Debug messages when running basic-parallel-render on SNB: [ 104.324995] gem_busy: starting subtest basic-parallel-render [ 104.325835] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.326682] [drm:eb_lookup_vmas] Invalid object handle 0 at index 0 [ 104.327504] [drm:drm_ioctl] ret = -2 [ 104.328319] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_CREATE [ 104.329141] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_PWRITE [ 104.329952] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.330758] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.331550] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.332549] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.333324] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.334088] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.334861] [drm:drm_ioctl] ret = -22 [ 104.335631] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.336420] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.337220] [drm:drm_ioctl] ret = -22 [ 104.338018] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.338808] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.339584] [drm:drm_ioctl] ret = -22 [ 104.340350] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.341125] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.341902] [drm:drm_ioctl] ret = -22 [ 104.342670] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.343466] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.344247] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.345238] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.345990] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.346769] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.347537] [drm:drm_ioctl] ret = -22 [ 104.348297] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.349079] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.349865] [drm:drm_ioctl] ret = -22 [ 104.350646] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.351435] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.352218] [drm:drm_ioctl] ret = -22 [ 104.352993] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.353779] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.354583] [drm:drm_ioctl] ret = -22 [ 104.355366] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.356154] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.356930] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.357919] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.358687] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.359443] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.360208] [drm:drm_ioctl] ret = -22 [ 104.360966] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.361737] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.362535] [drm:drm_ioctl] ret = -22 [ 104.363310] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.364091] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.364869] [drm:drm_ioctl] ret = -22 [ 104.365637] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.366442] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.367233] [drm:drm_ioctl] ret = -22 [ 104.368005] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.368794] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.369572] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.370574] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.371312] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.372082] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.372835] [drm:drm_ioctl] ret = -22 [ 104.373590] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.374355] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.375114] [drm:drm_ioctl] ret = -22 [ 104.375877] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.376633] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.377389] [drm:drm_ioctl] ret = -22 [ 104.378163] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.378935] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.379709] [drm:drm_ioctl] ret = -22 [ 104.380490] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.381282] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.382074] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.383084] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.383853] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.384632] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.385412] [drm:drm_ioctl] ret = -22 [ 104.386184] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.386958] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.387725] [drm:drm_ioctl] ret = -22 [ 104.388492] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.389280] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.390081] [drm:drm_ioctl] ret = -22 [ 104.390881] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.391683] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.392491] [drm:drm_ioctl] ret = -22 [ 104.393296] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.394129] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.394954] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.395975] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.396764] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.397557] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.398353] [drm:drm_ioctl] ret = -22 [ 104.399139] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.399918] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.400685] [drm:drm_ioctl] ret = -22 [ 104.401452] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.402241] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.403033] [drm:drm_ioctl] ret = -22 [ 104.403819] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.404619] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.405423] [drm:drm_ioctl] ret = -22 [ 104.406242] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.407075] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.407897] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.408927] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.409710] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.410507] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.411293] [drm:drm_ioctl] ret = -22 [ 104.412060] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.412834] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.413605] [drm:drm_ioctl] ret = -22 [ 104.414373] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.415166] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.415963] [drm:drm_ioctl] ret = -22 [ 104.416766] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.417586] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.418416] [drm:drm_ioctl] ret = -22 [ 104.419235] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.420063] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.420884] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.421911] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.422705] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.423493] [drm:eb_select_ring] execbuf with invalid ring: 4 [ 104.424277] [drm:drm_ioctl] ret = -22 [ 104.425057] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.425843] [drm:eb_select_ring] execbuf with unknown ring: 5 [ 104.426626] [drm:drm_ioctl] ret = -22 [ 104.427407] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.428192] [drm:eb_select_ring] execbuf with unknown ring: 6 [ 104.428988] [drm:drm_ioctl] ret = -22 [ 104.429788] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.430608] [drm:eb_select_ring] execbuf with unknown ring: 7 [ 104.431432] [drm:drm_ioctl] ret = -22 [ 104.432249] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_WAIT [ 104.433071] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, DRM_IOCTL_GEM_CLOSE [ 104.433899] [drm:i915_drop_caches_set] Dropping caches: 0x00000004 [ 104.434703] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, DRM_IOCTL_VERSION [ 104.435526] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_CREATE [ 104.436339] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_CREATE [ 104.437152] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_MMAP [ 104.437953] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_SET_DOMAIN [ 104.438739] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.439555] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_BUSY [ 104.440311] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_BUSY [ 104.441072] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, DRM_IOCTL_VERSION [ 104.441833] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_CREATE [ 104.442627] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_CREATE [ 104.443411] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_MMAP [ 104.444198] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_SET_DOMAIN [ 104.444959] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_EXECBUFFER2 [ 104.445740] [drm:drm_ioctl] pid=1229, dev=0xe200, auth=1, I915_GEM_BUSY < hang >
commit 102943d1bab55e789ffc14f84cdc2567e5916c8c Author: Chris Wilson <chris@chris-wilson.co.uk> Date: Mon Apr 25 18:35:49 2016 +0100 igt/gem_busy: Avoid BSD emission on gen6 Remember to skip using BSD on gen6, unless you want to kill the machine. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=95134 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Closing >1 year old resolved+fixed.
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