From owner-freebsd-wireless@FreeBSD.ORG Sat Aug 10 14:45:27 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id DE272BB2; Sat, 10 Aug 2013 14:45:27 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 9B5382037; Sat, 10 Aug 2013 14:45:27 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (89.112.15.178.pppoe.eltel.net [89.112.15.178]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPSA id 744EA4AC58; Sat, 10 Aug 2013 18:45:25 +0400 (MSK) Date: Sat, 10 Aug 2013 18:44:58 +0400 From: Lev Serebryakov X-Priority: 3 (Normal) Message-ID: <444161433.20130810184458@serebryakov.spb.ru> To: Adrian Chadd Subject: Re: r254093 wi-fi related instability In-Reply-To: References: <402688630.20130809131517@serebryakov.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 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: Sat, 10 Aug 2013 14:45:27 -0000 Hello, Adrian. You wrote 9 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2013 =D0=B3., 18:12:= 11: AC> Hm! Interesting! Yes, please get me some panic information. CABOOM! Fatal trap 12: page fault while in kernel mode cpuid =3D 1; apic id =3D 01 fault virtual address =3D 0x0 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff802ef251 stack pointer =3D 0x28:0xffffff812205f850 frame pointer =3D 0x28:0xffffff812205f8c0 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (ath0 taskq) trap number =3D 12 panic: page fault cpuid =3D 1 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff812205f= 400 kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff812205f4b0 panic() at panic+0x155/frame 0xffffff812205f530 trap_fatal() at trap_fatal+0x37a/frame 0xffffff812205f590 trap_pfault() at trap_pfault+0x257/frame 0xffffff812205f630 trap() at trap+0x454/frame 0xffffff812205f790 calltrap() at calltrap+0x8/frame 0xffffff812205f790 --- trap 0xc, rip =3D 0xffffffff802ef251, rsp =3D 0xffffff812205f850, rbp = =3D 0xffffff812205f8c0 --- ath_transmit() at ath_transmit+0x2e1/frame 0xffffff812205f8c0 ieee80211_vap_pkt_send_dest() at ieee80211_vap_pkt_send_dest+0x236/frame 0x= ffffff812205f910 ieee80211_vap_transmit() at ieee80211_vap_transmit+0x1e9/frame 0xffffff8122= 05f950 pwrsave_flushq() at pwrsave_flushq+0x19f/frame 0xffffff812205f9a0 hostap_input() at hostap_input+0x8a9/frame 0xffffff812205fa30 ath_rx_pkt() at ath_rx_pkt+0x3fa/frame 0xffffff812205faa0 ath_rx_proc() at ath_rx_proc+0x290/frame 0xffffff812205fb30 taskqueue_run_locked() at taskqueue_run_locked+0xe6/frame 0xffffff812205fb80 taskqueue_thread_loop() at taskqueue_thread_loop+0xa8/frame 0xffffff812205f= bb0 fork_exit() at fork_exit+0x75/frame 0xffffff812205fbf0 fork_trampoline() at fork_trampoline+0xe/frame 0xffffff812205fbf0 --- trap 0, rip =3D 0, rsp =3D 0xffffff812205fcb0, rbp =3D 0 --- Unfortunately, it is NanoBSD-based system, so here ate no debugging sysmbols or kernel core :( --=20 // Black Lion AKA Lev Serebryakov