From owner-freebsd-wireless@FreeBSD.ORG Tue Jun 17 09:58:38 2014 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 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id DFFDA9A7 for ; Tue, 17 Jun 2014 09:58:38 +0000 (UTC) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id AD5782B4E for ; Tue, 17 Jun 2014 09:58:38 +0000 (UTC) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.14.8/8.14.8) with ESMTP id s5H9wcbq019716 for ; Tue, 17 Jun 2014 10:58:38 +0100 (BST) (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-wireless@FreeBSD.org Subject: [Bug 191090] rsu panics when reboot Date: Tue, 17 Jun 2014 09:58:38 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: wireless X-Bugzilla-Version: 11.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: dchagin@FreeBSD.org X-Bugzilla-Status: Needs Triage X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-wireless@FreeBSD.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.18 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 Jun 2014 09:58:38 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=191090 --- Comment #4 from Dmitry Chagin --- yet another panic, when removing rsu: rsu0: on usbus2 rsu0: MAC/BB RTL8712 cut 3 wlan1: Ethernet address: 50:46:5d:76:ef:15 ugen2.3: at usbus2 (disconnected) rsu0: at uhub3, port 3, addr 3 (disconnected) Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex rsu0 (network driver) r = 0 (0xfffffe0002c330a0) locked @ /home/dchagin/head/sys/dev/usb/usb_util.c:146 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe033d2292e0 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe033d229390 witness_warn() at witness_warn+0x4b5/frame 0xfffffe033d229450 trap_pfault() at trap_pfault+0x59/frame 0xfffffe033d2294f0 trap() at trap+0x752/frame 0xfffffe033d229840 calltrap() at calltrap+0x8/frame 0xfffffe033d229840 --- trap 0xc, rip = 0xffffffff804358fe, rsp = 0xfffffe033d229900, rbp = 0xfffffe033d229980 --- rsu_init_locked() at rsu_init_locked+0x19ce/frame 0xfffffe033d229980 rsu_ioctl() at rsu_ioctl+0xa6/frame 0xfffffe033d2299b0 taskqueue_run_locked() at taskqueue_run_locked+0xf0/frame 0xfffffe033d229a10 taskqueue_thread_loop() at taskqueue_thread_loop+0x9b/frame 0xfffffe033d229a40 fork_exit() at fork_exit+0xd9/frame 0xfffffe033d229ab0 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe033d229ab0 --- trap 0, rip = 0, rsp = 0xfffffe033d229b70, rbp = 0 --- Fatal trap 12: page fault while in kernel mode cpuid = 1; apic id = 01 fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff804358fe stack pointer = 0x28:0xfffffe033d229900 frame pointer = 0x28:0xfffffe033d229980 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 = 0 (rsu0 net80211 taskq) -- You are receiving this mail because: You are the assignee for the bug.