[compiz] ATI and GLX_EXT_texture_from_pixmap error

Ioannis Nousias s0238762 at sms.ed.ac.uk
Mon Apr 23 03:40:54 PDT 2007

I've recently compiled xorg, mesa and drm for my rv250 and I've faced 
few problems that I managed to solve. Since you have an rv200 (radeon 
7500), you should be using the radeon_dri.so. I don't have any 
experience with that driver but should be in good shape.

see if AIGLX is enabled:
grep AIGLX /var/log/Xorg.0.log

check what libraries compiz is using
ldd /usr/bin/compiz

particularly see for the libGL.so.1. Is it the one you are expecting?

when you used LIBGL_ALWAYS_INDIRECT=TRUE, you said the error message 
disappears but compiz didn't work. Did it produce any other error message ?

are you using SELinux? if yes open the selinux-troubleshooter and see if 
there are any warnings for the radeon_dri.so or libGL.so.1

you might want to see the end of this topic on the GLX_EXT_tfp extension 
as well (basically see if the extension appears in all 3 sections of the 
glxinfo output):

hope this helps

> Paul Wellner Bou wrote:
>> Hello,
>> I am trying to install and run compiz on my computer since a few 
>> months yet and there is no way. Today I checked out the latest git 
>> version and it does not work neither.
>> I have a ATI Radeon 7500 rev200 and I think thats the problem. I am 
>> using the open source radeon driver and xorg with AIGLX (on debian 
>> testing/unstable). DRI is enabled and working, glxgears, too. The 
>> output of glxinfo is good, too.
>> Starting compiz I get this errors:
>> $ compiz --replace gconf &
>> libGL warning: 3D driver claims to not support visual 0x4b
>> compiz: GLX_EXT_texture_from_pixmap is not supported by direct 
>> rendering context, trying indirect rendering context instead
>> compiz: GLX_EXT_texture_from_pixmap is missing
>> compiz: Failed to manage screen: 0
>> compiz: No manageable screens found on display :0.0
>> I get a Desktop environment without window manager and without any 
>> window decorations. I can switch the focus, because I have "focus 
>> follows mouse" but I can't bring windows to the foreground and I can 
>> not move the windows.
>> I spent hours searching for this error messages and I tried all I 
>> read. Running "LIBGL_ALWAYS_INDIRECT=TRUE compiz --replace gconf" 
>> does eliminate the error message, but compiz is not working, same 
>> result.
>> Does anybody know whats the problem with this error message? Where 
>> can I start to search for more information? Are there any libraries 
>> wrong? Is this an issue of the xorg radeon driver?
>> Thank you very much.
>> Regards,
>> Paul.
>> P.S.: my lspci output:
>> 02:00.0 VGA compatible controller: ATI Technologies Inc Radeon RV200 
>> QW [Radeon 7500] (prog-if 00 [VGA])
>>         Subsystem: ATI Technologies Inc Radeon 7500
>>         Flags: bus master, stepping, 66MHz, medium devsel, latency 
>> 32, IRQ 16
>>         Memory at d8000000 (32-bit, prefetchable) [size=128M]
>>         I/O ports at a000 [size=256]
>>         Memory at e1000000 (32-bit, non-prefetchable) [size=64K]
>>         [virtual] Expansion ROM at e0000000 [disabled] [size=128K]
>>         Capabilities: [58] AGP version 2.0
>>         Capabilities: [50] Power Management version 2
>> _______________________________________________
>> compiz mailing list
>> compiz at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/compiz

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