2016-08-21 6:58 GMT-03:00 Hans de Goede <[email protected]>: > Hi, > > On 21-08-16 04:26, Leonardo wrote: > >> Hi. I'm building a very minimal Linux distro to use as an embedded system >> on a A20 tablet. I don't want to believe this, but I think that booting my >> distro has damaged the device. The tablet came with Android. I had it >> rooted so I could extract the fex file. Then I got kernel 3.4.104 and uboot >> 2016.02 from GitHub, built my file system with buildroot and so on. I'm >> using an SD card for now. So I tried booting my system and nothing came up >> on the LCD. Then I remove my SD card, try to get back to Android and still >> nothing on the screen! The device is not dead. I can access it using ssh >> over the >> wifi, the usb port works fine. Basically I can do anything remotely. At >> first I thought I might have damaged something on the PCB while performing >> the tests, so I had a second tablet. Boot on Android, display works fine. >> Boot on my distro, nothing on screen. Try to get back to Android, and >> nothing on the screen again. By the way, the backlight lights up as usual, >> so the display is not dead also. I've worked on a similar project last year >> and had no problem like this at all. I have no idea what went wrong. Is it >> possible that my kernel has damaged the device somehow? >> > > Try removing all power from the device to really get it in a clean hw > state. You can force shutdown > the device by keeping the power button pressed for 12+ seconds. > > Regards, > > Hans >
Thank you for taking a shot, but no success so far. I'm not sure what exactly happened, but now it won't turn on. I'll wait for the battery to run out and try again tomorrow. -- 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.
