https://bugzilla.novell.com/show_bug.cgi?id=467174
User jack@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=467174#c29
--- Comment #29 from Jan Kara 2009-03-04 03:30:48 MST ---
UDF has something which is called "anchor block". Essentially it plays role of
superblock. The problem with this block is that it can be on several places in
the media and it depends on the creator of the media which position he chooses.
Furthermore some of these positions are relative to the end of the media
(recorded area) and some drives misreport size of this area. OpenSuse 11.1 is
different from OpenSUSE10.3 in the fact that it checks some more placements of
anchor block (previously we were missing some places required by the standard)
and we check even some more to compensate for drives reporting recorded area
wrongly. I guess some of these places are what makes problem to your media.
I'll attach here a debug patch that will report which blocks we are trying (and
what recorded size the drive reports). Please try a kernel with this patch
applied and send me the resulting kernel messages. I'll have a look whether we
can somehow reasonably workaround problems your drive has.
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