On Sat, Sep 15, 2012 at 8:40 AM, Matt Graham wrote: > From: Dazed_75 > > I was able to "dd if=/dev/sr0 of=/dev/null bs=1M count=5" as you > > suggested so I did the whole thing with of=japanese.iso and tried > > mounting that with Archive Mounter with no success > > It's definitely a data DVD of some type, then. > > > Lastly I used hd [to write] some of it to a file > > The strings in the file say that it was supposed to be UDF. However, if > you > try to mount it as UDF, it says something like "can't find a superblock at > the > end of the image". If it's supposed to be UDF, then the first thing I'd > try > is to dd the whole thing to a file, then run fsck.udf on that file, and > see if > that can reconstruct the superblock or at least make the first few VOB > files > readable. Note that the fsck you need may be called udffsck, and it might > not > be installed. The fsck for UDF should be available on all distros. > I could not find it anywhere While searchung Synaptic for it I did fins dares and dares-qt. It found 53 files and built a recover.iso but that does di not seem to be helpful either. > > It may also be that it was burned as a multisession DVD and never fixated, > or > it had 2 sessions and the second session was messed up. "cdrecord -toc > dev=/dev/scd0" will tell you how many sessions it has. > larry@hammerhead:cdrecord -toc dev=/dev/sr0 Device type : Removable CD-ROM Version : 5 Response Format: 2 Capabilities : Vendor_info : 'HL-DT-ST' Identification : 'DVDRAM GH22NS50 ' Revision : 'TN02' Device seems to be: Generic mmc2 DVD-R/DVD-RW. Using generic SCSI-3/mmc DVD-R(W) driver (mmc_mdvd). Driver flags : SWABAUDIO BURNFREE Supported modes: PACKET SAO first: 1 last 1 track: 1 lba: 0 ( 0) 00:02:00 adr: 1 control: 4 mode: -1 track:lout lba: 1989840 ( 7959360) -1:59:74 adr: 1 control: 4 mode: -1 larry@hammerhead: Me, I don't see anything helpful there. If it were made as mult-session, only one session recorded and it was never finalized, what would I expect to see? More sessions? I don't see any indication. > > try to get some details from her brother about how he > > made it. I doubt that she will be able to. > > If the DVD is damaged at the very edge, where the fs said it was looking > for > the superblock, or there's multisession oddness going on, that could cause > the > problems you reported. > > -- > Matt G / Dances With Crows > The Crow202 Blog: http://crow202.org/wordpress/ > There is no Darkness in Eternity/But only Light too dim for us to see > > > > On Thu, Sep 13, 2012 at 8:02 AM, Matt Graham > wrote: > > > > > > > > Are you sure this is actually a DVD, and not something weird like a > > > DVD-sized > > > SVCD? All the DVDs I've seen and heard about can be mounted as either > > > iso9660 > > > or udf. Can you do something like "dd if=/dev/sr0 of=/dev/null bs=1M > > > count=5" > > > and not get an I/O error? That command should error out on something > like > > > an > > > SVCD that doesn't have 2048-byte sectors. If dd'ing the first few M > > > actually > > > works, then the filesystem on the DVD is probably messed up in some way > > > that > > > this old player can handle, but other things can't. > > > > > > If this is a VCD-like thing, then vcdxrip may be able to get the video > > > stream > > > off the device, and mplayer can play VCDs. > > > > > > > larry@hammerhead:~$ regionset /dev/sr0 > > > > drive plays discs from region(s):, mask=0xFF > > > > So I think you are right that yours was not set for any region as was > > > mine > > > > > > Then it's probably not region problems. > > > > > > -- > > > Matt G / Dances With Crows > > > The Crow202 Blog: http://crow202.org/wordpress/ > > > There is no Darkness in Eternity/But only Light too dim for us to see > > > > > > --------------------------------------------------- > > > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > > > To subscribe, unsubscribe, or to change your mail settings: > > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > > > > > > > > > > -- > > Dazed_75 a.k.a. Larry > > > > Please protect my address like I protect yours. When sending messages to > > multiple recipients, always use the BCC: (Blind carbon copy) and not To: > or > > CC:. Remove all addresses from the message body before sending a > Forwarded > > message. This can prevent spy programs capturing addresses from the > > recipient list and message body. > > > > > --------------------------------------------- > > Attachment: jdump.txt > > MIME Type: text/plain > > --------------------------------------------- > > --------------------------------------------------- > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > To subscribe, unsubscribe, or to change your mail settings: > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > -- Dazed_75 a.k.a. Larry Please protect my address like I protect yours. When sending messages to multiple recipients, always use the BCC: (Blind carbon copy) and not To: or CC:. Remove all addresses from the message body before sending a Forwarded message. This can prevent spy programs capturing addresses from the recipient list and message body.