Hi Andrea, On 13 December 2016 at 09:15, Andrea Venturi <[email protected]> wrote:
> > > Il giorno lunedì 12 dicembre 2016 03:20:56 UTC+1, Jonathan Liu ha scritto: >> >> Hi Andrea, >> >> On 11 December 2016 at 22:48, Andrea Venturi <[email protected]> >> wrote: >> >>> hello, >>> .... >>> the only issue is that, after few minutes (10 or so), the display switch >>> to this kind of rendering: >>> >>> https://drive.google.com/open?id=0B9QRW6Oy0GmeOGdvM3YyYUtqZHM >>> >>> no messages on syslog or console. i'm wondering which kind of "glitch" >>> could bring to this (i suppose some kind of "clock power down"?). >>> >> Console blank is 600 seconds by default - kernel will turn off the >> console after 10 minutes of inactivity. >> Try adding consoleblank=0 to your kernel command line. >> >> It is powering down the display engine without powering off the LCD. >> >> > > thanx. indeed it was it. adding 'consoleblank=0' has made the LCD > rendering stable. > > BTW i'm wondering if there's eventually a way to turn back on the console. > Maybe something like this as root? setterm --blank poke --term linux < /dev/tty1 > /dev/tty1 > > i tried to type something on the serial console /dev/ttyS0 but that wasn't > enoguh for bringing the display back to life. > > on the other hand, this setup is unable to power down the display > completely because the backlight is not driven by a GPIO pin but always on. > > Andrea > Regards, Jonathan -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
