Re: [gentoo-user] Re: DVD Movie backups

[Peter Humphrey <peter@humphrey.ukfsn.org>]

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On Saturday 17 December 2011 21:19:27 Michael Mol wrote:
> On Sat, Dec 17, 2011 at 3:09 PM, walt <w41ter@gmail.com> wrote:
> > On 12/17/2011 03:26 AM, Peter Humphrey wrote:
> >> Do you know of any way to read a DVD that was created on a Mac of 
some
> >> sort?
> > 
> > I'm fuzzy on the details, but Apple has/had its own filesystems named
> > HFS and HFSplus.  I'm guessing that data disks burned with a Mac will
> > use HFS, but I don't know about movie/audio disks.  You can enable HFS
> > support in kernel menuconfig.
> 
> The dead-easy way to tell would be to insert the disc, and then run
> 
> file -s /dev/cdrom
> 
> (or /dev/dvd, or /dev/sr0, or /dev/whatever...)

I got this:
$ sudo file -s /dev/sr0
/dev/sr0: ERROR: cannot read `/dev/sr0' (Input/output error)

So I recompiled the kernel to include both hfs and hfsplus and got the same 
after booting with the new kernel and loading the modules.

Dmesg had this:
$ dmesg | tail
[...]
[  208.369492] sr 2:0:0:0: [sr0]  Result: hostbyte=DID_OK 
driverbyte=DRIVER_SENSE
[  208.369495] sr 2:0:0:0: [sr0]  Sense Key : Illegal Request [current] 
[  208.369497] sr 2:0:0:0: [sr0]  Add. Sense: Illegal mode for this track
[  208.369501] sr 2:0:0:0: [sr0] CDB: Read(10): 28 00 00 00 00 10 00 00 01 
00
[  208.369505] end_request: I/O error, dev sr0, sector 64
[  208.369516] isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, 
block=16

The DVD is mostly wedding photos, with an audio track thrown in. Maybe it 
wasn't written on a Mac, but I'd be surprised if so.

I'm stuck now. Thanks both for your help so far.

-- 
Rgds
Peter		Linux Counter 5290, 1994-04-23

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