Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: compiz (Ubuntu)
Status: New = Confirmed
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Title:
Daniel, could you have a look at this bug report and see if it has all
the details we need if that's something we could SRU a fix for in
precise?
** Also affects: compiz (Ubuntu Precise)
Importance: Undecided
Status: New
** Changed in: compiz (Ubuntu Precise)
Status: New =
@Kenneth: thanks for the testing, I've some questions though, when you
say GNOME, is that a gnome-shell session? GNOME classic runs compiz
right (where the no effects one doesn't)?
So to summarize:
- it doesn't work under unity (and GNOME = gnome-shell?)
- it works under GNOME classic with
Sebastian: I don't think it's unity. Kenneth is pretty sure it's a
failure to implement the GLX swap interval, which is definitely compiz'
responsibility. If Unity is using GL more aggressively than Gnome
classic, then it stands to reason that the problem would be moderately
worse on unity.
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Sebastien: yes, GNOME=gnome-shell. The three desktops I listed above are
the names of the login menu options.
unity-2d is currently broken in our modified Precise distribution so I
haven't been able to test with it.
The problem is not isolated to Unity. The new gnome-shell desktop with
all of
Now that this has been narrowed down, and the requested check of 295.49
has been done (actually, with 295.53), can we move the status away from
Incomplete?
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Moving this to compiz now that kbr has identified the locus of the
problem.
** Package changed: nvidia-graphics-drivers (Ubuntu) = compiz (Ubuntu)
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** Changed in: compiz (Ubuntu)
Status: Incomplete = New
** Changed in: compiz (Ubuntu)
Assignee: Bryce Harrington (bryce) = (unassigned)
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The problem appears to be caused by the window manager or compositor. On
request from NVIDIA, I disabled the window manager on the affected
machine and ran a raw X server:
sudo service lightdm stop
sudo Xorg
xlogo
and then ran glxgears full-screen:
glxgears -geometry 2400x1900+10+10
This
Installed GNOME. GNOME Classic without effects runs Chrome properly.
Details:
GNOME: fails to run WebGL Aquarium
GNOME Classic: runs WebGL Aquarium at 20 FPS full-screen
GNOME Classic (No effects): runs WebGL Aquarium at 30 FPS full-screen (this
appears to be the maximum this card supports at
Hi Thomas,
The .40 nvidia driver was a security fix to close a direct memory access
flaw. Unfortunately by disabling that interface it caused a few
regressions for certain hardware and/or certain applications, such as (I
strongly suspect) this problem you're seeing. An updated driver was
Needs tested with the 295.49. Available in x-updates PPA:
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates
(Btw, it is recommended not to reference glxgears when reporting
performance issues. Instead we recommend running a 3d game with fps
enabled and report the fps numbers from that, as
I think /var/log/Xorg.o.log and the output of lspci -vvnn would be a
good start. Also, I think using nvidia-settings creates an
/etc/X11/xorg.conf file; if you have that, it would be interesting to
have to.
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Could you please do the following in order to collect data about the affected
system, specifically while using said monitor:
- run 'sudo apport-collect 988079' in a terminal
- Attach to the bug report the contents of /var/log/Xorg.0.log
- Attach a text file with the output from lspci -vvnn
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We block the normal operation of apport. Can you describe exactly what
you want from it?
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Title:
Dismal performance on HP Z600 with 30 landscape
What's the video card model involved?
I believe this might be a duplicate of bug #982710
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: New = Incomplete
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Quadro FX 380, which is based on the GeForce 9400, so it's not the bug
that affects performance on the older cards.
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Title:
Dismal performance on
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