From owner-freebsd-current@FreeBSD.ORG Sat May 8 21:10:07 2010 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E2A951065670 for ; Sat, 8 May 2010 21:10:07 +0000 (UTC) (envelope-from bzeeb-lists@lists.zabbadoz.net) Received: from mail.cksoft.de (mail.cksoft.de [195.88.108.3]) by mx1.freebsd.org (Postfix) with ESMTP id 982DA8FC0C for ; Sat, 8 May 2010 21:10:07 +0000 (UTC) Received: from localhost (amavis.fra.cksoft.de [192.168.74.71]) by mail.cksoft.de (Postfix) with ESMTP id 1174441C76D; Sat, 8 May 2010 23:10:06 +0200 (CEST) X-Virus-Scanned: amavisd-new at cksoft.de Received: from mail.cksoft.de ([192.168.74.103]) by localhost (amavis.fra.cksoft.de [192.168.74.71]) (amavisd-new, port 10024) with ESMTP id zrQqOF85i+jP; Sat, 8 May 2010 23:10:05 +0200 (CEST) Received: by mail.cksoft.de (Postfix, from userid 66) id 71B8E41C75E; Sat, 8 May 2010 23:10:05 +0200 (CEST) Received: from maildrop.int.zabbadoz.net (maildrop.int.zabbadoz.net [10.111.66.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.int.zabbadoz.net (Postfix) with ESMTP id ACDC94448EC; Sat, 8 May 2010 21:05:57 +0000 (UTC) Date: Sat, 8 May 2010 21:05:57 +0000 (UTC) From: "Bjoern A. Zeeb" X-X-Sender: bz@maildrop.int.zabbadoz.net To: Weongyo Jeong In-Reply-To: <20100508200032.GB31100@weongyo> Message-ID: <20100508210455.D23815@maildrop.int.zabbadoz.net> References: <20100508200032.GB31100@weongyo> X-OpenPGP-Key: 0x14003F198FEFA3E77207EE8D2B58B8F83CCF1842 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: FreeBSD current mailing list Subject: Re: a panic on uart_z8530_class? 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: Sat, 08 May 2010 21:10:08 -0000 On Sat, 8 May 2010, Weongyo Jeong wrote: > Hello, > > Anyone encountered this panic on recent CURRENT kernel? > > [root@test ~]# uname -a > FreeBSD test 9.0-CURRENT FreeBSD 9.0-CURRENT #16: Sun May 2 00:24:12 PDT 2010 root@test:/usr/obj/usr/src/sys/GENERIC amd64 > > [root@test /home/freebsd/sys/modules/bwn]# ifconfig wlan0 create wlandev bwn0 > > Fatal trap 12: page fault while in kernel mode > cpuid = 0; apic id = 00 > fault virtual address = 0x0 > fault code = supervisor read instruction, page not present > instruction pointer = 0x20:0x0 > stack pointer = 0x28:0xffffff8073cdd810 > frame pointer = 0x28:0xffffff8073cdd8e0 > 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 = 1795 (ifconfig) > [ thread pid 1795 tid 100096 ] > Stopped at 0: *** error reading from address 0 *** > db> bt > Tracing pid 1795 tid 100096 td 0xffffff0003d8b390 > uart_z8530_class() at 0 > ifc_simple_create() at ifc_simple_create+0x89 > if_clone_createif() at if_clone_createif+0x64 > ifioctl() at ifioctl+0x685 can you give me l *ifc_simple_create+0x89 l *if_clone_createif+0x64 l *ifioctl+0x685 -- Bjoern A. Zeeb (from 21) Micky Rosa: But as we've all said, this game is about the past and the future, and tonight we forget about the past. We just focus on the future.