Hi All,
Just for the reference:
I'm using the console image for the beaglebone black (
bone-debian-8.7-console-armhf-2017-01-30-2gb.img ).
For the hardware I'm using:BeagleBone Black Industrial + 4D systems 4.3
display.
I was having the same problem:
- Display blanks after 10 minutes.
- Changing X11-settings doest not help (due to the fact that X11 is not
installed).
I have found that :
echo 0 > /sys/class/graphics/fb0/blank
This turns the display back on, but only for a short amount of time.
It can also be done by:
sh -c "TERM=linux setterm -blank 0 >/dev/tty0"
But it is not a permanent solution, after a reboot the problem is back
again, the display will blank after 10 minutes.
Editing /uEnv.txt seems to hold the solution.
add consoleblank=0 to the mmcargs line (see example below):
mmcargs=setenv bootargs console=tty0 console=${console} consoleblank=0
${optargs} ${cape_disable} ${cape_enable} root=/dev/mmcblk0p1
rootfstype=${mmcrootfstype} ${cmdline}
Then after saving: Reboot the system and for me the problem has been solved
(I'm now running for 25 minutes).
With the following command:
cat /sys/module/kernel/parameters/consoleblank
You can check if the value is indeed 0 (originally it was 600) => 10
minutes.
Best regards,
Carl
On Saturday, 31 August 2013 19:09:55 UTC+2, chameleon452 wrote:
>
>
> Hello,
>
> we'd like to run the BBB in an embedded application with display but
> without keyboard/mouse. Unfortunately it keeps blanking the display after a
> few minutes, even when I'm logged in remotely. I'm pulling my hairs out
> over how to disable it. I'm currently using
>
> setterm -blank 0 -powerdown 0
> xset s off
>
> but it still turns off after several minutes. There also does not seem to
> be any way to wake it up again without using a physical keyboard/mouse??
> I'm using the stock Angstrom image.
>
>
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