From owner-freebsd-wireless@FreeBSD.ORG Mon Mar 9 11:20:17 2015 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 9CE43608 for ; Mon, 9 Mar 2015 11:20:17 +0000 (UTC) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 613C18FE for ; Mon, 9 Mar 2015 11:20:17 +0000 (UTC) Received: from [192.168.135.70] (unknown [94.19.235.70]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 9773656400 for ; Mon, 9 Mar 2015 14:20:16 +0300 (MSK) Message-ID: <54FD81EE.6020503@FreeBSD.org> Date: Mon, 09 Mar 2015 14:20:14 +0300 From: Lev Serebryakov Reply-To: lev@FreeBSD.org Organization: FreeBSD User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: freebsd-wireless@freebsd.org Subject: Problems with AR9280 in AP mode: hang ups, DMA timeouts and stuck beacons Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 09 Mar 2015 11:20:17 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 I have Ubiquiti SR71E card based on AR9280: ath0: mem 0xd0000000-0xd000ffff irq 18 at device 0.0 on pci3 ath0: [HT] enabling HT modes ath0: [HT] 1 stream STBC receive enabled ath0: [HT] 1 stream STBC transmit enabled ath0: [HT] 2 RX streams; 2 TX streams ath0: AR9280 mac 128.2 RF5133 phy 13.0 ath0: 2GHz radio: 0x0000; 5GHz radio: 0x00c0 I have (again!) problems with it hangs in AP mode. It becomes critical, as my wife use WiFi to teach via Skype. So, when WiFi hangs for 2-3 minutes, I get loud (and righteous!) complains. Last such case leaves me this in dmesg: Mar 9 12:59:32 gateway kernel: ath0: stuck beacon; resetting (bmiss count 4) Mar 9 12:59:32 gateway kernel: ar5416StopDmaReceive: dma failed to stop in 10ms Mar 9 12:59:32 gateway kernel: AR_CR=0x00000024 Mar 9 12:59:32 gateway kernel: AR_DIAG_SW=0x42000020 MMar 9 13:26:52 gateway kernel: ath0: ath_rx_proc: kickpcu; handled 0 packets Mar 9 13:29:59 gateway kernel: ath0: stuck beacon; resetting (bmiss count 4) Mar 9 13:31:39 gateway kernel: ath0: stuck beacon; resetting (bmiss count 4) Mar 9 13:32:07 gateway kernel: ath0: stuck beacon; resetting (bmiss count 4) And it looks like that client (Win7 with Intel N6235) lost connection at ~13:26:30 (before "kickpcu") and restore it only at 13:32:10! AP is FreeBSD-CURRENT r278206 (from Feb 6 2015). - -- // Lev Serebryakov AKA Black Lion -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (MingW32) iQJ8BAEBCgBmBQJU/YHtXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRGOTZEMUNBMEI1RjQzMThCNjc0QjMzMEFF QUIwM0M1OEJGREM0NzhGAAoJEOqwPFi/3EePm2wQAIlO/DKnLHwGpPaK06VUFbsY vvFSiXNo8zQp99xRcExSP4W8YHrnJRKjAMlerOhlsW9huvM4ep8l18vaoOguH9BY WzaruIsPonCbQJlNPurSFsVzGAqfdL92Zfbs+mgNbjoicz7zI/BOmhBw5ujcqgmb A04C+f5Q6pVSdTkv9OQEJSll0wmyAxzFzwnyPaL9FSyIz0mmo8lnMmzP+jZLEPfJ 0ml2eNKXgvSxAEuEg/Xl52SpnPmtvz2FTQjt5glqgh9/BdRN+VRBCGpsxZWfPz+b GH3WbUbizSbQA/SJ7gVeIP7dVRNMs1ZAe1u91W0appBkPpIg5bS6lPsbPOm8fW0N bxOugYzc7tlcgN9EBfTVeAo3G15OKSkIIAkYJ+lQPP8BwxZbV3FhLmjffgv1AmzC lTO4GrKCjQozsKmXC1pcmn2hnZUGznYqWhZs8CtRtGnvwhd54XGquS9tSedbSCB+ rAZNFQnvun8Fl1ggf3rWf4fFDMQsXYV/Kxt8/muv0QfBDGU/Kt9ct8lIYOOm3rIS EmHW5LZN5/DLCuY04J37lCR4J9ku9HU5t+2lqCCgv6D9t2mJVbnhRTGGBSSY7G+I hJC0tAY8zVvciTUAe2MNUYFTx9lEItVjVLvhGqva1vdrF6kl8+C1AejMpCgwXwg2 v+XIhBDlVYOA4EucRZ9T =U3Xj -----END PGP SIGNATURE-----