(02:57 PM) [gfx@BSW-2-BRASWELL] [tests]$ : sudo -E ./gem_mmap_gtt --r coherency --d
IGT-Version: 1.19-g4258cc8 (x86_64) (Linux: 4.12.0-drm-tip-ww28-commit-7b50499+ x86_64)
(gem_mmap_gtt:4570) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_mmap_gtt:4570) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(gem_mmap_gtt:4570) igt-core-DEBUG: Starting subtest: coherency
(gem_mmap_gtt:4570) DEBUG: Test requirement passed: igt_setup_clflush()
(gem_mmap_gtt:4570) CRITICAL: Test assertion failure function test_coherency, file gem_mmap_gtt.c:336:
(gem_mmap_gtt:4570) CRITICAL: Failed assertion: cpu[x] == i
(gem_mmap_gtt:4570) CRITICAL: error: 0 != 1
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [__real_main792+0x1410]
  #2 [<unknown>+0x1410]
  #3 [<unknown>+0x1410]
  #4 [<unknown>+0x1410]
Subtest coherency failed.
**** DEBUG ****
(gem_mmap_gtt:4570) DEBUG: Test requirement passed: igt_setup_clflush()
(gem_mmap_gtt:4570) CRITICAL: Test assertion failure function test_coherency, file gem_mmap_gtt.c:336:
(gem_mmap_gtt:4570) CRITICAL: Failed assertion: cpu[x] == i
(gem_mmap_gtt:4570) CRITICAL: error: 0 != 1
****  END  ****
Subtest coherency: FAIL (0.028s)
(gem_mmap_gtt:4570) igt-core-DEBUG: Exiting with status code 99
(gem_mmap_gtt:4570) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'