[Bug 40062] New: in etqw the strogg radar is black

[Bug 40062] New: in etqw the strogg radar is black

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

           Summary: in etqw the strogg radar is black
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: aaalmosss@gmail.com


Created an attachment (id=50186)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50186)
stderr with RADEON_DEBUG=fp

With shader detail=high the strogg radar becomes completely black. I think this
corresponds to the two compiler errors (log attached).

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

almos <aaalmosss@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|in etqw the strogg radar is |in etqw the strogg radar is
                   |black                       |black (regression)

--- Comment #1 from almos <aaalmosss@gmail.com> 2011-08-13 10:46:18 PDT ---
I forgot to mention that this used to work couple of months ago.

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2011-08-13 11:51:23 PDT ---
Can you bisect?

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

Ian Romanick <idr@freedesktop.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #50186|text/x-log                  |text/plain
          mime type|                            |

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[Bug 40062] in etqw the strogg radar is black (regression)

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #3 from almos <aaalmosss@gmail.com> 2011-08-20 13:13:40 PDT ---
(In reply to comment #2)
> Can you bisect?

217cd216eac65983004ca77a9e49dbfad1b720b6 is the first bad commit
commit 217cd216eac65983004ca77a9e49dbfad1b720b6
Author: Tom Stellard <tstellar@gmail.com>
Date:   Tue May 17 18:51:20 2011 -0700

    r300/compiler: Fix bug in rc_get_variables()

    Variables that write to the same source select need to pe paired
    together otherwise the register allocator might fail.

    https://bugs.freedesktop.org/show_bug.cgi?id=36753

:040000 040000 a1d3852986919d6ae3449a06a8b3dc43afe90689
2a8531a9541ae918d70bff7911025fed709e7b6b M    src

I think this issue is duplicate of #36939, despite looking entirely different,
bisect found the same commit.

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #4 from Tom Stellard <tstellar@gmail.com> 2011-09-16 20:19:38 PDT ---
Created an attachment (id=51277)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51277
 Review: https://bugs.freedesktop.org/review?bug=40062&attachment=51277

Verbose patch

Can you apply this patch and post the output of RADEON_DEBUG=fp again?

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #5 from almos <aaalmosss@gmail.com> 2011-09-17 03:40:09 PDT ---
Created an attachment (id=51284)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51284)
stderr_wrong.txt

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #6 from almos <aaalmosss@gmail.com> 2011-09-17 03:42:52 PDT ---
Created an attachment (id=51285)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=51285)
stderr_good.txt.gz

I applied the reverse of commit 217cd216eac65983004ca77a9e49dbfad1b720b6 to the
compiler, and recorded stderr again with correct rendering.

And this time I didn't forget to compress it before uploading.

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #7 from Tom Stellard <tstellar@gmail.com> 2011-09-17 13:32:58 PDT ---
Created an attachment (id=51295)
 View: https://bugs.freedesktop.org/attachment.cgi?id=51295
 Review: https://bugs.freedesktop.org/review?bug=40062&attachment=51295

Possible Fix

Can you try this patch?  If it doesn't work, can you post the output again?

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

--- Comment #8 from almos <aaalmosss@gmail.com> 2011-09-18 01:52:26 PDT ---
The patch fixed this one and #36939. Thanks.

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[Bug 40062] in etqw the strogg radar is black (regression)

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https://bugs.freedesktop.org/show_bug.cgi?id=40062

Tom Stellard <tstellar@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #9 from Tom Stellard <tstellar@gmail.com> 2011-09-18 18:04:06 PDT ---
Fixed in git commit 2d1004d9aa719bb93a4f057b0eefe88f23b44e44

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