https://bugs.freedesktop.org/show_bug.cgi?id=95427
--- Comment #2 from Humberto Israel Perez Rodriguez humberto.i.perez.rodriguez@intel.com --- even with 16GB of ram in APL the following tests keeps failing :
Tests cases ============= igt@gem_userptr_blits@mlocked-unsync-normal igt@gem_userptr_blits@mlocked-normal-sync
output : ============ IGT-Version: 1.15-g3ce58b6 (x86_64) (Linux: 4.7.0-rc2-drm-intel-nightly-ww24-commit-55d1291+ x86_64) (gem_userptr_blits:1332) drmtest-DEBUG: Test requirement passed: fd >= 0 (gem_userptr_blits:1332) ioctl-wrappers-DEBUG: Test requirement passed: !(ret == ENODEV && (flags & LOCAL_I915_USERPTR_UNSYNCHRONIZED) == 0 && !read_only) (gem_userptr_blits:1332) DEBUG: Test requirement passed: !(ret == 0) Aperture size is 268435456 MiB Total RAM is 15,884 MiB Not enough RAM to run test, reducing buffer count. Testing unsynchronized mappings... (gem_userptr_blits:1332) igt-core-DEBUG: Starting subtest: mlocked-unsync-normal (gem_userptr_blits:1332) intel-os-DEBUG: Checking 256 surfaces of size 1,048,576 bytes (total 268,566,528) against RAM (gem_userptr_blits:1332) intel-os-DEBUG: Test requirement passed: __intel_check_memory(count, size, mode, &required, &total) (gem_userptr_blits:1332) igt-core-DEBUG: Test requirement passed: !igt_run_in_simulation() (gem_userptr_blits:1332) DEBUG: Test requirement passed: pin > sz (gem_userptr_blits:1332) DEBUG: Pinning [15,428, 15,684] MiB Killed
relevant kernel messages: ============================= kern :err : [Sat Jun 18 16:18:55 2016] 32 and 0 pages still available in the bound and unbound GPU page lists. kern :err : [Sat Jun 18 16:18:55 2016] Out of memory: Kill process 1348 (gem_userptr_bli) score 1762 or sacrifice child kern :err : [Sat Jun 18 16:18:55 2016] Killed process 1348 (gem_userptr_bli) total-vm:16169932kB, anon-rss:15988692kB, file-rss:4kB, shmem-rss:0kB
looks like that is something wrong in the test itself of the test needs much more memory ?