Re: another compiz question

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Author: Matt Graham
Date:  
To: plug-discuss
Subject: Re: another compiz question
After a long battle with technology, Cary Mabe wrote:
> cary@cary-desktop:~$ lspci | grep VGA
> 01:00.0 VGA compatible controller: Silicon Integrated Systems [SiS]
> 661/741/760 PCI/AGP or 662/761Gx PCIE VGA Display Adapter


Oh wow. An SiS card? I don't know for sure whether those things have any
accelerated 3D available at all. The vast majority of stuff about compiz
I've seen online talks about nVidia, ATi, and Intel cards. Um... the ebuild
for xf86-video-sis says that it uses the "dri" USE flag. So it might work if
you do "modprobe agpgart && modprobe sis" before starting X, and you have the
appropriate Driver specified in xorg.conf .

> cary@cary-desktop:~$ glxinfo |head
> name of display: :20.0


That's a little weird too. Usually it's :0.0 .

> direct rendering: No (If you want to find out why, try setting
> LIBGL_DEBUG=verbose)


The kernel module that does DRI for the video chipset is either not loaded or
nonexistent. Or xorg.conf doesn't include Load "glx" \n Load "dri" \n
Load "drm" in the Module section. Hard to say what's really going on. Try
loading the modules, making sure that xorg.conf is loading stuff, and
restarting X. And if *that* doesn't work, it's time to get busy
with /var/log/Xorg.0.log and possibly dmesg....

--
If you go hit yourself with a plank, it would make a freely available
Unix-like operating system to everyone.
--MegaHAL, trained on RMS and the BOFH
There is no Darkness in Eternity/But only Light too dim for us to see
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