Upgraded Win (7->10) laptop no longer connects to hostapd AP; errors: deauthenticated due to {local deauth request , inactivity} ?

PGNet Dev pgnet.dev at gmail.com
Fri Oct 6 11:07:24 PDT 2017 

I've got a working hostapd setup -- accessible from all devices on 2.4G & 5G, except for an upgraded (Win7 -> Win10) laptop.

The laptop worked OK under Win7; no longer under Win10.

Three things I know have changed since the last, successful client by the laptop:

	(1) The laptop's been upgraded Win7->Win10
	(2) hostapd/git's been updated a number of times
	(3) my local system + kernel have been updated a number of times

I *suspect* the problem is (1), i.e., Win10, but don't know specifically what to look for here; and, on the Win10 I've apparently got very limited access to diagnostic tools -- at least that I'm aware of.

I've found numerous old mentions of "deauthenticated due to ..." errors (see below) online, but, so far, no solution.

(2)'s also a possibility, and I may have missed a config change.

Have I missed some config? Or, is there a known issue with either current hostapd &/or Win10 clients?

Details as follows:

I've built hostapd,

	git log | head
		commit 4a37463416254712f3a45097014a93d0b521c4f8
		Author: Peng Xu <pxu at qti.qualcomm.com>
		Date:   Fri Sep 29 16:32:44 2017 -0700

		    hostapd: Update HE capabilities and HE operation definition

		    Replace vendor-specific elements for HE capabilities and HE operation
		    elements with the P802.11ax defined element values. This version is
		    based on P802.11ax/D1.4.

	hostapd -v
		hostapd v2.7-devel-hostap_2_6-1207-g4a37463+
		User space daemon for IEEE 802.11 AP management,
		IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator
		Copyright (c) 2002-2017, Jouni Malinen <j at w1.fi> and contributors

running on 

	lsb_release -rd
		Description:    openSUSE Leap 42.3
		Release:        42.3

	uname -r
		4.13.5-2.g3fd9659-default

I've got 4 AP's defined -- 2 @ 5G, 2 @ 2.4 G,

	iw dev
		phy#0
		        Interface wlanG5
		                ifindex 39
		                wdev 0x15
		                addr 02:c0:ca:ee:14:21
		                ssid apG5
		                type AP
		                channel 157 (5785 MHz), width: 40 MHz, center1: 5795 MHz
		                txpower 30.00 dBm
		        Interface wlp1s0u3
		                ifindex 4
		                wdev 0x1
		                addr 02:c0:ca:ee:14:20
		                ssid apU5
		                type AP
		                channel 157 (5785 MHz), width: 40 MHz, center1: 5795 MHz
		                txpower 30.00 dBm
		phy#1
		        Interface wlanG2
		                ifindex 38
		                wdev 0x10000000c
		                addr e2:08:6b:24:ed:c1
		                ssid apG2
		                type AP
		                channel 11 (2462 MHz), width: 40 MHz, center1: 2452 MHz
		                txpower 20.00 dBm
		        Interface wlp1s0u4
		                ifindex 5
		                wdev 0x100000001
		                addr e2:08:6b:24:ed:c0
		                ssid apU2
		                type AP
		                channel 11 (2462 MHz), width: 40 MHz, center1: 2452 MHz
		                txpower 20.00 dBm


Functional and accessible with, or without auth, for virtually all devices I've tested.

Including a Win7 laptop, connecting only at 2.4G.

That laptop (not under my control), JUST got updated to Win10.

Now, it sees the APs, but when I try to connect, it simply fails with an unhelpful "Can't connect" message.

On the hostapd side, logs during the connect attempt show

	...
	Oct  6 06:14:29 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:29 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:29 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:29 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:36 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:36 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:36 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:36 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:44 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:44 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:44 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:44 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:51 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:51 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:51 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:51 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:58 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:58 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:14:58 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:14:58 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:15:06 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:15:06 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:15:06 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:15:06 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:15:15 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to local deauth request
	Oct  6 06:15:15 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to local deauth request
	Oct  6 06:15:52 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:15:52 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:15:52 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:15:52 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:16:00 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:16:00 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:16:00 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:16:00 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:16:07 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:16:07 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:16:07 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:16:07 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:16:16 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to local deauth request
	Oct  6 06:16:16 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to local deauth request
	Oct  6 06:19:35 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:35 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:35 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:35 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:42 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:42 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:42 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:42 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:49 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:49 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:49 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:49 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:57 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:57 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: authenticated
	Oct  6 06:19:57 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:57 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: associated (aid 1)
	Oct  6 06:19:57 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: disassociated
	Oct  6 06:19:57 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: disassociated
	Oct  6 06:19:58 core hostapd: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
	Oct  6 06:19:58 core hostapd[1529]: wlanG2: STA 44:39:c4:17:2b:af IEEE 802.11: deauthenticated due to inactivity (timer DEAUTH/REMOVE)
	...

fyi, my current

	build-config
		CONFIG_DRIVER_NL80211=y
		CONFIG_DRIVER_NL80211_QCA=y
		 CONFIG_WPS=n
		 CONFIG_WPS_UPNP=n
		 CONFIG_WPS_NFC=n
		CONFIG_IEEE80211AC=y
		CONFIG_IAPP=y
		CONFIG_IEEE80211N=y
		CONFIG_IEEE80211R=y
		CONFIG_IEEE80211W=y
		CONFIG_IEEE80211AX=n
		CONFIG_DEBUG_FILE=y
		CONFIG_DEBUG_SYSLOG=y
		CONFIG_FULL_DYNAMIC_VLAN=y
		CONFIG_VLAN_NETLINK=y
		CONFIG_TLS=openssl
		CONFIG_TLSV11=y
		CONFIG_TLSV12=y
		CONFIG_RSN_PREAUTH=y
		CONFIG_PEERKEY=y
		CONFIG_LIBNL32=y
		CONFIG_INTERNAL_LIBTOMMATH=y
		CONFIG_INTERNAL_LIBTOMMATH_FAST=y
		CONFIG_ACS=y
		CONFIG_MBO=y
		CONFIG_TAXONOMY=y
		CONFIG_WPA_CLI_EDIT=y
		CONFIG_NO_ACCOUNTING=y
		CONFIG_NO_RADIUS=y
		CONFIG_HS20=n
		CONFIG_SQLITE=n
		CONFIG_FST=y
		CONFIG_FST_TEST=y

and

	hostapd.conf
		interface=wlp1s0u4
		rsn_preauth_interfaces=wlp1s0u4
		driver=nl80211

		ctrl_interface=/var/run/hostapd2
		ctrl_interface_group=0

		hw_mode=g
		channel=11

		ieee80211d=1
		country_code=US
		ieee80211h=1
		local_pwr_constraint=3
		spectrum_mgmt_required=1

		wmm_enabled=1
		require_ht=0

		ieee80211n=1
		ieee80211ac=0

		ht_capab=[HT40-][SHORT-GI-40][SHORT-GI-20][DSSS_CCK-40][RX-STBC1][MAX-AMSDU-3839]

		eap_server=0
		rsn_preauth=0
		dynamic_vlan=0
		vlan_file=/usr/local/etc/hostapd/hostapd.vlan.BLANK

		logger_syslog=-1
		logger_syslog_level=0
		logger_stdout=-1
		logger_stdout_level=4

		wep_rekey_period=0
		ap_max_inactivity=99999
		skip_inactivity_poll=1
		disassoc_low_ack=0

		ssid=apU2
		bssid=e2:08:6b:24:ed:c0
		ignore_broadcast_ssid=0
		auth_algs=1
		wpa=2
		rsn_pairwise=CCMP
		wpa_key_mgmt=WPA-PSK-SHA256 WPA-PSK
		wpa_psk_file=/usr/local/etc/hostapd/hostapd.wpa_psk.USER
		macaddr_acl=1
		accept_mac_file=/usr/local/etc/hostapd/hostapd.wpa_psk.USER

		bss=wlanG2
		ssid=apG2
		bssid=e2:08:6b:24:ed:c1
		ignore_broadcast_ssid=0
		auth_algs=1
		wpa=2
		rsn_pairwise=TKIP CCMP
		wpa_key_mgmt=WPA-PSK-SHA256 WPA-PSK
		wpa_psk_file=/usr/local/etc/hostapd/hostapd.wpa_psk.GUEST
		macaddr_acl=0

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