Good news! We now have a signed CLA in place for James contribution (see
comment #331 for background) so James code can finally be merged!
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** No longer affects: compiz
** Also affects: compiz
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/269904
Title:
Screen
Note that I'm not sure if this problem with the patch has been addressed yet:
https://bugs.launchpad.net/compiz/+bug/1288747/comments/91
(If needed, I can test some more with the current version of the patch to see
if the issue still exists)
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** No longer affects: nvidia-graphics-drivers-177 (Ubuntu)
** No longer affects: nvidia-graphics-drivers-177 (Ubuntu Intrepid)
** No longer affects: nvidia-graphics-drivers-180 (Ubuntu Intrepid)
** No longer affects: nvidia-graphics-drivers-180 (Ubuntu)
** Changed in: compiz
Status: New
I suddenly started to experience this bug when I updated my NVIDIA
drivers from NVIDIA-Linux-x86_64-331.79 to = 340. The only workaround
I've found is:
CCSM - Utility - Workarounds - Force complete redraw on initial damage -
check (not sure if this helps)
CCSM - Utility - Workarounds - Force
Dave, did you get any response from James Jones? Did anyone tried to
contact him using e-mail supplied in the patches?
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With Christopher's packages, I still find this happening occasionally in
Firefox (flickering between the old and new content after scrolling),
apparently when free memory is low. I'm not sure I can replicate it
consistently.
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Minor heads-up:
Those using Christopher's PPA need to either hold the relevant package
versions, or tweak the APT policy:
$ cat /etc/apt/preferences.d/townsend-compiz
Package: *
Pin: release o=LP-PPA-townsend-compiz-nvidia-refresh-test
Pin-Priority: 600
Otherwise, the numerically-higher
This patch causes higher compiz memory usage than normal
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https://bugs.launchpad.net/bugs/269904
Title:
Screen refresh problems with nvidia cards
To manage
I sent James Jones a message on Linked-in directing him to this bug,
hopefully that helps. The interwebs are a beautiful and often very
small place.
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Hi Christopher,
On a GeForce 6150SE/nForce 430 running Precise with the Raring HWE stack
and nvidia-304, compiz hangs, and periodically prints:
compiz (opengl) - Info: Initializing sync objects
compiz (opengl) - Warn: We should never wait for a sync -- add more syncs?
compiz (opengl) - Error:
** Changed in: compiz-fusion-plugins-main (Ubuntu)
Assignee: lynda scheidt (lyndastill007) = (unassigned)
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Title:
Hi Ryan,
So it seems the Nvidia patch has some issue on some hardware. Funny, a
comment in the code from the patch says this should never happen. This
is where James Jones (the person who wrote the patch) would need to help
out, but unfortunately, I don't have a dialogue opened with him.
Are
Yes, turning off the option makes it behave normally again.
I'll try to get access to a machine with that chip long enough to try
trusty or utopic and check whether the same thing happens there.
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@townsend: I have this issue on my Macbook Pro Retina 10.1 with Ubuntu 14.04
using the nvidia card (gt 650m). In many applications, only parts of the screen
are refreshed and the parts that are not refreshed flicker heavily (seemingly
between old versions of the screen). This is especially a
Christopher, is there some actual discussion somewhere where licensing
is called out as a problem, or are you just referring to Stephen's
comment #325? I'll bet it just that no one who has permission to push
updated packages has noticed this bug and I don't know how to attract
the attention of
The discussion is between Canonical lawyers (who require a CLA for non-
trivial contributions to Canonical code, including at this time Compiz)
and nVidia, who own the copyright on the contributed code and do not
agree to a CLA.
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Ah, thanks for the clarification.
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Title:
Screen refresh problems with nvidia cards
To manage notifications about
Hello,
I'm getting quite frustrated that we cannot get this patch into Compiz
proper due to the silly licensing issue. So what I have done is create
a Compiz PPA that includes the attached patch. The PPA can be found
here: https://launchpad.net/~townsend/+archive/compiz-nvidia-refresh-
test
Is there still some concern about accepting the patch? It was indeed
authored by James Jones and signed off by him for public release.
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Any news on this?
is there any simple way i can use the patch on ubuntu 14.04 meanwhile?
thanks.
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Title:
Screen
James Jones is the original author of the patch. I made a couple
modifications to it before attaching it -- some minor simplifications,
adding the config option, slightly better error resilience, and updating
it to work against the latest compiz source tree.
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The patches seem to be copyrighted by nVidia and authord by one James
Jones. Where do they come from?
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Title:
Screen
I've attached a patch with the same fix that should work with compiz
0.9.7.12 in Precise.
** Patch added: Add the GL_EXT_x11_sync_object to 0.9.7.12
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/269904/+attachment/3970253/+files/add_x_to_gl_sync_0.9.7.12.patch
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Hi, for some reason the patch added by Kyle doesn't show in the comment history
as normally, although it's on the patch list on the right. His patch is:
Add an option to use GL_EXT_x11_sync_object to synchronize updates with X11
drawing
I have tested this patch using Unity in precise and I was
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