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Old 02-10-09, 09:04 AM   #1
squall38
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Default 180.29: OpenGL broken on Geforce 6/AGP

Hi all,

to summarize the problem:

Quote:
[squall38@Asgard tmp]$ glxgears
19 frames in 5.0 seconds = 3.767 FPS
20 frames in 5.2 seconds = 3.834 FPS
20 frames in 5.2 seconds = 3.841 FPS
Setting NvAGP to "0" in xorg.conf (thus using PCI instead of AGP mode) fixes OpenGL.
I tried AGP GART and NVAGP, both yield the same result.

Card: Leadtek Winfast A6600GT TDH
Board: Abit KV8-MAX3
CPU: Athlon 64 3200+
Software: Fedora 10 x86, Xorg 1.5.3, Kernel 2.6.27.12

Bug report attached.
Attached Files
File Type: log nvidia-bug-report.log (138.2 KB, 113 views)
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Old 02-10-09, 03:52 PM   #2
zander
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Is this a regression in 180.29 or does it also reproduce with 180.27?
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Old 02-10-09, 04:10 PM   #3
squall38
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

With 180.27 the driver uses PCI mode on the first X start with OpenGL working, but after restarting X when AGP mode kicks in I'm experiencing the same problem.

2D and Xv are working perfectly fine btw.
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Old 02-18-09, 02:33 AM   #4
squall38
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

I noticed today that this problem I'm experiencing appears to be related to KDE4. When I'm using Ratpoison, OpenGL performance is normal.
I'm using KDE 4.2.0 with compositing disabled.
Basically, KDE+AGP=broken, KDE+PCI=works, Ratpoison+AGP=works
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Old 02-18-09, 05:43 AM   #5
as_string
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Hi!

I want to confirm this: Exactly the same problems here. I use the 64bit version of the drivers and have a AMD64 3000+ with a GeForce 7600 GT.

Cheers
Marco
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Old 02-18-09, 05:49 AM   #6
no4b
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

It looks like the same problem I described before: http://www.nvnews.net/vbulletin/showthread.php?t=127525

Anyway performance in PCI mode is quite poor too (but is much better for apps other than these from KDE, but KDE feels laggy) which is understandable. On AGP mode OpenGL in KDE works fast but in any other aplication (any game, accelerated flash player, mplayer with -vo opengl, glxgears) it works very slow.
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Old 02-19-09, 12:41 PM   #7
squall38
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Killing kwin works too.
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Old 02-24-09, 01:23 PM   #8
squall38
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

When enabling compositing in Metacity/Gnome, the desktop effects are fast while OpenGL-using apps break just as they do in KDE. Without compositing OpenGL works normally in Gnome.
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Old 02-25-09, 03:01 PM   #9
no4b
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

180.35 hasn't fixed this problem.
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Old 02-25-09, 04:39 PM   #10
IncubuS
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Hello!

Same problem with FreeBSD 7.1-STABLE, 180.29 and 6600GT AGP. ~1 FPS with glxgears (Option "NvAGP" "1") and ~4300 FPS with "NvAGP" "0".

WBR.
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Old 02-25-09, 06:56 PM   #11
agent_jdh
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Even though I've posted in the other thread I'm going to post here that I've got this problem too with KDE 4.2 and my AGP 7600GT on Gentoo ~x86.

I'm using 180.27 which seems to be OK but I'm just assuming it's working - no4b says it starts in PCI mode for him, but here /proc/driver/nvidia/registry shows NvAGP=3.

EDIT - Whoops - cat /proc/driver/nvidia/agp/status when X is running tells me it's disabled. So 180.27 is broken as well.
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Old 02-26-09, 05:50 PM   #12
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Default Re: 180.29: OpenGL broken on Geforce 6/AGP

Just an addendum, I've tested all of the 180.xx drivers available in Gentoo and this appears to be the case -

With NvAGP="1" in xorg.conf, driver revs 180.22 and 180.27 ignore this and disable AGP regardless.

With NvAGP="1" in xorg.conf, driver revs 180.29 and 180.35 attempt to honour this resulting in dreadful opengl performance.

If you comment out the NvAGP Option in xorg.conf, and let the driver decide, ALL four of the 180.xx driver revs disable AGP and default to PCI mode.

So this is independent of Linux/FreeBSD, 32/64-bit, and from squall38's post it looks like it's not really KDE 4 related either, rather it's compositing + AGP + 180.xx = broke.

Excuse me if I've just stated the bleedin' obvious...
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