DVD/CD reading issues with -CURRENT from 2004-06-27

[Ariff Abdullah]

On Sun, 11 Jul 2004 22:12:44 -0700
"Kevin Oberman" <oberman at es.net> wrote:

> > From: Justin Hibbits <jrh29 at po.cwru.edu>
> > Date: Sat, 10 Jul 2004 20:05:15 -0400
> > Sender: owner-freebsd-current at freebsd.org
> > 
> > Hi,
> > 
> > I updated to -CURRENT a couple weeks ago, for various reasons, from 
> > 5.2.1, but now DVD and CD reading is flaking out.  When trying to
> > play DVDs with mplayer, they stop after a random amount of time,
> > probably after reading a complete buffer.  With 'dd', trying to
> > create iso images of CDs, it stops after a random amount of data is
> > copied.  Attached is the backtrace of a 'dd' run.
> > 
> > Specs of the system:
> > 
> > 5.2-CURRENT as of 2004-06-27
> > Athlon XP 1800+
> > ASUS A7V266-E/A motherboard (VIA KT-266 chipset)
> > 
> > The 2 drives I tested are:
> > iomega Zip-CD CD-RW drive (acd0)
> > Toshiba DVD-ROM (acd1)
> > 
> > Any more info required, just ask.
> > 
> > Additional, I'm not on the list, so if you could CC me, that'd be 
> > great, otherwise, I'll just check the archives.
> 
> I reported this a couple of weeks ago. I had not used the drive
> heavily for a while, so I don't know exactly when the problem started.
> I have discovered that accessing the drive again (another mplayer)
> will release the drive. I suspect that an interrupt may be getting
> lost, but I'm far from sure.
>

My trick is, to include atapicam support in kernel and access the cdrom
using /dev/cd0 instead of /dev/acd0 .

mplayer dvd://1 -dvd-device /dev/cd0 etc.


--

Ariff Abdullah
MyBSD

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