need my usb tethering back

[HLing]

Did you ever find a solution to this? I just got a usb tether the other day and it hasn't worked with the three mice I've tried it with and it seems like I have the same kernel as you so I am in a similar position.

I went back to the 20210201 image at the end of June and have been careful  to do only apt upgrade instead of  apt dist-upgrade. I am still good for USB tethering as of today.
I had wanted to use a later image, like the 20210517  but I cannot get around the f2fs file system.

At present uname -a gets me: Linux Mobian 5.10-sunxi64 #2 SMP PREEMPT Tues.Jan12 09:55:56 UTC 2021 aarch64 GNULinux
(and I still had to blacklist Anxi7688)

Good luck!

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I find it best to run with an SD card and upgrade it first. Then, if no issues are found, switch back to the EMMC and upgrade it. 4 times this has saved me.
Due to the modem disconnect issue my EMMC is still using a mid-May image.
YMMV
LF

Thanks for the info on mid-May image. I'm using the 20210201 because I was not able to get current with  the f2fs file system. Yes, 4 times sounds about right I was not so smart with my upgrade procedures, and have lost many contacts and settings....
*by the way, the modem disconnect issue is happening with my pinephone though, frustrating that only way around is reboot still.

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I am curious how much of this scripting needs to be changed to add PAN AP capacity to Mobian?
http://wiki.maemo.org/Bluetooth_PAN

Code:

Install the iptables package:

apt-get install iptables

create the following 2 files:

/etc/udev/rules.d/98-bnep0.rules:

ACTION=="add", SUBSYSTEM=="net",  KERNEL=="bnep0", RUN+="/etc/udev/bluenet.sh"
ACTION=="remove", SUBSYSTEM=="net",  KERNEL=="bnep0", RUN+="/etc/udev/bluenet.sh"

/etc/udev/bluenet.sh:

#! /bin/sh
if [ $ACTION = "add" ]; then
    echo 1 > /proc/sys/net/ipv4/ip_forward
    iptables -t nat -A POSTROUTING ! -o lo -j MASQUERADE
    ifconfig bnep0 192.168.3.1
    ifconfig bnep0 up
    /usr/sbin/dnsmasq -I lo -z -a 192.168.3.1 -F 192.168.3.64,192.168.3.127 -x /var/run/dnsmasq.pid.bnep0
else
    iptables -t nat -D POSTROUTING ! -o lo -j MASQUERADE
    if [ -f /var/run/dnsmasq.pid.bnep0 ]; then
        DNSMASQ_PID=`cat /var/run/dnsmasq.pid.bnep0`
        rm -f /var/run/dnsmasq.pid.bnep0
        kill $DNSMASQ_PID
       fi
fi

then set /etc/udev/bluenet.sh as executible:

chmod +x /etc/udev/bluenet.sh

I have been using PAN for my laptop and tablet when mobile for many years and it works great, almost as power efficient as USB and far better than WiFi on a mobile battery.
I did notice we can already join a bluetooth PAN as a client from Advanced Networking settings.

@biketool, I'm intrigued. At my next breather I will do more studying on this.  Thank you!