IGT-Version: 1.20-gac6739b (x86_64) (Linux: 4.15.0-rc1-drm-intel-qa-ww48-commit-6d6c48b+ x86_64)
(gem_mmap_gtt:1557) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_mmap_gtt:1557) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(gem_mmap_gtt:1557) igt-core-DEBUG: Starting subtest: coherency
(gem_mmap_gtt:1557) DEBUG: Test requirement passed: igt_setup_clflush()
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [__real_main791+0x1410]
  #2 [<unknown>+0x1410]
Subtest coherency: FAIL (0.033s)
(gem_mmap_gtt:1557) igt-core-DEBUG: Exiting with status code 99
(gem_mmap_gtt:1557) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'