From owner-freebsd-wireless@freebsd.org Tue May 17 01:40:43 2016 Return-Path: Delivered-To: freebsd-wireless@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 20B38B3DCEC for ; Tue, 17 May 2016 01:40:43 +0000 (UTC) (envelope-from jason.w.morgan@gmail.com) Received: from mail-ig0-x22a.google.com (mail-ig0-x22a.google.com [IPv6:2607:f8b0:4001:c05::22a]) (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 E3A3011AF for ; Tue, 17 May 2016 01:40:42 +0000 (UTC) (envelope-from jason.w.morgan@gmail.com) Received: by mail-ig0-x22a.google.com with SMTP id s8so2376937ign.0 for ; Mon, 16 May 2016 18:40:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to; bh=YRdG3dGRLEJz1QWdRErgNDNuf1muXusc8/uhB7+IasI=; b=y8g/OqeFfZvk351//Sgnb8e8AS+cYczGFfcaXh3XDWRJ4EK4EcLrrDw6XEw1DIqLXn pwzAKNEy8EZRXK7JszktSHIbMbWcvGgbW+ZR5BUQ0aWVy5YKE4G3TGp4T3wcWlRqO19a Lta15p5ymbWm5s7SAAAVHAIoxnvqKhUPzwr89PbMFUBeBzoWV+lGauFosvNofOGsEyBH 6O+tHxAJ98pTvsPT/Sut+lnzhQnWGlV8kYJ5UZrBusT3q36xj/QN9+9mFh0ia+wX2W0i hFsgvW6yh05YC7cBP+hHwkVQ3iXq8NoF6bFuQJaEA4g/hjhyZVUM+5ABU4NFVHjeVtsf LEeg== 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; bh=YRdG3dGRLEJz1QWdRErgNDNuf1muXusc8/uhB7+IasI=; b=PtbcGcHlf7+8DFGfTD2O2O9Vsxkjk3vCF/Z0ega7dLkFP+/iQ7brWlJJ1H85u1dWvR nuy+GZlD06FJ/zQEhIvvCCCs/QB0by9Co2rGZM9CnJAzNb4elL9xB/2iaf+muZBZ2w2K EeL5gMygwa50b45OtpT7V8rKLP0ryQrEkTkve2UKCa9WwgflvesxbocqIOPFKdjhZb4M UdvlqUdOh3fKnveiUARoSjnZr0czNG1V85/H6am1Jf8tw4x0iF0MXELG1kU4Zj852NwC hju9ZFdh5R9IIIQcCEY4thtKrQ4eDDuXFVBEZ9aJkstG3szgI8AvipWua6lMcGLuoa9K XGgg== X-Gm-Message-State: AOPr4FXU+8lGnkLsKJrUxBTsCUhXzGWAl+P/oeWMn71AIyQKEe7D17waMP0REQ7aDNITEl8opnyT2noIk/Xf2w== MIME-Version: 1.0 X-Received: by 10.50.180.200 with SMTP id dq8mr12865300igc.88.1463449242046; Mon, 16 May 2016 18:40:42 -0700 (PDT) Received: by 10.79.114.88 with HTTP; Mon, 16 May 2016 18:40:42 -0700 (PDT) Date: Mon, 16 May 2016 21:40:42 -0400 Message-ID: Subject: Kernel Panic with Atheros Card (TP-LINK N900) From: Jason Morgan To: freebsd-wireless@freebsd.org Content-Type: text/plain; charset=UTF-8 X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.22 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: Tue, 17 May 2016 01:40:43 -0000 Dear List, I am experiencing multiple kernel panics a day and I believe it's related to a Atheros card I recently installed. Here is some detail I got from dmesg after the last panic. ... ath0: stuck beacon; resetting (bmiss count 0) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 0) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 0) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 0) ath0: stuck beacon; resetting (bmiss count 4) ath0: stuck beacon; resetting (bmiss count 0) ath0: stuck beacon; resetting (bmiss count 4) Fatal trap 18: integer divide fault while in kernel mode ath0: stuck beacon; resetting (bmiss count 5) cpuid = 1; apic id = 01 instruction pointer = 0x20:0xffffffff8045db0d stack pointer = 0x28:0xfffffe01a609a920 frame pointer = 0x28:0xfffffe01a609a970 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 12 (swi4: clock) trap number = 18 panic: integer divide fault cpuid = 1 KDB: stack backtrace: #0 0xffffffff80984ef0 at kdb_backtrace+0x60 #1 0xffffffff80948aa6 at vpanic+0x126 #2 0xffffffff80948973 at panic+0x43 #3 0xffffffff80d4aacb at trap_fatal+0x36b #4 0xffffffff80d4a74c at trap+0x75c #5 0xffffffff80d307e2 at calltrap+0x8 #6 0xffffffff80467738 at ar9300_ani_poll_freebsd+0x48 #7 0xffffffff804158c6 at ath_calibrate+0xf6 #8 0xffffffff8095e50b at softclock_call_cc+0x17b #9 0xffffffff8095e934 at softclock+0x94 #10 0xffffffff8091485b at intr_event_execute_handlers+0xab #11 0xffffffff80914ca6 at ithread_loop+0x96 #12 0xffffffff8091247a at fork_exit+0x9a #13 0xffffffff80d30d1e at fork_trampoline+0xe Uptime: 1h53m50s And here are some details on my system and the card: $ uname -a FreeBSD pilot.skepsi.net 10.2-RELEASE-p14 FreeBSD 10.2-RELEASE-p14 #0: Wed Mar 16 20:46:12 UTC 2016 root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64 $ ifconfig | grep -B3 -i wireless ath0: flags=8843 metric 0 mtu 2290 ether 30:b5:c2:05:c0:fe nd6 options=21 media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng -- ether 30:b5:c2:05:c0:fe inet 192.168.2.1 netmask 0xffffff00 broadcast 192.168.2.255 nd6 options=29 media: IEEE 802.11 Wireless Ethernet autoselect mode 11ng $ ifconfig wlan0 list caps drivercaps=4f85ed01 cryptocaps=1f htcaps=701ee I am happy to provide any information I can to try to get to the bottom of this. I have kernel dumps, etc, if that would help. Thanks! -- ~ Jason Morgan "Those who have had no share in the good fortunes of the mighty Often have a share in their misfortunes." -- Bertolt Brecht, "Der Kaukasische Kreidekreis" (The Caucasian Chalk Circle)