[mythtv-users] problems with mythtv

Jared Greenwald greenwaldjared at gmail.com
Sat Feb 24 15:20:13 UTC 2007

On 2/24/07, Stroller <linux.luser at myrealbox.com> wrote:
> On 23 Feb 2007, at 15:47, Jared Greenwald wrote:
> ...
> in an attempt to working around the transcoded image problem mentioned
> above, I tried making an ISO image for playback.  About 1/4 of the way into
> ripping, the mtd rip progress screen just closes and returns back to the
> main rip menu.  Looking through the logs, I'm getting a TON of buffer I/O
> errors coming from my DVD drive.  I've used this DVD drive for a few years,
> so its possible that its going bad, but it seems rather out of the blue.
> Has anyone else run into similar situations?
> "Buffer I/O errors" coming from optical drives are very common - I'd be
> surprised if no-one else on the list has experienced them. A comprehensive
> search of <http://www.gossamer-threads.com/lists/mythtv/users/> might be
> illuminating, although I have to confess that I'm not seeing terribly
> informative answers within the first couple of pages of search results (for
> a couple of different search terms). Possibly pasting the error message into
> Google would tell you more?
> But in order to establish that the problem is software you need to test
> with a different DVD drive & some different movies, too. DVD drives are VERY
> cheap these days, and I'd expect you can borrow one from a friend or another
> computer in your house; at a few years old I'd expect to see "dust on the
> lens" of any optical drive.
> Also, there are reports on here of recent movies which feature "copy
> protection". As I understand it they contain blank frames which a regular
> DVD player will just skip over, but which will cause a computer to
> loop indefinitely trying to read them (or something like that). This
> _sounds_ like the sort of error you _might_ see with such a movie, so it
> would be beneficial to try ripping a DVD you bought 2 or 3 years ago, in
> order to eliminate that possibility.
> Stroller.

At this point, I've tried enough movies to realize that some just won't rip
without some special intervention.  My main concern at this point is fixing
the problems with playback of rips.
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