[Bug 42023] Re: attempt to access beyond end of device on DVD

[Lars Westerhoff]

I had the same problem when trying to read from DVD-ROM (so no
recordable), also at the 4GB border:

[10513.644000] attempt to access beyond end of device
[10513.644000] hdb: rw=0, want=16328340, limit=8388604
[10513.644000] Buffer I/O error on device hdb, logical block 4082084
(see complete log in attachment)

The problem vanished after stopping the packet writing tools
sudo /etc/init.d/udftools stop

So I suspect it has something to do with udftools. I also noticed that
when writing DVD-RAMs with packet writing this silently fails (i.e. I do
not get an I/O error at the prompt, but md5sum of written file reveals
that it wasn't written correctly, there are also errors in dmesg in this
case. Sorry, I don't have a log currently).


** Attachment added: "dmesg.log"
   http://launchpadlibrarian.net/12688854/dmesg.log

** Also affects: udftools (Ubuntu)
   Importance: Undecided
       Status: New

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attempt to access beyond end of device on DVD
https://bugs.launchpad.net/bugs/42023
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