From owner-freebsd-usb@FreeBSD.ORG Mon Dec 31 16:53:31 2007 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C71AD16A418 for ; Mon, 31 Dec 2007 16:53:31 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [205.211.164.50]) by mx1.freebsd.org (Postfix) with ESMTP id 715DF13C442 for ; Mon, 31 Dec 2007 16:53:31 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost2.sentex.ca (8.14.1/8.13.8) with ESMTP id lBVGrTCh099084; Mon, 31 Dec 2007 11:53:29 -0500 (EST) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.8/8.13.3) with ESMTP id lBVGrSmr093171 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 31 Dec 2007 11:53:29 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <200712311653.lBVGrSmr093171@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Mon, 31 Dec 2007 11:51:34 -0500 To: Mario Sergio Fujikawa Ferreira , freebsd-usb@freebsd.org From: Mike Tancsa In-Reply-To: <200712311613.lBVGD7tG092983@lava.sentex.ca> References: <4778E109.2060209@uol.com.br> <200712311613.lBVGD7tG092983@lava.sentex.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Cc: Subject: Re: RFC: ugensa(4) driver ported from NetBSD X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 31 Dec 2007 16:53:31 -0000 At 11:11 AM 12/31/2007, Mike Tancsa wrote: >At 07:31 AM 12/31/2007, Mario Sergio Fujikawa Ferreira wrote: >>Hi, >> >> I wrote a simple port of the NetBSD ugensa(4) driver: USB >> generic serial adapter >> >>http://www.daemon-systems.org/man/ugensa.4.html >> >> I would like for you to review the "ported" kernel module. The >> file can be found at > Some more details Fatal trap 12: page fault while in kernel mode fault virtual address = 0x4 fault code = supervisor read, page not present instruction pointer = 0x20:0xc04eb6d3 stack pointer = 0x28:0xcc5ae958 frame pointer = 0x28:0xcc5ae988 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 847 (cu) [thread pid 847 tid 100062 ] Stopped at usbd_open_pipe_ival+0x13: movl 0x4(%eax),%eax db> bt Tracing pid 847 tid 100062 td 0xc1dfc210 usbd_open_pipe_ival(c1d74390,ffffffff,cc5ae9bc,c04de072,0,...) at usbd_open_pipe_ival+0x13 usbd_open_pipe(0,85,0,c1d74390,c1d7a800,...) at usbd_open_pipe+0x24 ucomopen(c1d7a800,c1d76400,0,c2346dd0,cc5ae9f4,...) at ucomopen+0xa2 ttyopen(c1d76400,7,2000,c1dfc210,0,...) at ttyopen+0x286 giant_open(c1d76400,7,2000,c1dfc210,cc5aea50,...) at giant_open+0x73 devfs_open(cc5aea8c,cc5aeb1c,c05ca5a7,c074dbe0,cc5aea8c,...) at devfs_open+0x21f VOP_OPEN_APV(c074dbe0,cc5aea8c,cc5aea84,c1dadaa0,c2346dd0,...) at VOP_OPEN_APV+0x42 vn_open_cred(cc5aeb80,cc5aec78,94c,c22ba800,c1e2a750,...) at vn_open_cred+0x487 vn_open(cc5aeb80,cc5aec78,94c,c1e2a750,c22ba800,...) at vn_open+0x33 kern_open(c1dfc210,bfbfed56,0,7,bfbfeb4c,...) at kern_open+0xc4 open(c1dfc210,cc5aecfc,c,16,cc5aed2c,...) at open+0x30 syscall(cc5aed38) at syscall+0x317 Xint0x80_syscall() at Xint0x80_syscall+0x20 --- syscall (5, FreeBSD ELF32, open), eip = 0x28145f1b, esp = 0xbfbfeb3c, ebp = 0xbfbfeb88 ---