* [Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend while X11/XRender has graphical glitches
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darkbasic <darkbasic@linuxsystems.it> changed:
What |Removed |Added
----------------------------------------------------------------------------
Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
| |.org
QA Contact|xorg-team@lists.x.org |
Product|xorg |DRI
Version|git |DRI CVS
Component|Driver/Radeon |DRM/Radeon
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--- Comment #5 from darkbasic <darkbasic@linuxsystems.it> ---
Card is AMD Radeon HD 7950. The graphical glitches with the X11/XRender backend
seems to be a known issue (https://bugs.freedesktop.org/show_bug.cgi?id=64297)
so I modified the bug to track just the issues with the Raster backend.
Actually the KDE overall desktop experience is so bad that I had to switch back
to the integrated Ivy Bridge graphic :(
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darkbasic <darkbasic@linuxsystems.it> changed:
What |Removed |Added
----------------------------------------------------------------------------
Summary|[radeonsi] KDE 4.11 is |[radeonsi] KDE 4.11 is
|EXTREMELY slow with Raster |EXTREMELY slow with Raster
|QT backend while |QT backend
|X11/XRender has graphical |
|glitches |
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--- Comment #6 from Denis M. (Phr33d0m) <god@politeia.in> ---
Created attachment 86376
--> https://bugs.freedesktop.org/attachment.cgi?id=86376&action=edit
color-corruption.png
I also have this color corruption all over the place with Native/OpenGL backend
and Glamor. As well as huge slowness/laggyness, glxgears at:
$ ▶ glxgears
Running synchronized to the vertical refresh. The framerate should be
approximately the same as the monitor refresh rate.
237 frames in 5.0 seconds = 47.022 FPS
250 frames in 5.0 seconds = 49.853 FPS
234 frames in 5.0 seconds = 46.726 FPS
253 frames in 5.0 seconds = 50.592 FPS
234 frames in 5.0 seconds = 46.440 FPS
256 frames in 5.0 seconds = 51.165 FPS
236 frames in 5.0 seconds = 46.952 FPS
On Radeon HD7870.
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--- Comment #7 from darkbasic <darkbasic@linuxsystems.it> ---
Yes that's the same corruption I have with the native backend. I suggest you to
have a look at top: native isn't slow, but aftware a few minutes the X process
starts eating the CPU ,that's the reason ;)
On the contrary Raster in EXTREMELY slow since the very first moment, but at
least there is no corruption.
Regarding your glxgears issue "vblank_mode=0 glxgears" will do the magic.
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--- Comment #8 from Denis M. (Phr33d0m) <god@politeia.in> ---
(In reply to comment #7)
> Yes that's the same corruption I have with the native backend. I suggest you
> to have a look at top: native isn't slow, but aftware a few minutes the X
> process starts eating the CPU ,that's the reason ;)
In my case, X doesn't normally use much cpu (~10-15%) (well, really depends on
your definition of 'much'), but there are moments (every 2-3 seconds) where it
peaks at ~45-60% which causes everything to lag for a moment (for example if I
move a window or even with glxgears)...
And btw, thanks for the vblank tip, it helped a little.
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--- Comment #9 from darkbasic <darkbasic@linuxsystems.it> ---
It goes to 100% with native backend, at least on SI.
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--- Comment #10 from Fredrik Höglund <fredrik@kde.org> ---
The raster backend does all its rendering in an xshm image, so it's likely that
the problem is in the ShmPutImage path.
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darkbasic <darkbasic@linuxsystems.it> changed:
What |Removed |Added
----------------------------------------------------------------------------
Product|DRI |Mesa
Version|DRI CVS |git
Component|DRM/Radeon |Drivers/Gallium/radeonsi
--- Comment #11 from darkbasic <darkbasic@linuxsystems.it> ---
The root of the problem *isn't* glamor: I just tried Glamor with Intel HD4000
and it works flawlessly. The issue is with mesa.
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--- Comment #12 from darkbasic <darkbasic@linuxsystems.it> ---
I noticed something weird: if I start KDE with desktop effects off it is *much*
faster and there is corruption in the title bar. On the contrary if I start KDE
with desktop effects on and *then* I turn them off nothing changes: it keeps
being very slow and there are no signs of corruption in the title bar.
Also I noticed it is much faster when I set resolution to 1920x1200 compared to
2560x1600, at least when starting KDE with desktop effects off.
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--- Comment #13 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #12)
> I noticed something weird: if I start KDE with desktop effects off it is
> *much* faster and there is corruption in the title bar.
The corruption indicates it's using the native Qt backend, not Raster.
> Also I noticed it is much faster when I set resolution to 1920x1200 compared
> to 2560x1600, at least when starting KDE with desktop effects off.
2560x1600 is almost twice as many pixels as 1920x1200, so some difference in
performance between them is expected.
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--- Comment #14 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #11)
> The root of the problem *isn't* glamor: I just tried Glamor with Intel
> HD4000 and it works flawlessly. The issue is with mesa.
Could also be the glamor glue code in xf86-video-ati.
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--- Comment #15 from darkbasic <darkbasic@linuxsystems.it> ---
Another user with the same distro (Gentoo) and HD7700 (radeonsi) told me he
doesn't have this problem:
http://phoronix.com/forums/showthread.php?85135-GLAMOR-ized-Radeon-Driver-Shows-Hope-Over-EXA&p=361630#post361630
http://phoronix.com/forums/showthread.php?85135-GLAMOR-ized-Radeon-Driver-Shows-Hope-Over-EXA&p=361970#post361970
oibaf pointed me to some glamor patches:
http://lists.freedesktop.org/archives/glamor/2013-October/date.html
I can't try them right now (I'm in Spain) but I will in a week or two.
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--- Comment #16 from darkbasic <darkbasic@linuxsystems.it> ---
Patches (which have been merged mainline in the meantime) didn't help.
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--- Comment #17 from darkbasic <darkbasic@linuxsystems.it> ---
Considering there is an user with a working HD7700 I will try kubuntu 13.10 +
oibaf ppa: maybe there is some magic combination which makes it work. Maybe...
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--- Comment #18 from darkbasic <darkbasic@linuxsystems.it> ---
I just tried plain Kubuntu 13.10: same issue, desktop is unusable :(
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--- Comment #19 from langkamp@tomblog.de ---
Also have HD 7950 on kde 4.11 (opensuse factory+kernel 3.12 and graphical stack
from git via pontostroy repo)
- opengl + raster = very fast, seldom small graphical glitches
- opengl + native = fast, no glitches so far
- xrender + raster = very fast, no glitches so far
- xrender + native = very fast, permanent huge glitches
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--- Comment #20 from darkbasic <darkbasic@linuxsystems.it> ---
Interesting... what may be the difference between your 7950 and mine? Is there
a dev who has any clue? If you want I can make a video, I don't think you
realize how *SLOW* it is, you can't even type something in Konsole without
going crazy :)
I just switched to fglrx after 4 years with just FOSS drivers and KDE is quite
fast (but not as fast as with my HD4000), anyway even the slow radeon was
better than fglrx in Left 4 Dead 2 (framerate is high with fglrx but still the
game is unplayable).
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--- Comment #21 from langkamp@tomblog.de ---
did you tried a recent git version?
you also could try the oibaf ppa with (k)ubuntus - you wrote you tested only
plain kubuntu.
Maybe you also have to set radeon.dpm=1 in grub. I have not tested without it.
in the end it could also be a opensuse thing (but i don´t believe that) or a
hardware fault (I have an gibabyte OC version)
my best guess at the moment is radeon.dpm=1
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--- Comment #22 from langkamp@tomblog.de ---
ah sorry - I see radeon.dpm=1 enabled in your log.
My next guess would be to use glamor 0.5.99 AND kernel 3.12 and not
3.11+drmnext
I did NOT test with 3.11 or glamor 0.5.1 and had and have it only working since
3.12rc4 and glamor 0.5.99
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--- Comment #23 from darkbasic <darkbasic@linuxsystems.it> ---
I'm using everything from git.
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--- Comment #24 from langkamp@tomblog.de ---
Then maybe update your attached xorg.log - it says you are using an updated
kernel 3.11 and glamor 0.5.1
Maybe the devs need this updated log.
I am just a user by the way trying to help :)
I don´t know if glamor 0.5.1 is a stable git branch... I use 0.5.99. Maybe
thats the unstable git branch.
I also got the hint to delete everything in my /usr/local/ because I had old
self-compiled mesa etc. there and that prevented the use of the up to date
versions in /usr
I think /usr/local is used first because its first in the PATH environment
variable...
So for me all worked after I deleted the stuff in /usr/local. Before I was
stuck at software rendering.
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--- Comment #25 from langkamp@tomblog.de ---
mmh - after the last zypper up from the pontostroy-repository (containing
latest git stuff) I had the content of my windows upside down - the windows
itself were normal.
So I reverted from openSUSE factory to openSUSE 13.1 RC1 and also disabled the
pontostroy-repos. So I am back to kernel 3.11 and mesa 9.2.2 and glamor/opengl
2.0 on kde-compositing is still blazing fast, while raster is a bit faster than
native. There are even NO graphical glitches in both modes. Light games are
also working.
glxinfo | grep Open
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD TAHITI
OpenGL version string: 2.1 Mesa 9.2.2
OpenGL shading language version string: 1.30
grep lamor /var/log/Xorg.0.log
[ 6.601] (II) LoadModule: "glamoregl"
[ 6.608] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
[ 6.618] (II) Module glamoregl: vendor="X.Org Foundation"
[ 6.638] (II) Loading sub module "glamoregl"
[ 6.638] (II) LoadModule: "glamoregl"
[ 6.638] (II) Loading /usr/lib64/xorg/modules/libglamoregl.so
[ 6.638] (II) Module glamoregl: vendor="X.Org Foundation"
[ 6.638] (II) glamor: OpenGL accelerated X.org driver based.
[ 6.774] (II) glamor: EGL version 1.4 (DRI2):
[ 6.823] (II) RADEON(0): glamor detected, initialising EGL layer.
So another thing I have encountered in the past is that leftovers of fglrx
conflicted somehow with the system. How did you uninstall it - maybe that is
the problem. For instance I still have this leftover and I cannot find the
root:
grep fglrx /var/log/Xorg.0.log
[ 6.625] (==) Matched fglrx as autoconfigured driver 0
[ 6.625] (==) Matched fglrx as autoconfigured driver 2
[ 6.625] (II) LoadModule: "fglrx"
[ 6.628] (WW) Warning, couldn't open module fglrx
[ 6.628] (II) UnloadModule: "fglrx"
[ 6.628] (II) Unloading fglrx
[ 6.628] (EE) Failed to load module "fglrx" (module does not exist, 0)
this however does not make problems....
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--- Comment #26 from Peter Zubaj <pzubaj@marticonet.sk> ---
I had similar problem with Fedora rawhide. Recompiling rawhide kernel from
source with default config helped. Looks like problem is with some kind of
memory trace enabled in kernel (most of cpu time was spend in slab_alloc and
slab_free).
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--- Comment #27 from darkbasic <darkbasic@linuxsystems.it> ---
I completely removed tracers, changed slab allocator from slub to slab,
completely disabled kernel debugging... it didn't help :(
Can you please be more specific? Also, is there any way to check what the hell
is happening? You spoke about kernel spending lots of cpu cycles in slab_alloc
and slab_free but I have no clue how to debug it and developers seem not
willing to help me.
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--- Comment #28 from Matthew Dawson <matthew@mjdsystems.ca> ---
I think this may have been solved with the latest ddx for ati. I was
originally using version 7.0 (or earlier) along with the latest mesa (9.2, rc
or gold) and glamor (0.5). With KDE I would get frequent slow downs, with X
consuming a full CPU core. Using perf, I noticed it spent all of its time in a
memcpy, and using gdb I found it was copying memory between textures in glamor.
Upgrading to the latest ddx (7.2), all speed issues in KDE (including konsole)
mostly disappeared. X no longer uses cpu like it did before. For those still
seeing speed problems, what version of the ati ddx are you using? And if you
upgrade to 7.2, do your speed problems go away?
I'm using Gentoo with an HD7970.
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--- Comment #29 from darkbasic <darkbasic@linuxsystems.it> ---
Raster never had an high cpu usage, the backend which had high cpu usage was
native. I use DDX from git and it wasn't fixed a few days ago, maybe the commit
which fixed it has been committed in the past few days?
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Matthew Dawson <matthew@mjdsystems.ca> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |matthew@mjdsystems.ca
--- Comment #30 from Matthew Dawson <matthew@mjdsystems.ca> ---
(In reply to comment #29)
> Raster never had an high cpu usage, the backend which had high cpu usage was
> native. I use DDX from git and it wasn't fixed a few days ago, maybe the
> commit which fixed it has been committed in the past few days?
Huh, then I'm not sure then. I'm using a released version of the ddx, so if
performance dropped off again, then its likely a bad commit got added. I'm not
sure what else to suggest to fix it though.
Maybe if you run perf top while causing the slowdowns, something will bubble to
the top?
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--- Comment #31 from darkbasic <darkbasic@linuxsystems.it> ---
I have some updates. Raster is still broken (it's still slow as hell) but at
least Native improved alot. Corruption with native is VERY SPARE compared to a
month ago, also with native X doesn't start eating CPU until full load anymore.
This means native is in an (almost) usable state.
Please note that switching from raster to native in the Kwin Desktop Effects
doesn't make any effect, you have to use kcm-qt-graphicssystem which exports
QT_GRAPHICSSYSTEM=native at startup.
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--- Comment #32 from Denis M. (Phr33d0m) <god@politeia.in> ---
(In reply to comment #28)
> Using perf, I noticed it spent all of its
> time in a memcpy, and using gdb I found it was copying memory between
> textures in glamor.
With latest kernel 3.12.0, mesa 9.2.2 and ati 7.2 color corruption mostly
disappeared with the Native KDE backend and OpenGL 2.0 selected.
Although, every couple of seconds (every ~2-3 sec) my desktop lags for a
moment, using `perf top` I see:
45.08% [kernel] [k] radeon_vm_bo_set_addr
which stays like that all the time. The desktop is pretty much usable, but
watching a HD movie is almost impossible with all that lagging every few
seconds.
> I'm using Gentoo with an HD7970.
Gentoo + HD7870 here.
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--- Comment #33 from Vladimir Ysikov <grantipak@gmail.com> ---
I have Radeon 7950 video card and use opensorce driver on ArchLinux x86, kernel
3.12 + llvm svn + mesa + git. My DE is KDE with kwin.
And with this configuration some 2D operation(resizing window) very slow.
Mplayer opens to full screen for 10 seconds.
Now i rebuild graphical stack llvm 194920, mesa
e133c0103d4336c47911e89cc8a17a1c78bfdbb8, xf86-video-ati last git.
And something went wrong, glxgers says Error: couldn't get an RGB,
Double-buffered visual, no one 3D apps dont runs.
But 2D now fast as rocket
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--- Comment #34 from Vladimir Ysikov <grantipak@gmail.com> ---
Created attachment 89323
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dmesg output
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--- Comment #35 from Vladimir Ysikov <grantipak@gmail.com> ---
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--- Comment #36 from darkbasic <darkbasic@linuxsystems.it> ---
You need to patch your xorg server with
http://cgit.freedesktop.org/xorg/xserver/commit/?id=7ecfab47eb221dbb996ea6c033348b8eceaeb893
(glx: Add support for the new DRI loader entrypoint.)
Now it is fast because it doesn't use your graphic card at all :)
Regarding your issue with mplayer please see this bug:
https://bugs.freedesktop.org/show_bug.cgi?id=71448
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^ permalink raw reply [flat|nested] 43+ messages in thread* [Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend
[not found] <bug-69341-502@http.bugs.freedesktop.org/>
` (33 preceding siblings ...)
2013-11-16 16:40 ` bugzilla-daemon
@ 2013-11-16 20:04 ` bugzilla-daemon
2013-11-16 21:24 ` bugzilla-daemon
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From: bugzilla-daemon @ 2013-11-16 20:04 UTC (permalink / raw)
To: dri-devel
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
--- Comment #37 from Vladimir Ysikov <grantipak@gmail.com> ---
(In reply to comment #36)
> You need to patch your xorg server with
> http://cgit.freedesktop.org/xorg/xserver/commit/
> ?id=7ecfab47eb221dbb996ea6c033348b8eceaeb893 (glx: Add support for the new
> DRI loader entrypoint.)
>
> Now it is fast because it doesn't use your graphic card at all :)
I'll leave it at that for a while. I miss fast 2D :-)
> Regarding your issue with mplayer please see this bug:
> https://bugs.freedesktop.org/show_bug.cgi?id=71448
I read this bug. My mplayer start playing immediately, slow only opens to full
screen and back. Not only play video, firefox slow too (F11 key).
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^ permalink raw reply [flat|nested] 43+ messages in thread* [Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend
[not found] <bug-69341-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
--- Comment #38 from darkbasic <darkbasic@linuxsystems.it> ---
I know it well, raster really sucks that much with radeonsi :)
Fortunately you can have fast 2D (at the expense of some corruption):
echo "export QT_GRAPHICSSYSTEM=native" >> ~/.kde4/env/qt-graphicssystem.sh
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--- Comment #39 from Thue Janus Kristensen <thuejk@gmail.com> ---
Bug #68524 sounds related, has a simple testcase.
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--- Comment #40 from darkbasic <darkbasic@linuxsystems.it> ---
gtkperf doesn't work at all for me:
https://bugs.freedesktop.org/show_bug.cgi?id=71697
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^ permalink raw reply [flat|nested] 43+ messages in thread* [Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend
[not found] <bug-69341-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
--- Comment #41 from darkbasic <darkbasic@linuxsystems.it> ---
"Speed up glamor_copy_area for certain use cases"
(https://bugs.freedesktop.org/attachment.cgi?id=91380) from bug #71813
(https://bugs.freedesktop.org/show_bug.cgi?id=71813) seems to fix my KDE raster
backend issue! hurray!!!
I suggest you to apply also "polylines: Handle diagonal lines"
(https://bugs.freedesktop.org/attachment.cgi?id=91802) which fixes the gtk
primitives/Calc issues (bug #68524
https://bugs.freedesktop.org/show_bug.cgi?id=68524)
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
--- Comment #42 from darkbasic <darkbasic@linuxsystems.it> ---
Native backend is still much faster (especially while scrolling), but at least
raster is usable now.
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^ permalink raw reply [flat|nested] 43+ messages in thread* [Bug 69341] [radeonsi] KDE 4.11 is EXTREMELY slow with Raster QT backend
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From: bugzilla-daemon @ 2015-01-28 7:37 UTC (permalink / raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
--- Comment #43 from Michel Dänzer <michel@daenzer.net> ---
(In reply to darkbasic from comment #42)
> Native backend is still much faster (especially while scrolling), but at
> least raster is usable now.
So can this report be resolved?
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https://bugs.freedesktop.org/show_bug.cgi?id=69341
darkbasic <darkbasic@linuxsystems.it> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution|--- |FIXED
--- Comment #44 from darkbasic <darkbasic@linuxsystems.it> ---
Yes, fortunately the (not so) old, good glamor times are past.
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--- Comment #45 from darkbasic <darkbasic@linuxsystems.it> ---
By the way, we still have corruption in KWin without compositor but I guess
it's a known long standing issue.
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