From owner-freebsd-current@FreeBSD.ORG Wed Aug 27 11:59:13 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D574C16A4BF for ; Wed, 27 Aug 2003 11:59:13 -0700 (PDT) Received: from alpha.siliconlandmark.com (alpha.siliconlandmark.com [209.69.98.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id 47CDD43FD7 for ; Wed, 27 Aug 2003 11:59:12 -0700 (PDT) (envelope-from andy@siliconlandmark.com) Received: from alpha.siliconlandmark.com (localhost [127.0.0.1]) h7RIwp3k000496; Wed, 27 Aug 2003 14:58:51 -0400 (EDT) (envelope-from andy@siliconlandmark.com) Received: from localhost (andy@localhost)h7RIwp5p000493; Wed, 27 Aug 2003 14:58:51 -0400 (EDT) (envelope-from andy@siliconlandmark.com) X-Authentication-Warning: alpha.siliconlandmark.com: andy owned process doing -bs Date: Wed, 27 Aug 2003 14:58:51 -0400 (EDT) From: Andre Guibert de Bruet To: Lee Damon In-Reply-To: <200308271755.h7RHt5nx043212@castle.org> Message-ID: <20030827145635.D452@alpha.siliconlandmark.com> References: <200308271755.h7RHt5nx043212@castle.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean cc: current@freebsd.org Subject: Re: recent 5.1-CURRENT kernel panics on acd0 probe/attach, IBM T30 laptop X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Wed, 27 Aug 2003 18:59:14 -0000 On Wed, 27 Aug 2003, Lee Damon wrote: > : || tylendel.castle.org [10] ; uname -a > FreeBSD tylendel.castle.org 5.1-CURRENT FreeBSD 5.1-CURRENT #38: Wed Aug 27 09:05:21 PDT 2003 root@tylendel.castle.org:/users/FreeBSD-5.0/obj/users/FreeBSD-5.0/src/sys/TYLENDEL i386 > > The kernel I compiled on 20 AUG recognizes acd0 and loggs the following: > > Aug 27 08:24:10 tylendel kernel: acd0: CD-RW at ata1-master U > DMA33 > Aug 27 08:24:10 tylendel kernel: cd0 at ata1 bus 0 target 0 lun 0 > Aug 27 08:24:10 tylendel kernel: cd0: Removable > CD-ROM SCSI-0 device > Aug 27 08:24:10 tylendel kernel: cd0: 33.000MB/s transfers > Aug 27 08:24:10 tylendel kernel: cd0: Attempt to query device size failed: NOT R > EADY, Medium not present - tray closed > > However, kernels compiled since Monday's SUP get as far as the initial > discovery of the acd0 device and then panic with: > > fatal trap 12: page fault while in kernel mode > fault virtual address = 0x0 > fault code = supervisor write, page not present > instruction pointer = 0x8 :0xc015ca8e > stack pointer = 0x10 :0xdd79aaac > frame pointer = 0x10 :0xdd79aab8 > code segment = base 0x0, limit 0xfffff, type 0x1b > = DPL 0, pres 1, def 32 1, gran 1 > processor eflags = interrupt enabled, resume, IOPL=0 > current process = 19 (swi 3: cambio) > kernel: type 12 trap, code=0 > Stopped at free_hcb+0x2e: mov1 %eax,0(xedx) > > When I remove the DVD/CDRW from the system it boots. Try booting with an ISO 9660 image in the drive. Does it make any difference? I've spotted this behavior with a brand-new SONY DRU-510A (Version "BA"). Regards, > Andre Guibert de Bruet | Enterprise Software Consultant > > Silicon Landmark, LLC. | http://siliconlandmark.com/ >