Tracking known issues and solutions with the BPi A311D upgrade

[pff]

@vkoskiv

• Issue: The following occasionally appears in dmesg:

[ 6350.739799] rtw_8822cs mmc2:0001:1: failed to send h2c command
[ 6352.847914] rtw_8822cs mmc2:0001:1: firmware failed to leave lps state

→ Solution: TBD - Unknown if this is causing any problems

I was having many problems with the wireless connection. Including the same messages shown above and 100% packet loss after a while.

The issues were solved after

1. creating a config file /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
   with:

[connection]
wifi.powersave = 2

2. rebooting