180.11 Image Banding -- Running in 16-bit color?

[oyvind]

Originally Posted by keerthi

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.

[axerik5]

Excellent, that seems to fix my problems. Thanks

[andersk]

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.

[oyvind]

Originally Posted by andersk

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.

[Rackstar]

I can confirm the bug, driver 180.35, ubuntu 8.10, nvidia geforce go 7300

[Rackstar]

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.

[zander]

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