[Bug 33348] New: Display corruption when activating desktop effects (compositing) in kwin...

[Bug 33348] New: Display corruption when activating desktop effects (compositing) in kwin...

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https://bugs.freedesktop.org/show_bug.cgi?id=33348

           Summary: Display corruption when activating desktop effects
                    (compositing) in kwin...
           Product: Mesa
           Version: 7.10
          Platform: x86-64 (AMD64)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: adawit@kde.org


This bug report is the same as the one I opened downstream against KWin. See

https://bugs.kde.org/show_bug.cgi?id=262824

That bug report contains all the information about my setup. The only thing I
wanted to add was the software I have on my system, an ArchLinux box:

ati-dri 7.9.0.git20101207-2
dri2proto 2.3-1
kernel26 2.6.36.3-1
libdrm 2.4.22-3
libgl 7.9.0.git20101207-2
mesa 7.9.0.git20101207-2
xf86-video-ati 6.13.2-2
xf86driproto 2.1.1-1
xorg-server 1.9.2-2
xorg-server-common 1.9.2-2
xorg-server-devel 1.9.2-2

I also tested the newer versions of the above packages with the same result:

ati-dri 7.10-1
dri2proto 2.3-1
kernel26 2.6.37-1
libdrm 2.4.23-1
libgl 7.10-1
mesa 7.10-1
xf86-video-ati 6.13.2-2
xf86driproto 2.1.1-1
xorg-server 1.9.3.901-1
xorg-server-common 1.9.3.901-1
xorg-server-devel 1.9.3.901-1

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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--- Comment #1 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:28:10 PST ---
Created an attachment (id=42999)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=42999)
glewinfo output

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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https://bugs.freedesktop.org/show_bug.cgi?id=33348

--- Comment #2 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:28:41 PST ---
Created an attachment (id=43000)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43000)
visualinfo output

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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--- Comment #3 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:29:24 PST ---
Created an attachment (id=43002)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43002)
kernel drm dmesg output

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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--- Comment #4 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:29:54 PST ---
Created an attachment (id=43004)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43004)
lspci -vv output

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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--- Comment #5 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:31:26 PST ---
Created an attachment (id=43005)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43005)
Xorg log file

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--- Comment #6 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:32:18 PST ---
Created an attachment (id=43006)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43006)
screenshot after activating kwin desktop effects...

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--- Comment #7 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:34:06 PST ---
Created an attachment (id=43007)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43007)
screenshot of asteroids3D game w/o kwin desktop effects

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[Bug 33348] Display corruption when activating desktop effects (compositing) in kwin...

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--- Comment #8 from Dawit Alemayehu <adawit@kde.org> 2011-02-06 11:39:52 PST ---
Machine Info
==========
2.6.37-ARCH #1 SMP PREEMPT Sat Jan 29 20:00:33 CET 2011 x86_64 Intel(R)
Pentium(R) D CPU 3.20GHz GenuineIntel GNU/Linux

Packages installed 
==============
kernel26 2.6.37-5

ati-dri 7.10-1
dri2proto 2.3-1
freeglut 2.6.0-1
glproto 1.4.12-1
libgl 7.10-1
mesa 7.10-1
xf86driproto 2.1.1-1
xf86-video-ati 6.14.0-1
xorg-xdriinfo 1.0.4-1
xorg-server 1.9.4-1
xorg-server-common 1.9.4-1
xorg-server-devel 1.9.4-1

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[Bug 33348] [r300g] Display corruption (artifacts) when using 3D graphics...

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https://bugs.freedesktop.org/show_bug.cgi?id=33348

Dawit Alemayehu <adawit@kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Display corruption when     |[r300g] Display corruption
                   |activating desktop effects  |(artifacts) when using  3D
                   |(compositing) in kwin...    |graphics...

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--- Comment #9 from Marek Olšák <maraeo@gmail.com> 2011-02-10 18:22:37 PST ---
Does the problem go away with the Mesa master branch?

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[Bug 33348] [r300g] Display corruption (artifacts) when using 3D graphics...

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--- Comment #10 from Dawit Alemayehu <adawit@kde.org> 2011-02-11 13:39:58 PST ---
(In reply to comment #9)
> Does the problem go away with the Mesa master branch?

Nope. It makes no difference. The problem has actually gotten worse since I got
the updated packages I listed comment #8 vs the original report. And the issue
stays the same with Mesa master branch from today.

ati-dri-git 20110211-1
dri2proto-git 20110211-1
glproto-git 20110211-1
libdrm-git 20110211-1
libgl-git 20110211-1
mesa-git 20110211-1

Anyhow, attempting to enable any sort of compositing (aka desktop effects) in
kwin results in a completely black window ontop which are some rectangular
colored  (green/red) artifacts. The 3D game is about as usable as it was in the
attached screenshot.

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Robin Wheeler <robin-linux@hotmail.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |robin-linux@hotmail.co.uk

--- Comment #11 from Robin Wheeler <robin-linux@hotmail.co.uk> 2011-02-13 05:38:11 PST ---
This shows as "tearing"? on web pages, it appears to be the gallium driver not
working well with Compiz. If I disable the gallium driver in Xorg.conf the
tearing stops.

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--- Comment #12 from Dawit Alemayehu <adawit@kde.org> 2011-02-23 23:40:31 PST ---
Could the fact that the kernel drm module seems to recognize my card
incorrectly as an RV380 card, X600 Radeon card, have anything to do with my
issues ?

>>> [drm] initializing kernel modesetting (RV380 0x1002:0x5B60)

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--- Comment #13 from Alex Deucher <agd5f@yahoo.com> 2011-02-23 23:55:28 PST ---
(In reply to comment #12)
> Could the fact that the kernel drm module seems to recognize my card
> incorrectly as an RV380 card, X600 Radeon card, have anything to do with my
> issues ?
> 
> >>> [drm] initializing kernel modesetting (RV380 0x1002:0x5B60)

No, that's fine.

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--- Comment #14 from Dawit Alemayehu <adawit@kde.org> 2011-02-24 08:35:48 PST ---
Created an attachment (id=43757)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43757)
screenshot of activating compositing in kwin

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Dawit Alemayehu <adawit@kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
  Attachment #43757|screenshot of activating    |screenshot of activating
        description|compositing in kwin         |compositing in kwin II

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--- Comment #15 from Alex Deucher <agd5f@yahoo.com> 2011-02-24 08:52:26 PST ---
Does using Xv fix the kwin issues?  A user reported on IRC that using Xv seems
to fix the GL issues he was having which implies we are missing some state in
the 3D driver that the 2D driver sets.

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--- Comment #16 from Dawit Alemayehu <adawit@kde.org> 2011-02-24 12:13:29 PST ---
Created an attachment (id=43770)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=43770)
xvinfo output

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--- Comment #17 from Dawit Alemayehu <adawit@kde.org> 2011-02-24 12:13:43 PST ---
(In reply to comment #15)
> Does using Xv fix the kwin issues?  A user reported on IRC that using Xv seems
> to fix the GL issues he was having which implies we are missing some state in
> the 3D driver that the 2D driver sets.

Well Xv is most definitely enabled on my system, but I fail to see how that
helps with the kwin composting issue. Perhaps, I misunderstood your question ?
I have attached the output of the xvinfo just the same. If that was what you
were suggesting, then no it does not help with the kwin issues. 

On the other hand,  if you were asking whether or not changing the compositing
mode in kwin from "OpenGL" to "XRender" helps then the answer would yes for the
most part. Unfortunately many desktop effects won't work in that mode. Anyhow,
I rather doubt that was what you wanted to know.

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--- Comment #18 from Alex Deucher <agd5f@yahoo.com> 2011-02-24 12:44:21 PST ---
(In reply to comment #17)
> 
> Well Xv is most definitely enabled on my system, but I fail to see how that
> helps with the kwin composting issue. Perhaps, I misunderstood your question ?
> I have attached the output of the xvinfo just the same. If that was what you
> were suggesting, then no it does not help with the kwin issues. 

Use Xv; playback a video using Xv.  Xv uses the 3D engine just like OpenGL.  If
the 3D driver is not properly emitting some 3D state, but Xv is, OpenGL should
work properly after you've used Xv since the missing state will now be
programmed properly.  xvinfo is not enough, you actually have to render some
video.

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--- Comment #19 from Dawit Alemayehu <adawit@kde.org> 2011-02-24 13:27:54 PST ---
(In reply to comment #18)
> (In reply to comment #17)
> > 
> > Well Xv is most definitely enabled on my system, but I fail to see how that
> > helps with the kwin composting issue. Perhaps, I misunderstood your question ?
> > I have attached the output of the xvinfo just the same. If that was what you
> > were suggesting, then no it does not help with the kwin issues. 
> 
> Use Xv; playback a video using Xv.  Xv uses the 3D engine just like OpenGL.  If
> the 3D driver is not properly emitting some 3D state, but Xv is, OpenGL should
> work properly after you've used Xv since the missing state will now be
> programmed properly.  xvinfo is not enough, you actually have to render some
> video.

Okay, when I do that then there is a very minor improvement. The artifacts
shown in the screen shots above are no longer there, but I still get a
completely dark screen with only the mouse pointer showing...

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--- Comment #20 from Dawit Alemayehu <adawit@kde.org> 2011-06-17 06:47:04 PDT ---
Problem is still there with the following updated packages:

libgl 7.10.3-1
ati-dri 7.10.3-1
libdrm 2.4.25-1
xf86-video-ati 6.14.1-1
xorg-server-common 1.10.2-1
xorg-server-utils 7.6-2
xorg-server 1.10.2-1
xf86driproto 2.1.1-1

Is there anyway to debug such that I can try ? I do not mind getting down and
dirty if it means getting this issue resolved. OpenGL support has not worked on
my machine ever since the ati driver was switched to the Gallium version.

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--- Comment #21 from Robin Wheeler <robin-linux@hotmail.co.uk> 2011-06-17 08:26:50 PDT ---
I'm on ubuntu 11.04 now and unity is unusable. If I boot straight to it but on
my dual boot system if I boot windows xp then simply restart the laptop unity
works just fine except with "tearing" in web browser. So Yes you may be right
some setup state is missing in the driver. But that still will not I believe
fix the "tearing".

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--- Comment #22 from Alex Deucher <agd5f@yahoo.com> 2011-06-17 09:41:13 PDT ---
Maybe you are having interrupt problems.  run:
cat /proc/interrupts
and see if you see the interrupts increasing for radeon.  You might try the
following options on the kernel command line in grub:
pci=nomsi
irqpoll

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Robin Wheeler <robin-linux@hotmail.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Platform|x86-64 (AMD64)              |x86 (IA32)

--- Comment #23 from Robin Wheeler <robin-linux@hotmail.co.uk> 2011-06-17 15:35:45 PDT ---
Added both your options and looking at the cat command can see no difference
and in fact cold boot still results in an unusable unity. A windows restart is
still OK.

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--- Comment #24 from Dawit Alemayehu <adawit@kde.org> 2011-06-19 12:07:34 PDT ---
(In reply to comment #23)
> Added both your options and looking at the cat command can see no difference
> and in fact cold boot still results in an unusable unity. A windows restart is
> still OK.

I get the same display corruption with those options as well set as well. It
does not matter if you set both or one at a time. For me the corruption is now
better than what it was a couple of revisions back, but it is still unusable.

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Dawit Alemayehu <adawit@kde.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |FIXED

--- Comment #25 from Dawit Alemayehu <adawit@kde.org> 2011-08-06 12:19:07 PDT ---
Seems to be finally fixed in Mesa 7.11. Dunno what the cause was, but it works
fine for me on the hardware and driver I reported with the shinny new Mesa
7.11. Big thanks for whomever fixed this problem.

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