We have a BeagleBone Black running beaglebone-debian:jessie-20161228 and Resin OS 1.24.0
We are connecting to an AP by writing a file to /host/var/lib/connman
Type=wifi
SSID=4D6F6F31
Passphrase=keithlliomorfyddindeg
Nameservers=8.8.8.8, 8.8.4.4
After a while (could be minutes or hours) the system disconnects and doesn’t reconnect.
I used a serial cable to read the logs and I got the following :
[38829.495300] cfg80211: World regulatory domain updated:
[38829.524066] cfg80211: DFS Master region: unset
[38829.554782] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
[38829.591292] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[38829.616143] cfg80211: (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
[38829.644180] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
[38829.668536] cfg80211: (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
[38829.698008] cfg80211: (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
[38829.731496] cfg80211: (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
[38829.759575] cfg80211: (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
[38829.784466] cfg80211: (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
[38829.825399] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
We have 5 copies of the hardware - all show the same symptoms. We also have various other things attached to this AP and they all stay attached.
Any ideas how we can diagnose this problem?