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Hello,

I have been running XBMC on my AppleTV for a while and it is working well. I am now trying to install it on my Linux media centre. I have XBMC installed and working pretty well for the most part, but I do have a couple of issues.

The big one, is that while most movies are working fine, I have a couple which just come up with a black screen and state "Mode not Supported". I tweaked my xorg.conf (as per the relevant thread) to optimise the performance which was required before video would work at a reasonable speed:

Section "Screen"
Identifier "screen"
Device "nvidia"
SubSection "Display"
Modes "1920x1080_60_0" "1920x1080_24"
EndSubSection
EndSection

Section "Extensions"
Option "Composite" "false"
EndSection

# --- Modes in ModePool for SAMSUNG (DFP-0) ---
# "nvidia-auto-select" : 1920 x 1080 @ 60.0 Hz
# "1920x1080" : 1920 x 1080 @ 60.0 Hz
# "1920x1080_60" : 1920 x 1080 @ 60.0 Hz
# "1920x1080_60_0" : 1920 x 1080 @ 59.94/60 Hz (CEA-861B Format 16)
# "1920x1080_50" : 1920 x 1080 @ 50 Hz (CEA-861B Format 31)
# "1920x1080_30" : 1920 x 1080 @ 29.97/30 Hz (CEA-861B Format 34)
# "1920x1080_25" : 1920 x 1080 @ 25 Hz (CEA-861B Format 33)
# "1920x1080_24" : 1920 x 1080 @ 23.97/24 Hz (CEA-861B Format 32)
# "1920x1080_60i" : 1920 x 1080 @ 59.94/60 Hz (CEA-861B Format 5)
# "1920x1080_50i" : 1920 x 1080 @ 50.0 Hz Interlace
# "1280x720" : 1280 x 720 @ 60.0 Hz
# "1280x720_60" : 1280 x 720 @ 60.0 Hz
# "1280x720_60_0" : 1280 x 720 @ 59.94/60 Hz (CEA-861B Format 4)
# "1280x720_50" : 1280 x 720 @ 50.0 Hz
# "720x576" : 720 x 576 @ 50 Hz (CEA-861B Format 18)
# "720x576_50" : 720 x 576 @ 50 Hz (CEA-861B Format 18)
# "720x480" : 720 x 480 @ 59.9 Hz
# "720x480_60" : 720 x 480 @ 59.9 Hz
# "640x480" : 640 x 480 @ 60.0 Hz
# "640x480_60" : 640 x 480 @ 60.0 Hz

One video is a std definition encode, while the other is a high def encode. Anyone any ideas how I can a) determine what the mode should be (I can't hit o to see the video settings because once I get Mode Not Supported, I can't see anything) and b) how to fix it!

Cheers,
David
hobleyd Wrote:Hello,

I have been running XBMC on my AppleTV for a while and it is working well. I am now trying to install it on my Linux media centre. I have XBMC installed and working pretty well for the most part, but I do have a couple of issues.

The big one, is that while most movies are working fine, I have a couple which just come up with a black screen and state "Mode not Supported". I tweaked my xorg.conf (as per the relevant thread) to optimise the performance which was required before video would work at a reasonable speed:

Section "Screen"
Identifier "screen"
Device "nvidia"
SubSection "Display"
Modes "1920x1080_60_0" "1920x1080_24"
EndSubSection
EndSection

Section "Extensions"
Option "Composite" "false"
EndSection

# --- Modes in ModePool for SAMSUNG (DFP-0) ---
# "nvidia-auto-select" : 1920 x 1080 @ 60.0 Hz
# "1920x1080" : 1920 x 1080 @ 60.0 Hz
# "1920x1080_60" : 1920 x 1080 @ 60.0 Hz
# "1920x1080_60_0" : 1920 x 1080 @ 59.94/60 Hz (CEA-861B Format 16)
# "1920x1080_50" : 1920 x 1080 @ 50 Hz (CEA-861B Format 31)
# "1920x1080_30" : 1920 x 1080 @ 29.97/30 Hz (CEA-861B Format 34)
# "1920x1080_25" : 1920 x 1080 @ 25 Hz (CEA-861B Format 33)
# "1920x1080_24" : 1920 x 1080 @ 23.97/24 Hz (CEA-861B Format 32)
# "1920x1080_60i" : 1920 x 1080 @ 59.94/60 Hz (CEA-861B Format 5)
# "1920x1080_50i" : 1920 x 1080 @ 50.0 Hz Interlace
# "1280x720" : 1280 x 720 @ 60.0 Hz
# "1280x720_60" : 1280 x 720 @ 60.0 Hz
# "1280x720_60_0" : 1280 x 720 @ 59.94/60 Hz (CEA-861B Format 4)
# "1280x720_50" : 1280 x 720 @ 50.0 Hz
# "720x576" : 720 x 576 @ 50 Hz (CEA-861B Format 18)
# "720x576_50" : 720 x 576 @ 50 Hz (CEA-861B Format 18)
# "720x480" : 720 x 480 @ 59.9 Hz
# "720x480_60" : 720 x 480 @ 59.9 Hz
# "640x480" : 640 x 480 @ 60.0 Hz
# "640x480_60" : 640 x 480 @ 60.0 Hz

One video is a std definition encode, while the other is a high def encode. Anyone any ideas how I can a) determine what the mode should be (I can't hit o to see the video settings because once I get Mode Not Supported, I can't see anything) and b) how to fix it!

Cheers,
David

xbmc.log tells all.
Thanks for the tip; Sorry I missed the obvious.

Just to close this thread off, the issue was that the mode XBMC was trying to set (1920x1024_24) was unsupported on the TV when using the HDMI input; I switched to a VGA cable and every started working beautifully. Go figure.

Cheers,
David