From owner-freebsd-stable Fri Dec 21 6:36:33 2001 Delivered-To: freebsd-stable@freebsd.org Received: from tomts10-srv.bellnexxia.net (tomts10.bellnexxia.net [209.226.175.54]) by hub.freebsd.org (Postfix) with ESMTP id 9FC7137B405 for ; Fri, 21 Dec 2001 06:36:24 -0800 (PST) Received: from xena.gsicomp.on.ca ([199.243.148.182]) by tomts10-srv.bellnexxia.net (InterMail vM.4.01.03.16 201-229-121-116-20010115) with ESMTP id <20011221143623.IFXR26017.tomts10-srv.bellnexxia.net@xena.gsicomp.on.ca>; Fri, 21 Dec 2001 09:36:23 -0500 Received: from localhost (matt@localhost) by xena.gsicomp.on.ca (8.11.1/8.11.1) with ESMTP id fBLEQMv03450; Fri, 21 Dec 2001 09:26:22 -0500 (EST) (envelope-from matt@xena.gsicomp.on.ca) Date: Fri, 21 Dec 2001 09:26:21 -0500 (EST) From: Matthew Emmerton To: Ross Lippert Cc: freebsd-stable@FreeBSD.ORG Subject: Re: DVD kills system In-Reply-To: <200112211404.GAA26213@eskimo.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I thought that DVDs used a different filesystem format (UDF) than regular CDs (ISO9660). If this is true, then what you're probably seeing is "correct" behaviour - the ISO9660 code is reading stuff from the CD that is nonsensical (in an ISO9660 context) and it's crashing - hard. -- Matthew Emmerton || matt@gsicomp.on.ca GSI Computer Services || http://www.gsicomp.on.ca On Fri, 21 Dec 2001, Ross Lippert wrote: > > This is the first time I have used my DVD player on a DVD and not > a CD. On CDs there has never been a problem. However, I put in > a DVD movie disk, mount it > > mount -o nosuid,nodev -t cd9660 /dev/acd0c /dvdrom > > and then > > cd /dvdrom/video_ts > > ls > which works, but then > > file * > kills me. It gives output for a couple files, then hangs for a little bit > and then -- ka-boom! reboot! > > Pretty frightening when a read operation on a filesystem can do that. > It happened twice in a row for the two times I tried it, so, by induction, > I think it will consistently happen, though I am reluctant to try this > often. > > Looking at /var/log/messages gives me no clue at all. Is there another > log which would be more disagnostic for this? > > I don't have another DVD to try this out with, currently. > > Should I just wipe the fuzz off and try again? > > Attached is my dmesg. > > > -r > Copyright (c) 1992-2001 The FreeBSD Project. > Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 > The Regents of the University of California. All rights reserved. > FreeBSD 4.4-RELEASE #0: Sat Oct 20 12:46:09 EDT 2001 > root@:/usr/src/sys/compile/MYBSD > Timecounter "i8254" frequency 1193182 Hz > CPU: AMD Athlon(tm) Processor (908.09-MHz 686-class CPU) > Origin = "AuthenticAMD" Id = 0x642 Stepping = 2 > Features=0x183f9ff T,PSE36,MMX,FXSR> > AMD Features=0xc0440000<,AMIE,DSP,3DNow!> > real memory = 268353536 (262064K bytes) > avail memory = 256348160 (250340K bytes) > Preloaded elf kernel "kernel" at 0xc04d4000. > Pentium Pro MTRR support enabled > md0: Malloc disk > Using $PIR table, 9 entries at 0xc00f1720 > npx0: on motherboard > npx0: INT 16 interface > pcib0: on motherboard > pci0: on pcib0 > pcib2: at device 1.0 on pci0 > pci1: on pcib2 > isab0: at device 4.0 on pci0 > isa0: on isab0 > atapci0: port 0xd800-0xd80f at device 4.1 on pci0 > ata0: at 0x1f0 irq 14 on atapci0 > ata1: at 0x170 irq 15 on atapci0 > uhci0: port 0xd400-0xd41f irq 9 at device 4.2 on pci > 0 > usb0: on uhci0 > usb0: USB revision 1.0 > uhub0: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 > uhub0: 2 ports with 2 removable, self powered > uhci1: port 0xd000-0xd01f irq 9 at device 4.3 on pci > 0 > usb1: on uhci1 > usb1: USB revision 1.0 > uhub1: VIA UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 > uhub1: 2 ports with 2 removable, self powered > pci0: at 10.0 irq 5 > pcm0: port 0xa400-0xa43f irq 10 at device 11.0 on pci0 > xl0: <3Com 3c905-TX Fast Etherlink XL> port 0xa000-0xa03f irq 11 at device 12.0 > on pci0 > xl0: Ethernet address: 00:10:4b:29:28:9e > miibus0: on xl0 > nsphy0: on miibus0 > nsphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto > ahc0: port 0x9800-0x98ff mem 0xe1800 > 000-0xe1800fff irq 9 at device 13.0 on pci0 > aic7850: Single Channel A, SCSI Id=7, 3/255 SCBs > atapci1: port 0x8000-0x803f,0x8400-0x8403,0x8800-0x8 > 807,0x9000-0x9003,0x9400-0x9407 mem 0xe1000000-0xe101ffff irq 10 at device 17.0 > on pci0 > ata2: at 0x9400 on atapci1 > ata3: at 0x8800 on atapci1 > pcib1: on motherboard > pci2: on pcib1 > orm0: