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Old 02-11-09, 04:32 PM   #25
oyvind
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

Quote:
Originally Posted by keerthi View Post
Same problem. 180.22/7800GTX. If I toggle 'Force Full GPU Scaling' in nvidia-settings GUI, the problem resolves temporarily. Someone please suggest a fix.
Put "nvidia-settings --load-config-only" somewhere in your session startup files. Make sure you save the settings when you disable flat panel scaling entirely in nvidia-settings. Next login it will re-load those settings and the 16bit crazyness will be automatically fixed.
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Old 02-11-09, 05:32 PM   #26
axerik5
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

Excellent, that seems to fix my problems. Thanks
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Old 02-14-09, 04:17 PM   #27
andersk
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

I see this with 180.29 and several previous versions (GeForce Go 7300, Ubuntu Jaunty amd64). It starts happening every time I start or restart Compiz. It stops happening every time I switch virtual terminals with Ctrl+Alt+F1, Ctrl+Alt+F7.

Here’s an excellent test image for this problem. After starting Compiz, I see 64 clearly visible bands; after switching virtual terminals, the image is completely smooth.
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Old 02-15-09, 03:54 PM   #28
oyvind
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

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Originally Posted by andersk View Post
I see this with 180.29 and several previous versions (GeForce Go 7300, Ubuntu Jaunty amd64). It starts happening every time I start or restart Compiz. It stops happening every time I switch virtual terminals with Ctrl+Alt+F1, Ctrl+Alt+F7.

Here’s an excellent test image for this problem. After starting Compiz, I see 64 clearly visible bands; after switching virtual terminals, the image is completely smooth.
Presumably, re-init at some level in the driver *after* Compiz has been loaded is what does the trick. It doesn't seem to matter what method one chooses to trigger the display reinitialization.
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Old 03-26-09, 02:15 PM   #29
Rackstar
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

I can confirm the bug, driver 180.35, ubuntu 8.10, nvidia geforce go 7300
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Old 04-03-09, 12:17 PM   #30
Rackstar
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

It has been fixed, I have no idea how it has been fixed, but I'm very very happy with it.

I do remember an update of xorg-something. Maybe this was the key.
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Old 10-17-09, 03:11 PM   #31
zander
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Default Re: 180.11 Image Banding -- Running in 16-bit color?

@jason.houston, et al.: does this problem still reproduce with current NVIDIA Linux graphics drivers?
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