[Bug 82642] [IVB/BYT/BDW/BSW]Piglit spec_glsl-1.50_execution_texelFetchOffset_gs-texelFetch-isampler1DArray sporadically causes GPU hang

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sun Aug 31 02:05:43 PDT 2014


Kenneth Graunke <kenneth at whitecape.org> changed:

           What    |Removed                     |Added
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
           Assignee|idr at freedesktop.org         |jljusten at gmail.com

--- Comment #1 from Kenneth Graunke <kenneth at whitecape.org> ---
I suspect this was fixed by:

commit c860a379d2fa09da1711591b6aef4a885d224ea0
Author: Jordan Justen <jordan.l.justen at intel.com>
Date:   Thu Jul 31 00:16:19 2014 -0700

    i965/miptree: Layout 1D Array as 2D Array with height of 1

    1D array miptrees were being laid out as a 2D texture with 1 slice.
    This happened due to the mesa core storing the 1D array slice count in
    the height field. On Intel hardware, we want to create a 2D array with
    a height of 1 for the 1D array case.

    Fixes assertion failure in piglit (gen6, gen8):
    spec/glsl-1.30/execution/tex-miplevel-selection textureOffset 1DArrayShadow

    In release builds of Mesa, this test was observed to cause a GPU hang
    on gen8.

    Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
    Cc: "10.2" <mesa-stable at lists.freedesktop.org>
    Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81450
    Tested-by: Ben Widawsky <ben at bwidawsk.net>
    Reviewed-by: Chris Forbes <chrisf at ijw.co.nz>

If not, please reopen.  Thanks!

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