When my BBGW boots up, the serial console gets flooded with this message 
every few seconds:

[ 1000.268493] wlcore: ERROR SW watchdog interrupt received! starting 
recovery.
[ 1002.334742] wlcore: ERROR SW watchdog interrupt received! starting 
recovery.
[ 1006.021489] wlcore: ERROR SW watchdog interrupt received! starting 
recovery.
[ 1014.865474] wlcore: ERROR SW watchdog interrupt received! starting 
recovery.

Because the frequency of this message, the log files /var/log/daemon.log, 
syslog, kern.log and messages are hundreds of MB in size.

If I run "sudo ifconfig wlan0 down" then the problem goes away...but so 
does network access.  :)

Network connectivity is nearly useless, with > 90% packet loss.

--- 192.168.1.1 ping statistics ---
247 packets transmitted, 8 received, +99 errors, 96% packet loss, time 
246985ms

Anyone know what this watchdog error message means?  Or how to fix wifi on 
the BBGW?

I'm using this build: 
 
https://rcn-ee.com/rootfs/bb.org/testing/2016-10-30/seeed-iot/BBGW-blank-debian-8.6-seeed-iot-armhf-2016-10-30-4gb.img.xz

Stéphane

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