On Mon, Jul 23, 2018 at 4:44 AM, Eric Smith <spacewar@xxxxxxxxx> wrote: > I'm trying to use Fedora 28 Minimal on a Raspberry Pi 3 to set up an NTP > server using a GPS hat, specifically intended for this purpose: > > https://www.tindie.com/products/nsayer/skytraq-venus838lpx-t-timing-gps-module-breakout/ > (That link initially shows the non-Raspberry Pi version; click the second > photo for the Pi version.) > > Booting Fedora from the MicroSD fails, apparently due to U-Boot thinking > that the UART has "pressed a key" to abort the boot. I get a U-Boot prompt, >From the prompt you should be able to types "boot" and it should continue to boot. > followed by lots of garbage (presumably due to baud rate mismatch). Or the GPS already sending NMEA data. > Is there any easy way to get U-Boot to not listen to the UART? Off hand I'm not sure, there was a patch set that did auto enable based on the what the firmware reported. > I've tried this with 32-bit and 64-bit Fedora 28 on a Pi 3B and a Pi 3B+, > with the same results. Without hte GPS hat it boots fine. Yes, so it seems like the GPS is probably trying to send data which is in turn interrupting the boot process. _______________________________________________ arm mailing list -- arm@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to arm-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/arm@xxxxxxxxxxxxxxxxxxxxxxx/message/TRD5O6AFLIJLZAXRZEJOLF742XOSUOOB/
