Radeon DRI Problems after latest X.org 7.3 update

[Adam K Kirchhoff]

On Tue, 2007-09-18 at 13:10 -0400, Coleman Kane wrote:
> Coleman Kane wrote:
> > Adam K Kirchhoff wrote:
> >> On Tue, 2007-09-18 at 12:02 -0400, Coleman Kane wrote:
> >>  
> >>> Adam K Kirchhoff wrote:
> >>>    
> >>>> I've seen two issues with 7.3.0, though neither are what you 
> >>>> described:
> >>>>
> >>>> 1) 
> >>>> http://lists.freebsd.org/pipermail/freebsd-x11/2007-September/005205.html 
> >>>> (which I also saw with xorg 7.2)
> >>>>
> >>>> 2) 
> >>>> http://lists.freebsd.org/pipermail/freebsd-x11/2007-September/005213.html 
> >>>>
> >>>>
> >>>> I'm wondering your just experiencing different symptoms for problem 
> >>>> number 1.
> >>>>         
> >>> Adam,
> >>>
> >>> I saw this, and thought that it might be related. It's really 
> >>> difficult to tell. In 7.2 (w/ ati driver 6.6.3) I was able to use 
> >>> compiz and almost all GLX stuff properly, direct or accelerated 
> >>> indirect mode. After I portupgraded to x.org 7.3 (server 1.4), all 
> >>> of my problems came up. I did build/install x11/xorg-server v1.4 
> >>> before x11-drivers/xf86-video-ati v6.7.192 (you can't do it any 
> >>> other way). I did try downgrading back to xf86-video-ati v6.6.3 to 
> >>> see if the old version would still work under the new server, and 
> >>> then my X session just dies any time DRI is accessed (old driver not 
> >>> compatible w/ new server?).
> >>>
> >>> I also played with it some more and have found that EXA is 
> >>> completely unusable for me. Under the new server/driver combination, 
> >>> if I am using EXA (and no AIGLX composting manager) then I get the 
> >>> problem where when a window is undrawn (moved, minimized, resized, 
> >>> or I switch workspaces), it leaves a shadow behind it that is 
> >>> slightly lighter than the surrounding area. I can drag a window 
> >>> around the screen to "paint" this effect around my desktop. This is 
> >>> all happening with metacity (which I "downgraded" to after compiz 
> >>> became completely unusable).
> >>>
> >>> I've got a Radeon Mobility M10 aka Radeon 9550, using the rv350 chip.
> >>>
> >>> I played with the GLX effects further and discovered that I can't 
> >>> produce the full-screen-flicker effect on a screen-shot...
> >>>     
> >>
> >> I'm not sure I can help you here.  I have not tried EXA since updating
> >> to Xorg 7.3.  My previous experiences with EXA gave me the impression
> >> that it was too slow to normal use.
> >>   
> > Same here.
> >> AIGLX works fine here after rebuilding the mesa drivers.  compiz runs
> >> flawlessly, in fact.  I did have an issue with my AGP x700 card locking
> >> up when running compiz, but commenting out various options in the driver
> >> section got it working again.  I haven't determined which option is
> >> causing the lockups.  I didn't have any such lockups with my PCIe x850.
> >> They are the only two cards I've tried 7.3 with (well, other than my
> >> x1300's with the avivo and now the radeonhd drivers, but I won't bug the
> >> list with those problems).
> >>   
> > So you've rebuilt and reinstalled graphics/dri, graphics/libGL, 
> > graphics/libGLU, graphics/libglut ? Regarding the radeonhd drivers, 
> > what sort of experience are you finding with those? Does that driver 
> > only support r500+ ?
> >> I can try EXA to see if I get the same problems, but I won't be able to
> >> restart X for a while, unfortunately.
> >>   
> > Don't worry, I too gave up on EXA long ago because of performance and 
> > stability issues. I am really interested in getting it working with 
> > XAA. The server just crashes when DRI is accessed using EXA mode.
> >> Adam
> >>
> >>   
> > -- 
> > Coleman Kane
> >
> New information for you....
> 
> I just updated to the latest xf86-video-ati driver from 
> git://anongit.freedesktop.org and most of my trouble seems to be fixed 
> now. Compiz works pretty well and all the effects look nice once again 
> (without trashing the screen).
> 
> I have noticed one thing though, when I run glxgears, I get a weird 
> effect. When the glxgears window is put behind another window, the gears 
> are still drawn on the top of the display. Also, if I drag it around, 
> the gears remain rendering at the previous location until the window is 
> dropped, at which point the gears are not cleaned up from the previous 
> location (last frame is frozen there) until I move something else around 
> in that region to trigger the redraw.
> 
> I wonder if this might be fixed by your suggestion of getting the latest 
> Mesa from git.

Are you doing this while running compiz?

If so, it's a limitation in the DRI driver...  They don't support direct
rendering to redirected windows:

http://dri.freedesktop.org/wiki/DirectRenderingToRedirectedWindows
https://bugs.freedesktop.org/show_bug.cgi?id=8732

Adam