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HDTV output, modelines, resolution, etc. What to do?
http://forums.linhes.org/viewtopic.php?f=15&t=14054		 Page 2 of 2
Author:  ceenvee703 [ Sun Feb 11, 2007 6:08 pm ]
Post subject: 
I'd be suspicious that you're not running at 1024x768.

http://www.knoppmythwiki.org/index.php? ... ngLogFiles

In particular, any log dealing with X in /var/log/ . That wiki page mentions the XFree86 log; if your version of KnoppMyth is running X.org then the log file name is probably different but should still be in /var/log/

Hopefully you can decipher what modeline it's running at from the log. What I usually do is delete all the modelines that I _know_ I'm not going to use, then disable (with the # symbol) any modelines I don't want it to run at, leaving only my desired modeline. Then I restart. There is probably a much better way of doing this, but that's what I usually do. So I'd make sure all your modelines but your 1024x768 one are deleted/disabled, then reboot and see what happens.
Author:  hurnik [ Sun Feb 11, 2007 7:51 pm ]
Post subject: 
that's a great idea and thanks for the log file location. (can't imagine I overlooked just removing out anything except 1024x768--so obvious)

I'll look at the logs first and then rem out stuff and see what happens.

Thanks very much!
Author:  hurnik [ Sun Feb 11, 2007 8:09 pm ]
Post subject: 
Here's a snippet from the log (before I've remmed anything out):

Code:
(II) Setting vga for screen 0.
(**) NVIDIA(0): Depth 24, (--) framebuffer bpp 32
(==) NVIDIA(0): RGB weight 888
(==) NVIDIA(0): Default visual is TrueColor
(==) NVIDIA(0): Using gamma correction (1.0, 1.0, 1.0)
(**) NVIDIA(0): Option "UseEdidDpi" "FALSE"
(**) NVIDIA(0): Option "DPI" "100 x 100"
(**) NVIDIA(0): Enabling RENDER acceleration
(WW) NVIDIA(0): Unable to read EDID for display device CRT-0
(II) NVIDIA(0): NVIDIA GPU GeForce 6150 at PCI:0:5:0
(--) NVIDIA(0): VideoRAM: 131072 kBytes
(--) NVIDIA(0): VideoBIOS: 05.51.22.33.07
(--) NVIDIA(0): Interlaced video modes are supported on this GPU
(--) NVIDIA(0): Connected display device(s) on GeForce 6150 at PCI:0:5:0:
(--) NVIDIA(0):     CRT-0
(--) NVIDIA(0): CRT-0: 350.0 MHz maximum pixel clock
(II) NVIDIA(0): Assigned Display Device: CRT-0
(II) NVIDIA(0): Validated modes:
(II) NVIDIA(0):     "1024x768"
(II) NVIDIA(0):     "800x600"
(II) NVIDIA(0):     "640x480"
(II) NVIDIA(0): Virtual screen size determined to be 1024 x 768
(++) NVIDIA(0): DPI set to (100, 100); computed from -dpi X commandline option
(--) Depth 24 pixmap format is 32 bpp
(II) do I need RAC?  No, I don't.
(II) resource ranges after preInit:
   [0] 0   0   0xfb000000 - 0xfbffffff (0x1000000) MX[B]
   [1] 0   0   0xd0000000 - 0xdfffffff (0x10000000) MX[B]
   [2] 0   0   0xfc000000 - 0xfcffffff (0x1000000) MX[B]
   [3] -1   0   0x00100000 - 0x3fffffff (0x3ff00000) MX[B]E(B)
   [4] -1   0   0x000f0000 - 0x000fffff (0x10000) MX[B]
   [5] -1   0   0x000c0000 - 0x000effff (0x30000) MX[B]
   [6] -1   0   0x00000000 - 0x0009ffff (0xa0000) MX[B]
   [7] -1   0   0xfdbe0000 - 0xfdbeffff (0x10000) MX[B]
   [8] -1   0   0xfdbff000 - 0xfdbff7ff (0x800) MX[B]
   [9] -1   0   0xfe02c000 - 0xfe02cfff (0x1000) MX[B]
   [10] -1   0   0xfe028000 - 0xfe02bfff (0x4000) MX[B]
   [11] -1   0   0xfe02d000 - 0xfe02dfff (0x1000) MX[B]
   [12] -1   0   0xfe02e000 - 0xfe02e0ff (0x100) MX[B]
   [13] -1   0   0xfe02f000 - 0xfe02ffff (0x1000) MX[B]
   [14] -1   0   0xec000000 - 0xefffffff (0x4000000) MX[B](B)
   [15] -1   0   0xfb000000 - 0xfbffffff (0x1000000) MX[B](B)
   [16] -1   0   0xd0000000 - 0xdfffffff (0x10000000) MX[B](B)
   [17] -1   0   0xfc000000 - 0xfcffffff (0x1000000) MX[B](B)
   [18] 0   0   0x000a0000 - 0x000affff (0x10000) MS[B](OprD)
   [19] 0   0   0x000b0000 - 0x000b7fff (0x8000) MS[B](OprD)
   [20] 0   0   0x000b8000 - 0x000bffff (0x8000) MS[B](OprD)
   [21] -1   0   0x0000ffff - 0x0000ffff (0x1) IX[B]
   [22] -1   0   0x00000000 - 0x000000ff (0x100) IX[B]
   [23] -1   0   0x0000ce00 - 0x0000ce1f (0x20) IX[B]
   [24] -1   0   0x0000cf00 - 0x0000cf7f (0x80) IX[B]
   [25] -1   0   0x0000f700 - 0x0000f707 (0x8) IX[B]
   [26] -1   0   0x0000f800 - 0x0000f80f (0x10) IX[B]
   [27] -1   0   0x00000b70 - 0x00000b73 (0x4) IX[B]
   [28] -1   0   0x00000970 - 0x00000977 (0x8) IX[B]
   [29] -1   0   0x00000bf0 - 0x00000bf3 (0x4) IX[B]
   [30] -1   0   0x000009f0 - 0x000009f7 (0x8) IX[B]
   [31] -1   0   0x0000fd00 - 0x0000fd0f (0x10) IX[B]
   [32] -1   0   0x00004c40 - 0x00004c7f (0x40) IX[B]
   [33] -1   0   0x00004c00 - 0x00004c3f (0x40) IX[B]
   [34] 0   0   0x000003b0 - 0x000003bb (0xc) IS[B](OprU)
   [35] 0   0   0x000003c0 - 0x000003df (0x20) IS[B](OprU)
(II) NVIDIA(0): Setting mode "1024x768"
(II) Loading extension NV-GLX
(II) NVIDIA(0): NVIDIA 3D Acceleration Architecture Initialized
(II) NVIDIA(0): Using the NVIDIA 2D acceleration architecture
(==) NVIDIA(0): Backing store disabled
(==) NVIDIA(0): Silken mouse enabled
(**) Option "dpms" "true"
(**) NVIDIA(0): DPMS enabled
(II) Loading extension NV-CONTROL
(==) RandR enabled
(II) Initializing built-in extension MIT-SHM
(II) Initializing built-in extension XInputExtension
(II) Initializing built-in extension XTEST
(II) Initializing built-in extension XKEYBOARD
(II) Initializing built-in extension XC-APPGROUP
(II) Initializing built-in extension SECURITY
(II) Initializing built-in extension XINERAMA
(II) Initializing built-in extension XFIXES
(II) Initializing built-in extension XFree86-Bigfont
(II) Initializing built-in extension RENDER
(II) Initializing built-in extension RANDR
(II) Initializing built-in extension COMPOSITE
(II) Initializing built-in extension DAMAGE
(II) Initializing built-in extension XEVIE
(II) Initializing extension GLX
(**) Option "CoreKeyboard"
(**) Keyboard0: Core Keyboard
(**) Option "Protocol" "standard"
(**) Keyboard0: Protocol: standard
(**) Option "AutoRepeat" "500 30"
(**) Option "XkbRules" "xorg"
(**) Keyboard0: XkbRules: "xorg"
(**) Option "XkbModel" "pc105"
(**) Keyboard0: XkbModel: "pc105"
(**) Option "XkbLayout" "us"
(**) Keyboard0: XkbLayout: "us"
(**) Option "CustomKeycodes" "off"
(**) Keyboard0: CustomKeycodes disabled
(**) Option "Protocol" "IMPS/2"
(**) USB Mouse: Device: "/dev/input/mice"
(**) USB Mouse: Protocol: "IMPS/2"
(**) Option "SendCoreEvents" "true"
(**) USB Mouse: always reports core events
(**) Option "CorePointer"
(**) USB Mouse: Core Pointer
(**) Option "Device" "/dev/input/mice"
(**) Option "Buttons" "5"
(==) USB Mouse: Emulate3Buttons, Emulate3Timeout: 50
(**) Option "ZAxisMapping" "4 5"
(**) USB Mouse: ZAxisMapping: buttons 4 and 5
(**) USB Mouse: Buttons: 9
(II) XINPUT: Adding extended input device "USB Mouse" (type: MOUSE)
(II) XINPUT: Adding extended input device "Keyboard0" (type: KEYBOARD)
(II) XINPUT: Adding extended input device "NVIDIA Event Handler" (type: Other)
    xkb_keycodes             { include "xfree86+aliases(qwerty)" };
    xkb_types                { include "complete" };
    xkb_compatibility        { include "complete" };
    xkb_symbols              { include "pc(pc105)+us" };
    xkb_geometry             { include "pc(pc105)" };
(II) USB Mouse: ps2EnableDataReporting: succeeded
(WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
(II) No APM support in BIOS or kernel
(II) NVIDIA(0): Setting mode "1024x768"
(II) USB Mouse: ps2EnableDataReporting: succeeded
(WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
(II) No APM support in BIOS or kernel
(II) NVIDIA(0): Setting mode "1024x768"
(II) USB Mouse: ps2EnableDataReporting: succeeded
(WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
(II) No APM support in BIOS or kernel
(II) NVIDIA(0): Setting mode "1024x768"
(II) USB Mouse: ps2EnableDataReporting: succeeded
Author:  Martian [ Sun Feb 11, 2007 9:47 pm ]
Post subject: 
Unfortunately the display size settings aren't going to do anything for you in this case. The only thing setting the display size does is control text size. Instead of telling Xorg you want text to be a certain DPI you can tell X how big your monitor/TV physically is and it will calculate a text DPI setting that is supposed to result in text that is a good readable size.

Martian
Author:  ceenvee703 [ Mon Feb 12, 2007 6:29 am ]
Post subject: 
Martian wrote:
The only thing setting the display size does is control text size.


My understanding is that it also was how you specified aspect ratio--the link I posted was from the xine FAQ, under the heading "The aspect ratio of the video is wrong!"

Nevertheless, it didn't seem to work for hurnik (and the log seems to indicate he's running at 1024x768).

I guess what I would try next is feeding your TV a 720p modeline, which it would hopefully accept as if it was any other HD device set to output 720p (set-top box, external tuner, etc.)

http://www.knoppmythwiki.org/index.php?page=XModLines
http://www.mythtv.org/wiki/index.php/Modeline_Database
Author:  hurnik [ Tue Feb 20, 2007 8:47 pm ]
Post subject: 
I'm 99% sure it's a limitation of the TV's VGA input connector. I got my DVI to HDMI cable, plugged it in and I've got 720p now, "full" widescreen.

Other problems are cropping up with performance now (FF and Rewind), but I'll have to scrounge around for a fix for that.
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