Here's the followup for the comment #41. I was able to reproduce the
problem and the temporary fix:
http://www.youtube.com/watch?v=_cOiSYYFOi4&feature=youtu.be
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I see very similar issue, but with Core i7 Sandy Bridge, Intel HD
Graphics 3000 built in, which makes me think - this is nothing to do
with NVidia, but rather with Compiz. The desktop effects like moving
between virtual desktops is buttery smooth and the suddenly it goes very
jerky and slow. It sta
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Confirmed
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I experience the same issue in a fresh Linux Mint 13 install!
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Title:
Major OpenGL performance degradation over time
To manage notifications abo
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Incomplete => New
** Also affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
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With the new 304.43 drivers, the issues are still there. Glxgears now
reports that it runs in sync with the monitor refresh rate (60FPS).
This issue is driving me nuts! Nouveau is also not a proper option for
me, since the whole desktop experience looks seriously stretched. The
only work around I
I finally found some time to test some other drivers. With NVIDIA 295.49
drivers the same "drop in performance" issues appear.
When running Nouveau, the issues are gone. Glxgears reports around 650
FPS with Nouveau.
With nouveau the desktop looks streched, but I have not looked into that
further
Interestingly, I notice the following behavior in gnome classic without effects
(gnome-fallback):
Glxgears always gives me around 26000 to 29000 FPS. However, response of the
GUI is sluggish some while after login. E.g. while typing this message, letters
lag behind, appearing on screen in bursts
I can confirm that the bug is also present in an older version of the
nvidia-graphics-drivers, since I have used an older version in the past.
I am pretty sure it was 295.40. I was hoping that the 302 drivers would
have fixed it, but obviously they don't. I will try the nouveau drivers
at a later m
apport information
** Tags added: apport-collected precise
** Description changed:
I have a fully updated Ubuntu 12.04 x64 installation with Nvidia driver
302.17 enabled. The system contains an NVIDIA GeForce GTX 460 video
card.
The problem I notice is that hardware acceleration stops
Please also run this command to ensure relevant system info gets uploaded and
attached to the bug:
apport-collect 1032187
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New => Incomplete
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Could you please try both:
(a) An older version of the nvidia driver that is supported in Ubuntu 12.04:
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers
https://launchpad.net/ubuntu/+source/nvidia-graphics-drivers-updates
(b) Removing NVIDIA drivers completely (assuming th
Thanks. That confirms the problem is not Compiz or Unity. Most likely an
NVIDIA driver or generic Xorg bug.
** Package changed: compiz (Ubuntu) => nvidia-graphics-drivers (Ubuntu)
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Incomplete => New
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After some testing, I can confirm that this bug also occurs in Gnome and Unity
2D. Benchmarking using glxgears gives me:
Session - before bug - during bug
Gnome - 17700 FPS - 11 FPS
Unity - 17000 FPS - 24 FPS
Unity 2D - 11500 FPS - 23 FPS
I haven't tes
** Summary changed:
- OpenGL rendering issues
+ Major OpenGL performance degradation over time
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Title:
Major OpenGL performance degradation over
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