[Bug 94302] webgl conformance/glsl/bugs/temp-expressions-should-not-crash.html takes a very long time with Intel driver

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri Feb 26 08:36:30 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=94302

            Bug ID: 94302
           Summary: webgl
                    conformance/glsl/bugs/temp-expressions-should-not-cras
                    h.html takes a very long time with Intel driver
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: yang.gu at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Test devices:
NV Desktop - Desktop with NVidia GeForce GTX750 Ti
GEN Desktop - BDW desktop with Intel GEN GFX. Mesa is git ToT (11.3.0)
Pixel 2013 - IVB Chromebook, Mesa version 11.0.2
Acer C720 - HSW Chromebook, Mesa version 11.0.2
Acer C910 - BDW Chromebook, Mesa version 11.0.2

This case crashed on all Chromebooks, and passed on NV Desktop and GEN Desktop.
Though it can pass on GEN Desktop, it took quite a long time (7 minutes) to
finish. While on NV Desktop, it just took no more than 1 second.

Steps to reproduce:
1. Launch Chrome browser on Linux with GEN graphics, and open
https://www.khronos.org/registry/webgl/sdk/tests/conformance/glsl/bugs/temp-expressions-should-not-crash.html

2. The case will take a very long time to finish, and on my machine, it's about
7 minutes.

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