Date: Thu, 3 May 2007 15:18:16 -0500 (CDT) From: "Sean C. Farley" <sean-freebsd@farley.org> To: Ulrich Spoerlein <uspoerlein@gmail.com> Cc: stable@freebsd.org Subject: Re: FreeBSD vs Region Code DVDs Message-ID: <20070503150931.G35420@thor.farley.org> In-Reply-To: <20070503181646.GA1527@roadrunner.q.local> References: <20070503181646.GA1527@roadrunner.q.local>
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On Thu, 3 May 2007, Ulrich Spoerlein wrote: > Hi all, > > I'm having a hard time getting my external (USB, Firewire) Plextor > PX-755UF to read any retail DVDs at all. I can read any kind of CDs > and also DVD-Rs. But mastered DVDs are invisible to FreeBSD. > > I can not even read a single sector from such a DVD with the external > drive, but it's working just fine with the internal one. It's really > driving me nuts. <snip> > The NEC drive can read DVDs just fine (although it sucks). > > % recoverdisk /dev/cd1 > start size len state done remaining % done > 0 1048576 7411912704 0 0 7411912704 0.0000000^C > (130)% recoverdisk /dev/cd0 > recoverdisk: DIOCGMEDIASIZE failed: No such file or directory > (1)% dd if=/dev/cd0 bs=2048 > 0+0 records in > 0+0 records out > 0 bytes transferred in 0.000093 secs (0 bytes/sec) > > If I attach the device via Firewire, it's just the same. Perhaps it > requires some sort of quirk? Where should I start looking for debug > output? Which test should I run. Any help would be greatly > appreciated. I had an issue with ripping some DVD's to my laptop before a trip I made (note: no distribution occurred (for the lawyers :))). I wanted to just use dd to do it, but dd would fail after a small amount of data was read. If I first played a little of the DVD with mplayer, then dd would work afterwards. It probably had something to do with mplayer whispering sweet nothings to the DVD player. Sean -- sean-freebsd@farley.org
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