On Thu, 19 Jul 2018, at 15:25, Niclas Zeising wrote:
> On 07/19/18 15:20, Cy Schubert wrote:
> > In message <2f0ab2c2-b7cc-3dae-2d65-ea3c4a951...@daemonic.se>, Niclas
> > Zeising w
> > rites:
> >> [ sending this again since I missed the list the first time, apologies
> >> if anyone receives a duplicate ]
> >>
> >> On 07/19/18 13:57, Kyle Evans wrote:
> >>> On Thu, Jul 19, 2018 at 4:51 AM, Alexey Dokuchaev <da...@freebsd.org> 
> >>> wrote
> >> :
> >>>> On Thu, Jul 19, 2018 at 11:48:03AM +0300, Andrey V. Elsukov wrote:
> >>>>> ...
> >>>>> Yesterday I updated my notebook (with iwm(4)) and also noticed that
> >>>>> wi-fi connection periodically breaks. /etc/rc.d/wpa_supplicant restart
> >>>>> wlan0 helps. After your message I reinstalled wpa_supplicant from old
> >>>>> source and now it works stable already about 2 hours.

Reporting the same thing. At my end it looks like an issue with the AP itself,
not iwm but maybe more expert eyes see something I don't? I've seen this once
downstairs where the family has an imac on wifi, and it also disconnected at
the same time, and reconnected. I collected all this for the Ubiquiti forums
but maybe it helps here.

I'm using intel 8265, WPA-PSK, and unifi UAC Pro AP. I've been seeing this
for ~ 5 days, around the time my UAC firmware got bumped to 3.9.27.8537, and
also the last CURRENT update I did.

Sometimes it's brutal (every 1-2 minutes) and other times it takes a while 
(hours) to occur:

2018-07-18T19:03:10.843020+00:00 akai kernel: [9200] wlan0: [80:2a:a8:5a:bd:3f] 
AMRR: current rate 2, txcnt=12, retrycnt=167
2018-07-18T19:03:11.684065+00:00 akai kernel: [9200] wlan0: [80:2a:a8:5a:bd:3f] 
AMRR: current rate 2, txcnt=11, retrycnt=94
2018-07-18T19:03:11.847485+00:00 akai 1 2018-07-18T19:03:11.847320+00:00 
akai.skunkwerks.at wpa_supplicant 91696 - - wlan0: CTRL-EVENT-DISCONNECTED 
bssid=80:2a:a8:5a:bd:3f reason=1 locally_generated=1
2018-07-18T19:03:11.848239+00:00 akai 1 2018-07-18T19:03:11.848123+00:00 
akai.skunkwerks.at devd 17186 - - Processing event '!system=IFNET 
subsystem=wlan0 type=LINK_DOWN'
2018-07-18T19:03:11.848846+00:00 akai 1 2018-07-18T19:03:11.848384+00:00 
akai.skunkwerks.at dhclient 57397 - - wlan0 link state up -> down
2018-07-18T19:03:11.848899+00:00 akai 1 2018-07-18T19:03:11.848593+00:00 
akai.skunkwerks.at devd 17186 - - Popping table
2018-07-18T19:03:11.892696+00:00 akai kernel: [9201] wlan0: [80:2a:a8:5a:bd:3f] 
station deauth via MLME (reason: 1 (unspecified))
2018-07-18T19:03:11.892720+00:00 akai kernel: [9201] wlan0: 
ieee80211_swscan_cancel_scan: called; F_SCAN=0, vap=match, signal=0
2018-07-18T19:03:11.892733+00:00 akai kernel: [9201] wlan0: 
ieee80211_swscan_cancel_scan: called; F_SCAN=0, vap=match, signal=0
2018-07-18T19:03:11.892736+00:00 akai kernel: [9201] wlan0: [80:2a:a8:5a:bd:3f] 
send station disassociate (reason: 8 (sending STA is leaving/has left BSS))
2018-07-18T19:03:11.892740+00:00 akai kernel: [9201] [80:2a:a8:5a:bd:3f] send 
disassoc on channel 6
2018-07-18T19:03:11.892743+00:00 akai kernel: [9201] wlan0: [00:28:f8:d0:91:52] 
amrr_node_init: non-11n node
2018-07-18T19:03:11.892746+00:00 akai kernel: [9201] wlan0: link state changed 
to DOWN
2018-07-18T19:03:11.892749+00:00 akai kernel: [9201] wlan0: [00:28:f8:d0:91:52] 
AMRR: nrates=0, initial rate 0
2018-07-18T19:03:12.114718+00:00 akai kernel: [9201] wlan0: ieee80211_scanreq: 
flags 0x20052 duration 0x7fffffff mindwell 0 maxdwell 0 nssid 1
2018-07-18T19:03:12.114744+00:00 akai kernel: [9201] wlan0: ieee80211_scan_flush

this time I got both the wlandebug output and also /var/log/messages & pcap from
the AP. I'm not sure how much privileged info is in the AP pcap so its available
privately on request if needed.

laptop - looks like a normal exit of the AP to me:

2018-07-23T12:20:22.469857+00:00 akai kernel: [1823] wlan0: [80:2a:a8:5a:bd:3f] 
AMRR decreasing rate 11 (txcnt=46 retrycnt=16)
2018-07-23T12:20:25.396670+00:00 akai kernel: [1825] wlan0: [80:2a:a8:5a:bd:3f] 
AMRR: current rate 11, txcnt=11, retrycnt=105
2018-07-23T12:20:25.396700+00:00 akai kernel: [1825] wlan0: [80:2a:a8:5a:bd:3f] 
AMRR decreasing rate 4 (txcnt=11 retrycnt=105)
2018-07-23T12:20:25.698421+00:00 akai 1 2018-07-23T12:20:25.698238+00:00 
akai.skunkwerks.at wpa_supplicant 22034 - - wlan0: CTRL-EVENT-DISCONNECTED 
bssid=80:2a:a8:5a:bd:3f reason=1 locally_generated=1
2018-07-23T12:20:25.699374+00:00 akai 1 2018-07-23T12:20:25.699249+00:00 
akai.skunkwerks.at dhclient 23843 - - wlan0 link state up -> down
2018-07-23T12:20:25.699465+00:00 akai 1 2018-07-23T12:20:25.699319+00:00 
akai.skunkwerks.at devd 37330 - - Processing event '!system=IFNET 
subsystem=wlan0 type=LINK_DOWN'
2018-07-23T12:20:25.699521+00:00 akai 1 2018-07-23T12:20:25.699377+00:00 
akai.skunkwerks.at devd 37330 - - Pushing table
2018-07-23T12:20:25.699569+00:00 akai 1 2018-07-23T12:20:25.699447+00:00 
akai.skunkwerks.at devd 37330 - - Processing notify event
2018-07-23T12:20:25.699778+00:00 akai 1 2018-07-23T12:20:25.699701+00:00 
akai.skunkwerks.at devd 37330 - - Popping table
2018-07-23T12:20:25.864867+00:00 akai kernel: [1826] wlan0: [80:2a:a8:5a:bd:3f] 
station deauth via MLME (reason: 1 (unspecified))
2018-07-23T12:20:25.864893+00:00 akai kernel: [1826] wlan0: 
ieee80211_swscan_cancel_scan: called; F_SCAN=0, vap=match, signal=0
2018-07-23T12:20:25.864896+00:00 akai kernel: [1826] wlan0: 
ieee80211_swscan_cancel_scan: called; F_SCAN=0, vap=match, signal=0
2018-07-23T12:20:25.864898+00:00 akai kernel: [1826] wlan0: [80:2a:a8:5a:bd:3f] 
send station disassociate (reason: 8 (sending STA is leaving/has left BSS))
2018-07-23T12:20:25.864903+00:00 akai kernel: [1826] [80:2a:a8:5a:bd:3f] send 
disassoc on channel 1
2018-07-23T12:20:25.864926+00:00 akai kernel: [1826] wlan0: [00:28:f8:d0:91:52] 
amrr_node_init: non-11n node
2018-07-23T12:20:25.864929+00:00 akai kernel: [1826] wlan0: link state changed 
to DOWN
2018-07-23T12:20:25.864936+00:00 akai kernel: [1826] wlan0: [00:28:f8:d0:91:52] 
AMRR: nrates=0, initial rate 0
2018-07-23T12:20:25.864943+00:00 akai kernel: [1826] wlan0: ieee80211_scanreq: 
flags 0x20052 duration 0x7fffffff mindwell 0 maxdwell 0 nssid 1
2018-07-23T12:20:26.084679+00:00 akai kernel: [1826] wlan0: ieee80211_scan_flush

AP logs - looking very much like a large chunk of the AP stack restarted but 
not the AP itself:

Jul 23 12:24:36 ap2terrace user.info syslog: ubnt_protocol.ubnt_usr1_handler(): 
Get DHCP IP
Jul 23 12:24:36 ap2terrace user.info syslog: ubnt_protocol.ubnt_usr1_handler(): 
my_ip is 172.16.2.10
Jul 23 12:24:36 ap2terrace user.err syslog: 
ubnt_protocol.ubnt_multicast_socket_init(): already drop membership
Jul 23 12:24:36 ap2terrace user.notice syswrapper: hostapd update: 
conf=/etc/aaa2.cfg iterface=ath1 nas_ip=172.16.2.10 res=OK
Jul 23 12:24:36 ap2terrace user.notice syswrapper: hostapd update: 
conf=/etc/aaa1.cfg iterface=ath0 nas_ip=172.16.2.10 res=OK
Jul 23 12:24:37 ap2terrace daemon.info init: process '/bin/dropbear -F -d 
/var/run/dropbear_dss_host_key -r /var/run/dropbear_rsa_host_key -p br0:22' 
(pid 918) exited. Sc
Jul 23 12:24:37 ap2terrace daemon.info init: starting pid 1029, tty 
'/dev/null': '/bin/dropbear -F -d /var/run/dropbear_dss_host_key -r 
/var/run/dropbear_rsa_host_key -p 
Jul 23 12:24:37 ap2terrace authpriv.info dropbear[1029]: Not backgrounding
Jul 23 12:25:06 ap2terrace user.err syslog: ace_reporter.reporter_fail(): 
Unknown[11] (http://172.16.1.14:8080/inform)
Jul 23 12:25:06 ap2terrace user.err syslog: ace_reporter.reporter_fail(): 
initial contact failed #1, url=http://172.16.1.14:8080/inform, rc=11
Jul 23 12:25:08 ap2terrace daemon.info hostapd: ath1: STA 80:2a:a8:5b:bd:3f 
DRIVER: Sead AUTH addr=80:ed:2c:45:8e:f7 status_code=0
Jul 23 12:25:08 ap2terrace kern.warn kernel: [   52.510000] 
wmi_unified_event_rx : no registered event handler : event id 0x901b 
Jul 23 12:25:08 ap2terrace daemon.info hostapd: ath1: STA 80:ed:2c:45:8e:f7 
IEEE 802.11: associated
Jul 23 12:25:08 ap2terrace user.info syslog: wevent.ubnt_custom_event(): 
EVENT_STA_JOIN ath1: 80:ed:2c:45:8e:f7 / 1
Jul 23 12:25:08 ap2terrace daemon.info hostapd: ath1: STA 80:ed:2c:45:8e:f7 
WPA: pairwise key handshake completed (RSN)
Jul 23 12:25:08 ap2terrace user.info syslog: wevent.ubnt_custom_event(): 
EVENT_STA_IP ath1: 80:ed:2c:45:8e:f7 / 172.16.2.14
Jul 23 12:25:09 ap2terrace kern.warn kernel: [   53.000000] [wifi1] FWLOG: 
[73760] RATE: ChainMask 3, phymode 1044489, ni_flags 0x02233006, vht_mcs_set 
0xfffa, ht_mcs_set 0xffff, legacy_rate_set 0x12027
Jul 23 12:25:09 ap2terrace kern.warn kernel: [   53.000000] [wifi1] FWLOG: 
[73767] WAL_DBGID_SECURITY_ALLOW_DATA ( 0x435110 )
Jul 23 12:25:09 ap2terrace kern.warn kernel: [   53.000000] [wifi1] FWLOG: 
[73792] RATE: ChainMask 3, phymode 1044490, ni_flags 0x02233006, vht_mcs_set 
0xfffa, ht_mcs_set 0xffff, legacy_rate_set 0x0401
Jul 23 12:25:18 ap2terrace daemon.info hostapd: ath1: STA 80:ed:2c:45:8e:f7 
RADIUS: starting accounting session 5AAD0B98-00000000
Jul 23 12:25:20 ap2terrace daemon.info hostapd: ath0: STA 80:2a:a8:5a:bd:3f 
DRIVER: Sead AUTH addr=00:28:f8:d0:91:52 status_code=0
Jul 23 12:25:20 ap2terrace user.info syslog: wevent.ubnt_custom_event(): 
EVENT_STA_JOIN ath0: 00:28:f8:d0:91:52 / 1
Jul 23 12:25:20 ap2terrace daemon.info hostapd: ath0: STA 00:28:f8:d0:91:52 
IEEE 802.11: associated
Jul 23 12:25:20 ap2terrace daemon.info hostapd: ath0: STA 00:28:f8:d0:91:52 
WPA: pairwise key handshake completed (RSN)
Jul 23 12:25:20 ap2terrace user.info syslog: wevent.ubnt_custom_event(): 
EVENT_STA_IP ath0: 00:28:f8:d0:91:52 / 172.16.2.92
Jul 23 12:25:30 ap2terrace daemon.info hostapd: ath0: STA 00:28:f8:d0:91:52 
RADIUS: starting accounting session 5AAD0B98-00000000

I'll roll back my boot environment and let you know if it behaves differently.

A+
Dave
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