[Bug 100871] gles cts hangs mesa indefinitely

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100871

            Bug ID: 100871
           Summary: gles cts hangs mesa indefinitely
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: highest
         Component: Drivers/DRI/i965
          Assignee: samuel.pitoiset at gmail.com
          Reporter: mark.a.janes at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org
                CC: nhaehnle at gmail.com, t_arceri at yahoo.com.au

Bisected to:
75a31a20af269c047661af33e28f793269537b79
Author:     Samuel Pitoiset <samuel.pitoiset at gmail.com>

glsl: set vector_elements to 1 for samplers

I don't see any reasons why vector_elements is 1 for images and
0 for samplers. This increases consistency and allows to clean
up some code a bit.

This will also help for ARB_bindless_texture.

No piglit regressions with RadeonSI.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset at gmail.com>
Reviewed-by: Timothy Arceri <tarceri at itsqueeze.com>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle at amd.com>


---------------------------------------------------------

 With this commit, a wide range of intel hardware began hanging during
 the GLES CTS, with dmesg errors like:

 [25488.739167] traps: glcts[15106] general protection ip:7fdac6484ba5
sp:7ffdcda85a20 error:0

 Machines that did complete the cts, reported hundreds of errors like:

 *** Error in `/tmp/build_root/m64/bin/es/cts/glcts': malloc(): memory
     corruption: 0x0000562c7503b270 ***


There hasn't been a patch this broken pushed to mesa in the past 2 years.

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