[Bug 29393] New: R600: libGL crashes using Lwjgl

[Bug 29393] New: R600: libGL crashes using Lwjgl

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https://bugs.freedesktop.org/show_bug.cgi?id=29393

           Summary: R600: libGL crashes using Lwjgl
           Product: Mesa
           Version: git
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/R600
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: jonescaseyb@gmail.com


Created an attachment (id=37560)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=37560)
Full Java error log

Lwjgl is a Java binding to OpenGL.  Any Lwjgl application or demo crashes
libGL.so and forces the Java VM to abort.

This is the output from Java:

Could not locate symbol glXCreateContextAttribsARB
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xb00434a8, pid=19189, tid=2954230640
#
# JRE version: 6.0_21-b06
# Java VM: Java HotSpot(TM) Server VM (17.0-b16 mixed mode linux-x86 )
# Problematic frame:
# C  [libGL.so.1+0x424a8]
#
# An error report file with more information is saved as:
# /root/hs_err_pid19189.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.
#

I'm attaching the mentioned hs_err_pid19189.log

I'm using the latest git version of Mesa with a Radeon 4850.  KMS is enabled. 
I'm using the Sun/Oracle JDK, not OpenJDK or IcedTea.  I've confirmed that this
works on Mesa 7.8.2.  It worked on earlier version of 7.9, but sometime in the
last few weeks it stopped working.  I've been working on my own Lwjgl
application, so when I ran into this error I downgraded Mesa to 7.8, but I
still have 7.9 in a chroot which I can do further testing on.

There are demo applications here:
http://lwjgl.org/demos.php

I used GLGears.
To run a jnlp file from the command line:
javaws test.opengl.Gears

Thanks.

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[Bug 29393] R600: libGL crashes using Lwjgl

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https://bugs.freedesktop.org/show_bug.cgi?id=29393

--- Comment #1 from Casey Jones <jonescaseyb@gmail.com> 2010-08-03 18:07:16 PDT ---
I also tried r600g in my chroot just for kicks, and it crashes as well.  Plain
old glxgears worked, but the Lwjgl version does not.

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[Bug 29393] R600: libGL crashes using Lwjgl

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https://bugs.freedesktop.org/show_bug.cgi?id=29393

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2010-08-03 18:17:09 PDT ---
Can you bisect mesa to see what commit broke it?

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[Bug 29393] R600: libGL crashes using Lwjgl

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https://bugs.freedesktop.org/show_bug.cgi?id=29393

--- Comment #3 from Casey Jones <jonescaseyb@gmail.com> 2010-08-03 19:26:51 PDT ---
This is what I got.

f8d81c31cee30821da3aab331a57f484f6a07a5d is the first bad commit
commit f8d81c31cee30821da3aab331a57f484f6a07a5d
Author: Nick Bowler <nbowler@draconx.ca>
Date:   Wed Jul 14 12:01:49 2010 -0400

    dri2: Track event mask in client code.

    When direct rendering is being used, DRI2 BufferSwapComplete events are
    sent unconditionally to clients, even if they haven't been requested.
    This causes error messages to be printed by every freeglut application
    of the form

      freeglut (./gears): Unknown X event type: 104

    and might confuse other clients.

    This is a fixed up version of the patch by Jesse Barnes, which drops
    BufferSwapComplete events if they are not requested by clients.

    Fixes fdo bug 27962.

    Signed-off-by: Nick Bowler <nbowler@draconx.ca>
    Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>

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[Bug 29393] R600: libGL crashes using Lwjgl

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https://bugs.freedesktop.org/show_bug.cgi?id=29393

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|Drivers/DRI/R600            |GLX
         AssignedTo|dri-devel@lists.freedesktop |mesa-dev@lists.freedesktop.
                   |.org                        |org
                 CC|                            |nbowler@draconx.ca

--- Comment #4 from Alex Deucher <agd5f@yahoo.com> 2010-08-03 21:21:23 PDT ---
This looks like a glx bug rather than a driver bug.

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