Hi,
I am using BB Black RevC. It is offered by Element 14; its OS is Debian.
The BBB is used to collect some sensor data and forward it to a server
through WiFi interface; the WiFi dongle used is TP-Link TL-WN821N.
The BBB is required to function at 7/24 basis. So I run a script inside BBB
to do check and maintain WiFi connection:
while (true) {
res = fping router a few times
if (res == yes) {
# do nothing
} else {
ifdown wlanx
ifup wlanx
}
}
However, it happens quite often during my test that ifdown wlanx will make
the BBB hang.
Anyone has similar issue? Is it hardware related: the TP-Link dongle and
its driver; Or is there some bug in OS?
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