[Bug 29311] New: [r300g]: Compiz crashes when trying to start it with latest mesa master.

[Bug 29311] New: [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

           Summary: [r300g]: Compiz crashes when trying to start it with
                    latest mesa master.
           Product: DRI
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: oreaus@gmail.com


Created an attachment (id=37448)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37448)
compiz crash backtrace

I bisected and got this:

ba2cc3b8e6ad161181b67fd2575c6bc768584d23 is the first bad commit
commit ba2cc3b8e6ad161181b67fd2575c6bc768584d23
Author: Brian Paul <brianp@vmware.com>
Date:   Thu Jul 29 13:49:21 2010 -0600

    gallium: implement bounds checking for constant buffers

    Plumb the constant buffer sizes down into the tgsi interpreter where
    we can do bounds checking.  Optional debug code warns upon out-of-bounds
    reading.  Plus add a few other assertions in the TGSI interpreter.

:040000 040000 7141c078038120e29bab2e275fb935f20731c0ff
e2f4d072421db8d000922127dc1f707145b73c61 M    src

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[Bug 29311] [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

Scott Moreau <oreaus@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          QAContact|                            |brianp@vmware.com
                 CC|                            |oreaus@gmail.com

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[Bug 29311] [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

Marek Olšák <maraeo@gmail.com> changed:

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

--- Comment #1 from Marek Olšák <maraeo@gmail.com> 2010-07-31 22:17:08 PDT ---
The thing is the Draw module in Gallium has 3 codepaths:
- Slow interpreter
- SSE code generation (broken)
- LLVM

Guess what, yeah, you use the broken one.

The SSE codepath will most probably be dropped, so I am closing this bug as
WONTFIX.

See here:
http://lists.freedesktop.org/archives/mesa-dev/2010-July/001658.html


Now you have two options to fix your setup:
1) Compile Mesa with --enable-gallium-llvm to get the LLVM codepath.
2) Set the environment variable GALLIUM_NOSSE=1 to use the slow interpreter.

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[Bug 29311] [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

Marek Olšák <maraeo@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WONTFIX                     |FIXED

--- Comment #2 from Marek Olšák <maraeo@gmail.com> 2010-08-02 08:48:49 PDT ---
Fixed by commit aef4500ca4ae9e5bc57560c6f9a32d9ad892975b.

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[Bug 29311] [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

--- Comment #3 from Scott Moreau <oreaus@gmail.com> 2010-08-02 16:49:08 PDT ---
(In reply to comment #2)
> Fixed by commit aef4500ca4ae9e5bc57560c6f9a32d9ad892975b.

With latest mesa master the same symptoms persist here.

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[Bug 29311] [r300g]: Compiz crashes when trying to start it with latest mesa master.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=29311

--- Comment #4 from Scott Moreau <oreaus@gmail.com> 2010-08-02 19:28:43 PDT ---
(In reply to comment #3)
> (In reply to comment #2)
> > Fixed by commit aef4500ca4ae9e5bc57560c6f9a32d9ad892975b.
> 
> With latest mesa master the same symptoms persist here.

DISREGARD this comment. It is indeed fixed (bug report # mixup)

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