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Issue 705482 link

Starred by 3 users
Status: Duplicate
Merged: issue 705156
Owner:
█ kbr@chromium.org
OOO until 2019-01-24
Closed: Mar 2017
Cc:
█ reed@chromium.org
█ kbr@chromium.org
machenb...@chromium.org
█ phajdan.jr@chromium.org
█ bsalomon@chromium.org
█ jcgregorio@chromium.org
chrome-trooper-bugs@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 1
Type: Bug



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Trybot mac_optional_gpu_tests_rel is failing tests all the time

Project Member Reported by hablich@chromium.org, Mar 27 2017 
https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_optional_gpu_tests_rel/builds/8166 is repeatably failing 

* gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_webgl_canvas_tex_2d_r11f_g11f_b10f_rgb_unsigned_int_10f_11f_11f_rev
* gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_webgl_canvas_tex_2d_r16f_red_half_float
* gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_webgl_canvas_tex_2d_rgb5_a1_rgba_unsigned_byte
* gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_webgl_canvas_tex_2d_srgb8_rgb_unsigned_byte
* gpu_tests.webgl_conformance_integration_test.WebGLConformanceIntegrationTest.WebglConformance_conformance2_textures_webgl_canvas_tex_3d_r32f_red_float

Also reproduces on V8's own WebGl bots with differing but related tests: 

https://build.chromium.org/p/client.v8.fyi/builders/Mac%20Release%20%28Intel%29/builds/989

Comment 1 by kbr@chromium.org, Mar 27 2017

Cc: jcgregorio@chromium.org reed@chromium.org bsalomon@chromium.org
Components: Internals>Skia
Owner: kbr@chromium.org
Status: Assigned (was: Untriaged)
It looks like it was broken at this build:
https://build.chromium.org/p/chromium.gpu.fyi/builders/Mac%20Release%20%28Intel%29/builds/1479

There are a few suspect CLs in the blame list in particular this Skia roll:
https://chromium-review.googlesource.com/c/458964/

We need to add the optional GPU bots to the set of bots run with Skia rolls. However, first we need to figure out the breakage and revert it.

Comment 2 by sunn...@chromium.org, Mar 27 2017 

Duplicate of  bug 705156 ?

Comment 3 by kbr@chromium.org, Mar 27 2017

Mergedinto: 705156
Status: Duplicate (was: Assigned)
Yes, will duplicate into that one.

Comment 4 by machenb...@chromium.org, Mar 28 2017 

Why does https://build.chromium.org/p/tryserver.chromium.mac/builders/mac_optional_gpu_tests_rel/builds/8166 say in step 72:
TESTS FAILED; retries without patch disabled (disabled in recipes) 

Why are retries without patch disabled? Is that temporary or is that a missing feature for gpu tests?

Without retries, any (unrelated) continuous failures on CI will block CQ, like it happened now.

Comment 5 by machenb...@chromium.org, Mar 28 2017

Cc: phajdan.jr@chromium.org
+phajdan, see last comment

Comment 6 by kbr@chromium.org, Mar 28 2017 

machenbach@: it's a missing feature because of limitations in the GPU tests' harness (more specifically, the isolated script test step). We disabled the retries without the patch because they would be tremendously expensive on this tryserver.

Please feel free to file an RFE and assign it to me about this. But on the whole we aim to avoid situations where these tests would fail because of upstream breakage. This outage happened for a specific reason (because Skia wasn't running these tests in their autoroller) and that has been corrected.

Comment 7 by machenb...@chromium.org, Mar 29 2017 

Thanks!
►

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