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List:       dri-patches
Subject:    [Dri-patches] [Bug #121848] Windowed rendering on G400 locks X serv, workaround included
From:       noreply () sourceforge ! net
Date:       2000-11-07 1:46:42
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Bug #121848, was updated on 2000-Nov-06 17:46
Here is a current snapshot of the bug.

Project: Direct Rendering Infrastructure
Category: MGA OpenGL
Status: Open
Resolution: None
Bug Group: X Server Hang/Core Dump
Priority: 5
Summary: Windowed rendering on G400 locks X serv, workaround included

Details: Hello. 

I'm currently using XFree86 4.0.1/DRI CVS from November 3, 2000.  I'm experiencing an \
easily reproducable lockup with windowed rendering on the G400 (using the MGA driver \
from the main trunk, not the Matrox driver) and have found a [possible] workaround.  \
I'm not entirely convinced that the problem lies within XF86 or DRI.  I have made \
cross-posts to the appropriate message boards of the offending program (XMMS).  The \
lockup occurs only when using the OpenGL Spectrum Analyzer plugin, and *only* with \
XMMS.  Other programs which use windows rendering (such as gears) appears to work \
quite well.  The plugin works properly under XF86 3.3.6 and Utah-GLX. 

To reproduce: 

Start an X session using the MGA server and DRI enabled. 
Start XMMS. 
Start the "OpenGL Spectrum Analyzer" plugin. 
(The plugin window will appear with no OpenGL content.  Approximately two seconds \
later, the system will lock with music continuing to play in the background.  I can \
ssh into the system and can kill the X server, but the screen and keyboard still \
remain locked with the frozen desktop). 

Workaround: 

Start an X session using the MGA server and DRI enabled. 
Start Quake III in full-screen mode. 
Exit Quake III. 
Start XMMS. 
Start the "OpenGL Spectrum Analyzer" plugin. (The OpenGL content is displayed the \
plugin functions properly). 

System Configuration: 
SuSE Linux 6.4 with kernel 2.4.0-test10-SMP on an i686 
Matrox G400 DH OEM with XFree86 4.0.1 CVS from November 3, 2000 
XMMS 1.2.3 

For detailed info, follow this link:
http://sourceforge.net/bugs/?func=detailbug&bug_id=121848&group_id=387


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