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drm/i915/selftest: Better error reporting from hangcheck selftest
There are many ways in which the hangcheck selftest can fail. Very few of them actually printed an error message to say what happened. So, fill in the missing messages. Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: Matthew Brost <matthew.brost@intel.com> Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-27-matthew.brost@intel.com
This commit is contained in:
John Harrison
parent
62eaf0ae21
commit
3f5dff6c18
@ -378,6 +378,7 @@ static int igt_reset_nop(void *arg)
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ce = intel_context_create(engine);
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if (IS_ERR(ce)) {
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err = PTR_ERR(ce);
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pr_err("[%s] Create context failed: %d!\n", engine->name, err);
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break;
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}
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@ -387,6 +388,8 @@ static int igt_reset_nop(void *arg)
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rq = intel_context_create_request(ce);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create request failed: %d!\n",
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engine->name, err);
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break;
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}
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@ -401,24 +404,31 @@ static int igt_reset_nop(void *arg)
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igt_global_reset_unlock(gt);
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if (intel_gt_is_wedged(gt)) {
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pr_err("[%s] GT is wedged!\n", engine->name);
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err = -EIO;
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break;
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}
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if (i915_reset_count(global) != reset_count + ++count) {
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pr_err("Full GPU reset not recorded!\n");
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pr_err("[%s] Reset not recorded: %d vs %d + %d!\n",
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engine->name, i915_reset_count(global), reset_count, count);
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err = -EINVAL;
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break;
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}
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err = igt_flush_test(gt->i915);
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if (err)
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if (err) {
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pr_err("[%s] Flush failed: %d!\n", engine->name, err);
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break;
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}
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} while (time_before(jiffies, end_time));
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pr_info("%s: %d resets\n", __func__, count);
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if (igt_flush_test(gt->i915))
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if (igt_flush_test(gt->i915)) {
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pr_err("Post flush failed: %d!\n", err);
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err = -EIO;
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}
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return err;
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}
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@ -441,8 +451,10 @@ static int igt_reset_nop_engine(void *arg)
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int err;
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ce = intel_context_create(engine);
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if (IS_ERR(ce))
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if (IS_ERR(ce)) {
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pr_err("[%s] Create context failed: %d!\n", engine->name, err);
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return PTR_ERR(ce);
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}
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reset_count = i915_reset_count(global);
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reset_engine_count = i915_reset_engine_count(global, engine);
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@ -550,8 +562,10 @@ static int igt_reset_fail_engine(void *arg)
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int err;
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ce = intel_context_create(engine);
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if (IS_ERR(ce))
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if (IS_ERR(ce)) {
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pr_err("[%s] Create context failed: %d!\n", engine->name, err);
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return PTR_ERR(ce);
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}
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st_engine_heartbeat_disable(engine);
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set_bit(I915_RESET_ENGINE + id, >->reset.flags);
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@ -711,6 +725,8 @@ static int __igt_reset_engine(struct intel_gt *gt, bool active)
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n",
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engine->name, err);
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break;
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}
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@ -765,12 +781,16 @@ static int __igt_reset_engine(struct intel_gt *gt, bool active)
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break;
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err = igt_flush_test(gt->i915);
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if (err)
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if (err) {
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pr_err("[%s] Flush failed: %d!\n", engine->name, err);
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break;
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}
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}
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if (intel_gt_is_wedged(gt))
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if (intel_gt_is_wedged(gt)) {
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pr_err("GT is wedged!\n");
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err = -EIO;
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}
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if (active)
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hang_fini(&h);
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@ -837,6 +857,7 @@ static int active_engine(void *data)
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ce[count] = intel_context_create(engine);
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if (IS_ERR(ce[count])) {
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err = PTR_ERR(ce[count]);
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pr_err("[%s] Create context #%ld failed: %d!\n", engine->name, count, err);
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while (--count)
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intel_context_put(ce[count]);
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return err;
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@ -852,6 +873,7 @@ static int active_engine(void *data)
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new = intel_context_create_request(ce[idx]);
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if (IS_ERR(new)) {
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err = PTR_ERR(new);
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pr_err("[%s] Create request #%d failed: %d!\n", engine->name, idx, err);
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break;
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}
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@ -867,8 +889,10 @@ static int active_engine(void *data)
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}
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err = active_request_put(old);
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if (err)
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if (err) {
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pr_err("[%s] Request put failed: %d!\n", engine->name, err);
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break;
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}
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cond_resched();
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}
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@ -876,6 +900,9 @@ static int active_engine(void *data)
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for (count = 0; count < ARRAY_SIZE(rq); count++) {
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int err__ = active_request_put(rq[count]);
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if (err)
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pr_err("[%s] Request put #%ld failed: %d!\n", engine->name, count, err);
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/* Keep the first error */
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if (!err)
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err = err__;
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@ -949,6 +976,7 @@ static int __igt_reset_engines(struct intel_gt *gt,
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"igt/%s", other->name);
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if (IS_ERR(tsk)) {
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err = PTR_ERR(tsk);
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pr_err("[%s] Thread spawn failed: %d!\n", engine->name, err);
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goto unwind;
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}
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@ -967,6 +995,8 @@ static int __igt_reset_engines(struct intel_gt *gt,
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n",
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engine->name, err);
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break;
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}
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@ -998,11 +1028,10 @@ static int __igt_reset_engines(struct intel_gt *gt,
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if (rq) {
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if (rq->fence.error != -EIO) {
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pr_err("i915_reset_engine(%s:%s):"
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" failed to reset request %llx:%lld\n",
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pr_err("i915_reset_engine(%s:%s): failed to reset request %lld:%lld [0x%04X]\n",
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engine->name, test_name,
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rq->fence.context,
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rq->fence.seqno);
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rq->fence.seqno, rq->context->guc_id);
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i915_request_put(rq);
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GEM_TRACE_DUMP();
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@ -1101,8 +1130,10 @@ unwind:
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break;
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err = igt_flush_test(gt->i915);
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if (err)
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if (err) {
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pr_err("[%s] Flush failed: %d!\n", engine->name, err);
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break;
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}
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}
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if (intel_gt_is_wedged(gt))
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@ -1180,12 +1211,15 @@ static int igt_reset_wait(void *arg)
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igt_global_reset_lock(gt);
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err = hang_init(&h, gt);
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if (err)
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if (err) {
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pr_err("[%s] Hang init failed: %d!\n", engine->name, err);
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goto unlock;
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}
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n", engine->name, err);
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goto fini;
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}
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@ -1310,12 +1344,15 @@ static int __igt_reset_evict_vma(struct intel_gt *gt,
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/* Check that we can recover an unbind stuck on a hanging request */
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err = hang_init(&h, gt);
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if (err)
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if (err) {
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pr_err("[%s] Hang init failed: %d!\n", engine->name, err);
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return err;
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}
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obj = i915_gem_object_create_internal(gt->i915, SZ_1M);
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if (IS_ERR(obj)) {
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err = PTR_ERR(obj);
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pr_err("[%s] Create object failed: %d!\n", engine->name, err);
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goto fini;
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}
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@ -1330,12 +1367,14 @@ static int __igt_reset_evict_vma(struct intel_gt *gt,
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arg.vma = i915_vma_instance(obj, vm, NULL);
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if (IS_ERR(arg.vma)) {
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err = PTR_ERR(arg.vma);
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pr_err("[%s] VMA instance failed: %d!\n", engine->name, err);
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goto out_obj;
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}
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n", engine->name, err);
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goto out_obj;
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}
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@ -1347,6 +1386,7 @@ static int __igt_reset_evict_vma(struct intel_gt *gt,
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err = i915_vma_pin(arg.vma, 0, 0, pin_flags);
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if (err) {
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i915_request_add(rq);
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pr_err("[%s] VMA pin failed: %d!\n", engine->name, err);
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goto out_obj;
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}
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@ -1363,8 +1403,14 @@ static int __igt_reset_evict_vma(struct intel_gt *gt,
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i915_vma_lock(arg.vma);
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err = i915_request_await_object(rq, arg.vma->obj,
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flags & EXEC_OBJECT_WRITE);
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if (err == 0)
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if (err == 0) {
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err = i915_vma_move_to_active(arg.vma, rq, flags);
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if (err)
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pr_err("[%s] Move to active failed: %d!\n", engine->name, err);
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} else {
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pr_err("[%s] Request await failed: %d!\n", engine->name, err);
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}
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i915_vma_unlock(arg.vma);
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if (flags & EXEC_OBJECT_NEEDS_FENCE)
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@ -1392,6 +1438,7 @@ static int __igt_reset_evict_vma(struct intel_gt *gt,
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tsk = kthread_run(fn, &arg, "igt/evict_vma");
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if (IS_ERR(tsk)) {
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err = PTR_ERR(tsk);
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pr_err("[%s] Thread spawn failed: %d!\n", engine->name, err);
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tsk = NULL;
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goto out_reset;
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}
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@ -1518,6 +1565,7 @@ static int igt_reset_queue(void *arg)
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prev = hang_create_request(&h, engine);
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if (IS_ERR(prev)) {
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err = PTR_ERR(prev);
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pr_err("[%s] Create 'prev' hang request failed: %d!\n", engine->name, err);
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goto fini;
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}
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@ -1532,6 +1580,7 @@ static int igt_reset_queue(void *arg)
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n", engine->name, err);
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goto fini;
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}
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@ -1619,8 +1668,10 @@ static int igt_reset_queue(void *arg)
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i915_request_put(prev);
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err = igt_flush_test(gt->i915);
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if (err)
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if (err) {
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pr_err("[%s] Flush failed: %d!\n", engine->name, err);
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break;
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}
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}
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fini:
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@ -1653,12 +1704,15 @@ static int igt_handle_error(void *arg)
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return 0;
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err = hang_init(&h, gt);
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if (err)
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if (err) {
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pr_err("[%s] Hang init failed: %d!\n", engine->name, err);
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return err;
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}
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n", engine->name, err);
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goto err_fini;
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}
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@ -1743,12 +1797,15 @@ static int igt_atomic_reset_engine(struct intel_engine_cs *engine,
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return err;
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err = hang_init(&h, engine->gt);
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if (err)
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if (err) {
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pr_err("[%s] Hang init failed: %d!\n", engine->name, err);
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return err;
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}
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rq = hang_create_request(&h, engine);
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if (IS_ERR(rq)) {
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err = PTR_ERR(rq);
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pr_err("[%s] Create hang request failed: %d!\n", engine->name, err);
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goto out;
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}
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