on Mon, 01 Dec 2003 08:50:10AM +0800, csj insinuated:
> On 30. November 2003 at 4:03PM -0800,
> John <bagdanof@comcast.net> wrote:
>
> > On Sun, Nov 30, 2003 at 05:27:46PM -0500, Nori Heikkinen wrote:
> > > i'm trying to play DVDs. i should have the hardware for it --
> > > an AMD Duron 950 MHz; an ATI rage fury pro video card; 512M of
> > > RAM. but, xine and ogle both appear to be dropping frames.
>
> Aside from the DMA issues, it's quite possible you're running the
> ATI Rage Pro using the "default" unaccelarated X video driver. To
> get hardware accelerated video you need to use "xv" (X Video
> Extension). Is xv enabled for your card? This might not be the
> case if you're using only the official Debian X packages.
>
> To check:
>
> $ xvinfo | grep -i adaptor
orange:~> xvinfo | grep -i adaptor
no adaptors present
> Xine also comes with a nice utilitly called "xine-check" which
> should give you more comprehensive diagnostics, and other likely
> suspects including MTRR (or is it MTTR?).
hm, i don't see it in apt-cache search ...
> > > that same thread also suggests that this might be a DMA issue
> > > (which VERA seems to define as "digital memory access"). how
> > > can i enable
> >
> > You are sooo close! man hdparm & enable dma on your dvd player.
>
> You can also try the echo > /proc trick:
>
> # echo using_dma:1 > /proc/ide/hdX/settings
>
> where "hdX" stands for the ide name of your presumably IDE DVD-ROM
> drive. Also works if your drive is under SCSI emulation, although I
> haven't tried this under devfs.
looks like i (a) already have this enabled for /dev/hdc (which is my
dvd device):
orange:~# hdparm /dev/hdc
/dev/hdc:
HDIO_GET_MULTCOUNT failed: Input/output error
IO_support = 1 (32-bit)
unmaskirq = 1 (on)
using_dma = 1 (on)
keepsettings = 0 (off)
readonly = 0 (off)
BLKRAGET failed: Input/output error
HDIO_GETGEO failed: Invalid argument
and, that line you suggested (at least, a version of that) seems to
already be in there:
using_dma 1 0 1 rw
hmm ...
thanks,
</nori>
--
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/V\ http://www.sccs.swarthmore.edu/~nori/jnl/
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