Date: Sat, 20 Aug 2005 21:33:51 -0700 From: David Syphers <dsyphers@u.washington.edu> To: Garrett Cooper <youshi10@u.washington.edu> Cc: freebsd-questions@freebsd.org Subject: Re: problems mounting a DVD Message-ID: <200508202133.52092.dsyphers@u.washington.edu> In-Reply-To: <4307D9A1.4060209@u.washington.edu> References: <200508192033.54772.dsyphers@u.washington.edu> <200508192142.12066.dsyphers@u.washington.edu> <4307D9A1.4060209@u.washington.edu>
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On Saturday 20 August 2005 06:32 pm, Garrett Cooper wrote: > David Syphers wrote: > >On Friday 19 August 2005 08:57 pm, Roshan wrote: > >>On 8/19/05, David Syphers <dsyphers@u.washington.edu> wrote: > >>>I'm trying to mount a DVD+RW disc on my DVD-ROM drive, and not > >>>succeeding. Trying either 'mount_cd9660 /dev/acd1 /cdrom1' or 'mount -t > >>>udf /dev/acd1 /cdrom1' results in an 'Input/output error'. I've never > >>>tried mounting DVDs on this drive before, but I play DVD movies on it > >>> all the time, so I assume the problem has something to do with file > >>> systems. Any ideas? > >>> > >>>Thanks, > >>> > >>>-David > >> > >>What does dmesg show at bootup ? > > > >I should have mentioned: > > > >acd1: DVDROM <TOSHIBA DVD-ROM SD-M1502/1816> at ata1-slave UDMA33 > > > >and > > > >FreeBSD yggdrasil.seektruth.org 5.4-STABLE FreeBSD 5.4-STABLE #0: Wed Jul > > 27 20:38:09 PDT 2005 > >root@yggdrasil.seektruth.org:/usr/obj/usr/src/sys/YGGDRASIL i386 > > > DVD movies do not need to be mounted; only data DVDs. Right, which is why I thought the problem is with file systems rather than the drive. > Also, the majority of data DVDs are in UDF format, so make sure that you > can mount UDF files. I should be able to. As I said, I'm running 5-STABLE, which has mount_udf. > See if you can increase the verbosity of the mount at all. yggdrasil# mount_udf -v /dev/acd1 /cdrom1 mount_udf: /dev/acd1: Device busy yggdrasil# mount_udf -v /dev/acd1 /cdrom1 mount_udf: /dev/acd1: Input/output error It doesn't seem so, unfortunately. Are there tricks to get more verbosity? When I first put the disc in the access light flashes on and off for a while, and I get the 'Device busy' error during this time. After a while the access light just stays on and I get the I/O error. (With a CD or movie DVD, the access light will flash and then turn off until something is mounted/played.) -David -- "What's the good of having mastery over cosmic balance and knowing the secrets of fate if you can't blow something up?" -Terry Pratchett
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