Nvidia Shearing Problem

tobiz · 04-20-09, 05:58 PM

I'm running the 177.82 driver on my Mythbuntu 8.10 AMD2 64 system and get a momentary 'shearing' screen effect when watching TV and the scene pans; the effect does not happen unless the scene pans. The effect is as if the screen is monentarily out of sync about 2/3rds of the way down by a 'z' like shear between the top and bottom sections. The shear pattern is always in the same position and same size (but difficult to confirm since it only lasts milliseconds). The screen resolution reported by nvidia-settings is 1680x1050 for the HDMI connected Samsung 22 inch LCD TV. I've tried changing most things for both the nvidia driver and MythTV but the problem remains. Has anyone else seen this effect and is there a solution?

tobiz · 04-23-09, 12:23 PM

Problems solved!
The answer is to add to xorg.conf:
Section "Extensions"
Option "Composite" "Disable"
EndSection

04-20-09, 05:58 PM	#1
tobiz Registered User Join Date: Jun 2008 Posts: 21	Nvidia Shearing Problem I'm running the 177.82 driver on my Mythbuntu 8.10 AMD2 64 system and get a momentary 'shearing' screen effect when watching TV and the scene pans; the effect does not happen unless the scene pans. The effect is as if the screen is monentarily out of sync about 2/3rds of the way down by a 'z' like shear between the top and bottom sections. The shear pattern is always in the same position and same size (but difficult to confirm since it only lasts milliseconds). The screen resolution reported by nvidia-settings is 1680x1050 for the HDMI connected Samsung 22 inch LCD TV. I've tried changing most things for both the nvidia driver and MythTV but the problem remains. Has anyone else seen this effect and is there a solution? __________________ Asus M3N78-EMH HDMI AMD Athlon 64 X2, 2MB ram, 2x Samsung Spinpoint 500GB discs, Hauppauge Nova-T-500, TechniSat SkyStar HD2, Mythbuntu 8.10, Nvidia driver 177.82, Alsa 1.0.18a, Marantz SR5002 AV Amplifier

04-23-09, 12:23 PM	#2
tobiz Registered User Join Date: Jun 2008 Posts: 21	Re: Nvidia Shearing Problem Problems solved! The answer is to add to xorg.conf: Section "Extensions" Option "Composite" "Disable" EndSection __________________ Asus M3N78-EMH HDMI AMD Athlon 64 X2, 2MB ram, 2x Samsung Spinpoint 500GB discs, Hauppauge Nova-T-500, TechniSat SkyStar HD2, Mythbuntu 8.10, Nvidia driver 177.82, Alsa 1.0.18a, Marantz SR5002 AV Amplifier

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