On Tue, 2017-01-03 at 23:02 -0800, Steffie Chou wrote: > i compiled with the default defconfig for this Graperain [xxx] EVB > board and booted.
Well, this is certainly SPAM ^^. > On Tuesday, December 13, 2016 at 10:00:49 AM UTC+8, Jonathan Liu > wrote: > > 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 <ennesim...@gmail. > > > > com> 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=0B9QRW6Oy0GmeOGdvM3YyYUtqZH > > > > > M > > > > > > > > > > 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. > -- 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.
