[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

            Bug ID: 104331
           Summary: [r600g] Ogre demo "TutorialUAV01" crash at
                    r600_decompress_color_images
           Product: Mesa
           Version: git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: megwattt@gmail.com
        QA Contact: dri-devel@lists.freedesktop.org

Created attachment 136265
  --> https://bugs.freedesktop.org/attachment.cgi?id=136265&action=edit
Apitrace of the demo

This demo requires GLSL 430, so it will only works with mesa git on evergreen.
I have this crash with REDWOOD and JUNIPER chips. 

The demo works fine on others drivers (tested on radeonsi and intel).

I've got this while debugging with GDB:
"Thread 1 "Sample_Tutorial" received signal SIGSEGV, Segmentation fault.
r600_decompress_color_images (rctx=rctx@entry=0x7c82b0, 
    images=images@entry=0x7c92b0) at r600_blit.c:420
420                     r600_blit_decompress_color(&rctx->b.b, tex,"

I've attached an apitrace. The crash occurs at frame 0, call 2983.

The other Ogre UAV demo (TutorialUAV02), does not have this problem.

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[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

Dave Airlie <airlied@freedesktop.org> changed:

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

--- Comment #1 from Dave Airlie <airlied@freedesktop.org> ---
The crash should be fixed in master now.

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[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

--- Comment #2 from MWATTT <megwattt@gmail.com> ---
I can confirm that the segfault is gone.

However, the demo does not render properly(I don't know if I should make
another report for that).

I'll upload an other trace, as the first one was generated on PITCAIRN and has
alignment issue when replaying it on REDWOOD.


The problem seems to be at Frame 0, call 2875: garbage is generated on attached
texture on REDWOOD and render fine on PITCAIRN.

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[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

MWATTT <megwattt@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
 Attachment #136265|0                           |1
        is obsolete|                            |

--- Comment #3 from MWATTT <megwattt@gmail.com> ---
Created attachment 136302
  --> https://bugs.freedesktop.org/attachment.cgi?id=136302&action=edit
Apitrace of the demo (generated on REDWOOD)

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[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

--- Comment #4 from MWATTT <megwattt@gmail.com> ---
Created attachment 136303
  --> https://bugs.freedesktop.org/attachment.cgi?id=136303&action=edit
Right texture

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[Bug 104331] [r600g] Ogre demo "TutorialUAV01" crash at r600_decompress_color_images

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https://bugs.freedesktop.org/show_bug.cgi?id=104331

--- Comment #5 from Michel Dänzer <michel@daenzer.net> ---
(In reply to MWATTT from comment #2)
> However, the demo does not render properly(I don't know if I should make
> another report for that).

Please do.

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