From owner-freebsd-current@FreeBSD.ORG Tue Jul 27 15:38:17 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B7ACE1065678 for ; Tue, 27 Jul 2010 15:38:17 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirg.bris.ac.uk (dirg.bris.ac.uk [137.222.10.102]) by mx1.freebsd.org (Postfix) with ESMTP id 0F3D68FC08 for ; Tue, 27 Jul 2010 15:38:12 +0000 (UTC) Received: from ncsd.bris.ac.uk ([137.222.10.59] helo=ncs.bris.ac.uk) by dirg.bris.ac.uk with esmtp (Exim 4.69) (envelope-from ) id 1OdmEN-0004Z8-Lv for freebsd-current@freebsd.org; Tue, 27 Jul 2010 16:38:11 +0100 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by ncs.bris.ac.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.67) (envelope-from ) id 1OdmEN-000342-HP for freebsd-current@freebsd.org; Tue, 27 Jul 2010 16:38:11 +0100 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4) with ESMTP id o6RFcB80047167 for ; Tue, 27 Jul 2010 16:38:11 +0100 (BST) (envelope-from mexas@bristol.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.4/8.14.4/Submit) id o6RFcBZU047166 for freebsd-current@freebsd.org; Tue, 27 Jul 2010 16:38:11 +0100 (BST) (envelope-from mexas@bristol.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bristol.ac.uk using -f Date: Tue, 27 Jul 2010 16:38:11 +0100 From: Anton Shterenlikht To: freebsd-current@freebsd.org Message-ID: <20100727153810.GA47120@mech-cluster241.men.bris.ac.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) Subject: panic: lock (sleep mutex) ral0 not locked @ /usr/src/sys/dev/ral/rt2560.c:2011 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Tue, 27 Jul 2010 15:38:17 -0000 On amd64 r... I tried to plug in pcmcia wireless ral(4) card. The card is detected as: ral0: mem 0xb7fb0000-0xb7fb1fff irq 20 at device( ral0: MAC/BBP RT2560 (rev 0x00), RF RT2522 ral0: [ITHREAD] Then I get this panic: ral0: could not read from BBP ral0: timeout waiting for BBP panic: lock (sleep mutex) ral0 not locked @ /usr/src/sys/dev/ral/rt2560.c:2011 cpuid = 0 KDB: enter: panic [ thread pid 0 tid 100065 ] Stopped at kdb_enter+0x3d: movq $0,0x755100(%rip) db> bt Tracing pid 0 tid 100065 td 0xffffff00026d7440 kdb_enter() at kdb_enter+0x3d panic() at panic+0x17b witness_unlock() at witness_unlock+0x297 _mtx_unlock_flags() at _mtx_unlock_flags+0x87 rt2560_ioctl() at rt2560_ioctl+0xbf taskqueue_run() at taskqueue_run+0x63 taskqueue_thread_loop() at taskqueue_thread_loop+0x54 fork_exit() at fork_exit+0x12a fork_trampoline() at fork_trampoline+0xe --- trap 0, rip = 0, rsp = 0xffffff803x1f5d30, rbp = 0 --- many thanks anton -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423