(01:07 PM) [gfx@gfx-desktop] [tests]$ : sudo -E ./gem_mocs_settings --r mocs-suspend-blt --d
[sudo] password for gfx: 
IGT-Version: 1.19-g4524a89 (x86_64) (Linux: 4.13.0-rc6-drm-tip-ww34-commit-ebd0ddf+ x86_64)
(gem_mocs_settings:2166) drmtest-DEBUG: Test requirement passed: !(fd<0)
(gem_mocs_settings:2166) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(gem_mocs_settings:2166) drmtest-DEBUG: Test requirement passed: is_i915_device(fd) && has_known_intel_chipset(fd)
(gem_mocs_settings:2166) ioctl-wrappers-DEBUG: Test requirement passed: err == 0
(gem_mocs_settings:2166) ioctl-wrappers-DEBUG: Test requirement passed: gem_has_mocs_registers(fd)
(gem_mocs_settings:2166) DEBUG: Test requirement passed: get_mocs_settings(fd, &table, false)
(gem_mocs_settings:2166) igt-core-DEBUG: Starting subtest: mocs-suspend-blt
(gem_mocs_settings:2166) DEBUG: Test requirement passed: get_engine_base(engine)
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: Test assertion failure function gem_execbuf, file ioctl_wrappers.c:624:
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: Failed assertion: __gem_execbuf(fd, execbuf) == 0
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: error: -1 != 0
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [gem_execbuf+0x44]
  #2 [do_read_registers+0x1b8]
  #3 [check_mocs_values+0xc6]
  #4 [__real_main415+0x27b]
  #5 [main+0x33]
  #6 [__libc_start_main+0xf1]
  #7 [_start+0x29]
  #8 [<unknown>+0x29]
Subtest mocs-suspend-blt failed.
**** DEBUG ****
(gem_mocs_settings:2166) DEBUG: Test requirement passed: get_engine_base(engine)
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: Test assertion failure function gem_execbuf, file ioctl_wrappers.c:624:
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: Failed assertion: __gem_execbuf(fd, execbuf) == 0
(gem_mocs_settings:2166) ioctl-wrappers-CRITICAL: error: -1 != 0
****  END  ****
Subtest mocs-suspend-blt: FAIL (0.004s)
(gem_mocs_settings:2166) igt-core-DEBUG: Exiting with status code 99
(gem_mocs_settings:2166) igt-debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'