Polling passed fine. This kind of makes sense with it being some sort of race condition on the mutex(?).
----------8<-------------- 438/521 Test #438: TestMassEvent.General ....................................................Child aborted***Exception: 1.62 sec Note: Google Test filter = TestMassEvent.General [==========] Running 1 test from 1 test case. [----------] Global test environment set-up. [----------] 1 test from TestMassEvent [ RUN ] TestMassEvent.General [ OK ] TestMassEvent.General (107 ms) [----------] 1 test from TestMassEvent (107 ms total) [----------] Global test environment tear-down [==========] 1 test from 1 test case ran. (162 ms total) [ PASSED ] 1 test. Clean shutdown of TestGlobalPattern1 kodi-test: ../nptl/pthread_mutex_lock.c:434: __pthread_mutex_lock_full: Assertion `robust || (oldval & FUTEX_OWNER_DIED) == 0' failed. Start 439: TestMassEvent.Polling 439/521 Test #439: TestMassEvent.Polling .................................................... Passed 0.23 sec ----------8<-------------- I had a look in dmesg as suggested by Amirouche, and this appears to be the only relevant line: ----------8<-------------- [ 1540.045259] audit: type=1701 audit(1564480138.686:163): auid=4294967295 uid=977 gid=977 ses=4294967295 pid=11783 comm="DumbThread" exe="/tmp/guix-build-kodi-18.3.drv-0/build/kodi-test" sig=6 res=1 ----------8<-------------- -- Josh Holland