[mythtv-users] Help With xorg.conf and S-Video Setup

Drew Tomlinson drew at mykitchentable.net
Wed Jun 8 01:12:48 UTC 2005


I've built my first Myth box using 0.18.1 and a Gentoo 2.6.11 kernel.  
Everything was working OK while connected to a regular 4:3 VGA monitor 
running 1024x768 res.  Liking what I saw, I decided to move the system 
to my 38" RCA HDTV.

I have a GeForce2 card.  I'm using the S-Video out to one of the video 
inputs on my TV.  Using a plain vanilla config (posted below), I get a 
picture that is fuzzy but readable.  However after starting 
mythfrontend, anytime I attempt to watch either live tv or a recording, 
the interface appears to just "lock up".  The machine still responds via 
ssh connections from another computer but X and icewm are frozen.  Only 
a "kill" will free it.

I have Googled for 2 days now but am no closer to understanding what I 
need to do to get things going.  Does it make sense that X would "hose" 
just by switching to SVideo?  Also, where can I begin to understand what 
options I need in my xorg.conf file to clear up the picture and 
stabilize X?  I know SVideo will never be as clear as VGA, but I expect 
it to be at least as clear as the SVideo that comes out of my DirecTV 
box.  Is that a reasonable expectation?

Thanks,

Drew

***Begin xorg.conf***
Section "ServerLayout"
        Identifier     "X.org Configured"
        Screen      0  "Screen0" 0 0
        InputDevice    "Mouse0" "CorePointer"
        InputDevice    "Keyboard0" "CoreKeyboard"
EndSection

Section "Files"
        RgbPath      "/usr/lib/X11/rgb"
        ModulePath   "/usr/lib/modules"
        FontPath     "/usr/share/fonts/misc/"
        FontPath     "/usr/share/fonts/TTF/"
        FontPath     "/usr/share/fonts/Type1/"
        FontPath     "/usr/share/fonts/CID/"
        FontPath     "/usr/share/fonts/75dpi/"
        FontPath     "/usr/share/fonts/100dpi/"
EndSection

Section "Module"
        Load  "extmod"
# Comment out dri per http://www.gentoo.org/doc/en/nvidia-guide.xml
# to use nvidia driver
#       Load  "dri"
        Load  "dbe"
        Load  "record"
        Load  "xtrap"
        Load  "glx"
        Load  "type1"
        Load  "freetype"
EndSection

Section "InputDevice"
        Identifier  "Keyboard0"
        Driver      "kbd"
EndSection

Section "InputDevice"
        Identifier  "Mouse0"
        Driver      "mouse"
        Option      "Protocol" "IMPS/2"
        Option      "Device" "/dev/input/mouse0"
        Option      "ZAxisMapping" "4 5"
EndSection

Section "Monitor"
        #DisplaySize      340   250     # mm
        Identifier   "Monitor0"
        VendorName   "TV"
        ModelName    "S-Video"
EndSection

Section "Device"
        Identifier  "Card0"
        Driver      "nvidia"
        VendorName  "nVidia Corporation"
        BoardName   "NV11 [GeForce2 MX/MX 400]"
        Option      "RenderAccel" "1"
EndSection

Section "Screen"
        Identifier "Screen0"
        Device     "Card0"
        Monitor    "Monitor0"
        Option      "TVStandard" "NTSC-M"
        DefaultDepth 24
EndSection

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