[luau] Creative DVD-Rom and Ogle
MonMotha
monmotha at indy.rr.com
Sat Nov 23 19:08:00 PST 2002
Grant Apgar wrote:
> Hello Everyone,
>
> Just recently I built a linux computer. The following compnents
> include:
>
> Red Hat 8.0
> Pentium 4 1.6Ghz
> PNY Geforce4 Ti 4200
> 256MB DDR Ram
> Onboard Sis Sound
> Western Digital 60GB 7200rpm Drive
> Creative Ovation 16X DVD-ROM
> Shuttle Case and Motherboard
> Ogle DVD Player
>
> The problem is when any Dvd movie plays it gets choppy. It plays for
> 2-3 seconds then hangs for 1 sec. While it hangs the green light goes
> brightens. Then dims letting the movie continue. Is this a problem with
> SCSI emulation? Not enought memory? A buffer problem? It's like
> streaming a movie and the buffer overflows.
>
> P.S. On a Sony VIAO FXA36 the same OS and Ogle works fine, but the dvd
> is SCSI.
The problem is probably that your DVD drive is stuck in PIO mode. I
know RedHat's kernel has the only enable DMA on disks option set, so DMA
won't get enabled on ATAPI devices. I know there's a kernel option to
work around this, or you can use hdparm -d1 /dev/hdX. However this may
not work if you are using SCSI emulation (why? is this also a burner?)
--MonMotha
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