From owner-freebsd-current@freebsd.org Wed Jan 20 01:21:47 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1CBC7A82EB8 for ; Wed, 20 Jan 2016 01:21:47 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: from mail-wm0-x22d.google.com (mail-wm0-x22d.google.com [IPv6:2a00:1450:400c:c09::22d]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A02C914EF for ; Wed, 20 Jan 2016 01:21:46 +0000 (UTC) (envelope-from amvandemore@gmail.com) Received: by mail-wm0-x22d.google.com with SMTP id n5so5481012wmn.0 for ; Tue, 19 Jan 2016 17:21:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=z4eZAaSbTlkLvkCAKwJ2U153HsLFgNQ741fiZND18Bg=; b=ETzYhuXaSzZwMNclEkN1I3uD38HRBrWkvAUbGp0Rs+EWeZfogfSzQkSOewqgmEpa45 l5z8a/uMIf72IiTSFvrHEEHRQbkuMVy3otfkj3mseW3ICqgwF/r35Jx7aC1mWVAmuTxw aVkubcXmGGMfjYU+YAMP7G/ZXwc5Mnd0Py3zWZDe25HdioHms1Lt+ahLG2dqX6uccQX3 413/fKovjfGVAwaICHWg/SltzqjsjJPd/ZNsQQqi7EuVUfZ1RIpKiLAzB71FzRyPLnSc jahVBw95QF3HLzaPRzOo5HXy94GTZ/bFcrqMQGxwMh9ows1OHaF/vPktXIq5b6z09sRB iG4w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:date:message-id:subject:from:to :content-type; bh=z4eZAaSbTlkLvkCAKwJ2U153HsLFgNQ741fiZND18Bg=; b=Hr5kq1KvOas4VXwpOMU5MuRquFCf0oBOhb5/9Fz2sLJuYEEOjE1jZzWrtwHBxlnUYk JlgoETdw8hB4Axv9jFlRYqA8Tdi1Vd2Tscl65WWfYZwieEYBA4moJ9r+lIqz8EvfsPrS ZiWBNWWW5IIzRkiLc03u8sbDIQTz/+yOn8TARhQaJzGnQwG2CTn2p2cqal5mcRwm+v12 EXXVuu8HRh3bH/eN8MLuwvEKBmthgp/Laq1P5SIkYz0wE6eOSjjBicIzOMyPwbIE0v+p C6HjDPZqq+tfkK4RfLTFWhimdSzx7eGe9Ha/FUWWUxPViBwJpMWNRxL9ubC2iHWLexYL lGnQ== X-Gm-Message-State: AG10YOSd7UF7dpr5xikT8SjZSQXAw2hTixiiTMg2CI8KMrjvjggB8PineghCPzegGLKGZjWoLDanrdZNnWhiiw== MIME-Version: 1.0 X-Received: by 10.194.89.72 with SMTP id bm8mr969067wjb.60.1453252904615; Tue, 19 Jan 2016 17:21:44 -0800 (PST) Received: by 10.194.28.136 with HTTP; Tue, 19 Jan 2016 17:21:44 -0800 (PST) Date: Tue, 19 Jan 2016 19:21:44 -0600 Message-ID: Subject: iwn wlan connection losses after recent upgrade from 10-stable to head From: Adam Vande More To: "freebsd-current@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Jan 2016 01:21:47 -0000 Recently I upgraded my system to head from 10-stable: 11.0-CURRENT #0 r293760: iwn0: mem 0xe3c00000-0xe3c01fff irq 17 at device 0.0 on pci2 net.wlan.debug: 1 net.wlan.0.debug: 1 wlan0: flags=8843 metric 0 mtu 1500 ether 24:77:03:07:32:b8 inet 192.168.254.21 netmask 0xffffff00 broadcast 192.168.254.255 nd6 options=29 media: IEEE 802.11 Wireless Ethernet MCS mode 11ng status: associated ssid SSID channel 1 (2412 MHz 11g ht/20) bssid 28:c6:8e:e6:04:7c country US authmode WPA2/802.11i privacy ON deftxkey UNDEF AES-CCM 2:128-bit AES-CCM 3:128-bit powersavemode CAM powersavesleep 100 txpower 13 bmiss 10 scanvalid 60 protmode CTS ampdulimit 64k ampdudensity 8 -amsdutx amsdurx shortgi wme roaming MANUAL groups: wlan While the 10-STABLE setup was never a pillar of reliability, HEAD seems to have made things worse for my wifi setup. Now my connections drops out several times a day at least resulting in logs such as this: wpa_supplicant[81975]: wlan0: CTRL-EVENT-DISCONNECTED bssid=28:c6:8e:e6:04:7c reason=0 kernel: wlan0: link state changed to DOWN wpa_supplicant[81975]: wlan0: Trying to associate with 28:c6:8e:e6:04:7c (SSID='SSID' freq=2412 MHz) wpa_supplicant[81975]: wlan0: Authentication with 28:c6:8e:e6:04:7c timed out. wpa_supplicant[81975]: wlan0: CTRL-EVENT-DISCONNECTED bssid=28:c6:8e:e6:04:7c reason=3 locally_generated=1 wpa_supplicant[81975]: wlan0: Trying to associate with 28:c6:8e:e6:04:7c (SSID='SSID' freq=2412 MHz) wpa_supplicant[81975]: wlan0: Authentication with 28:c6:8e:e6:04:7c timed out. wpa_supplicant[81975]: wlan0: CTRL-EVENT-DISCONNECTED bssid=28:c6:8e:e6:04:7c reason=3 locally_generated=1 wpa_supplicant[81975]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=1 ssid="SSID" auth_failures=1 duration=10 reason=CONN_FAILED wpa_supplicant[81975]: wlan0: CTRL-EVENT-SSID-REENABLED id=1 ssid="SSID" wpa_supplicant[81975]: wlan0: Trying to associate with 28:c6:8e:e6:04:7c (SSID='SSID' freq=2412 MHz) wpa_supplicant[81975]: wlan0: Authentication with 28:c6:8e:e6:04:7c timed out. wpa_supplicant[81975]: wlan0: CTRL-EVENT-DISCONNECTED bssid=28:c6:8e:e6:04:7c reason=3 locally_generated=1 wpa_supplicant[81975]: wlan0: CTRL-EVENT-SSID-TEMP-DISABLED id=1 ssid="SSID" auth_failures=2 duration=23 reason=CONN_FAILED wpa_supplicant[81975]: wlan0: CTRL-EVENT-SSID-REENABLED id=1 ssid="SSID" wpa_supplicant[81975]: wlan0: Trying to associate with 28:c6:8e:e6:04:7c (SSID='SSID' freq=2412 MHz) wpa_supplicant[81975]: wlan0: Authentication with 28:c6:8e:e6:04:7c timed out. Under 10-STABLE, such events were usually only a few times a week. I've just disabled N to see if that helps, but is the decreased reliability expected? Is there anything I can do to improve stability and preserve N? Thanks, -- Adam