the gadget snap in edge has this fix since a while already, it just did
not make it into a stable image yet.
** Changed in: snappy
Status: New => Fix Committed
** Changed in: linux (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1647936
Title:
Raspberry Pi 3: a small rainbow square on the top right of screen
Status in Snappy:
Fix Committed
Status in linux package in Ubuntu:
Invalid
Bug description:
I'm working on the WD/nextcloud project, and found this issue
Download the UC16 for Raspberry Pi 3 from
http://releases.ubuntu.com/ubuntu-core/16/ubuntu-core-16-pi3.img.xz
unxz , dd the image to sd card and boot up the system.
There is a small rainbow square on top right of HDMI monitor.
From RPI forum: https://www.raspberrypi.org/forums/viewtopic.php?t=82373
If the voltage is under 4.65V, firmware displays a rainbow square on top
right of screen and power LED goes off.
But for UC16 the rainbow square is always there even the voltage is
sufficient, but the power LED works properly.
So I also check
1. Ubuntu server for RPI3 from here: https://wiki.ubuntu.com/ARM/RaspberryPi
This RPI3 image works properly (if the voltage is not sufficient, rainbow
square shows on the top right of screen, if it's sufficient,
no rainbow square shows up)
2. Rasbian (jessie lite):
https://downloads.raspberrypi.org/raspbian_lite_latest
This works properly too, and the official Rasbian was released with the
latest firmware, so the rainbow square changes to a
lighting icon
It looks the firmware might be old in UC16? so the under-voltage
warning doesn't display correctly.
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