I can create a 720MB ISO9660 image with mkisofs and mount it with "-o loop" just fine. However, after burning it to a DVD+RW, I get an error around the 700MB (after 341360 blocks, to be exact) mark with "dd". Just trying to read the files on the disc gives the same I/O error. I'm using the 2.6.3 Linux kernel. Here are the steps I did on a DVD+RW disc:
dvd+rw-format /dev/dvd growisofs -Z /dev/dvd=/tmp/cd-rZN93I.iso
cat /dvd/015-install-wall-1.avi >/dev/null cat: /dvd/015-install-wall-1.avi: Input/output error dd if=/dev/dvd of=/dev/null bs=2k 341360+0 records in 341360+0 records out 699105280 bytes transferred in 124.9 seconds (5597196 bytes/sec)
I thought perhaps it was a problem with the write, so I switched to XP (running under vmware) and could read every file on the disk. Then I used Nero to burn the same files. When I try to read this disk under Linux, I get the same problem as above even though XP can read everything is just fine. I'd say it's not a a physical or filesystem error.
Any ideas? Thanks!
Not without dvd+rw-mediainfo output for resulting recording. What most likely happens is that Linux believes that recording "capacity" is lower than it actually is. dvd+rw-format -lead-out might do the trick. If it doesn't, then just record more data. There were reports about limited playability of short recording, less than 1GB, at least in some Lite-On units... A.
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