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When Kernel starts Display goes away


Mikec

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I wanted to try 3.4 to see if I could build FFmpeg with the legacy Kernel.  When I run any of the three (Trusty, Jessie, Wheezy) as soon as the script says starting Kernel, I get a few blue and green noise lines on the screen and then the screen disappears.  I can use SSH and.the system is booting up and running.  The one thing that I noticed is that when I log on, the name of the machine is LIME instead of MICRO.  I'm running an Olimex Olinuxino Micro.  Is there a config file that I need to tweek, or is the Kernel setup for a LIME?

 

thanks

 

MikeC

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Did I make a mistake and download the wrong files....  When I open the xorg.conf file I find this 

 

 
Section "Device"
        Identifier      "Allwinner A10/A13 FBDEV"
        Driver          "fbturbo"
        Option          "fbdev" "/dev/fb0"
 
        Option          "SwapbuffersWait" "true"
EndSection
 
when I log on from SSH I get the LIME stencil instead of the MICRO stencil...  I am running a Olimex Olinuxino Micro not the Lime
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When I run any of the three (Trusty, Jessie, Wheezy) as soon as the script says starting Kernel, I get a few blue and green noise lines on the screen and then the screen disappears.

That's normal.

 

The only diff between micro and lime is a config. Check where your /boot/script.bin points to ... if it's not pointing to proper one, change.

 

So you get nothing on the screen but you can login via SSH?

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Yes it is a newer ASuS, and it is running at 1920X1080P60 is that too high for the 3.4?  There are a couple of lines in dmesg that says that it can't match up the frequency with a mode.  it there a way to mount the monitor after the system boots?

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Later Uboot auto detect monitor via EDID but if you got those green lines, that's ok ... as long as it's not UHD monitor 1440p-2160p .. In that case no picture is a normal (bug) behavior.

 

Yes, try to boot without and attach it later ... next check if your script.bin, section for video output is having correct numbers. Correct = HDMI, not correct anything else.

 

http://linux-sunxi.org/Display

script.bin/fex file

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