I try to change atapi_dma to "1" but it doesn't work (It was " Re: ATI Radeon IGP340M")

[Juan Rodriguez Hervella]

On Wednesday 08 October 2003 06:25, jason wrote:
> Use hw.ata.atapi.dma="x"  for atapi devices(cdroms and dvdroms).  Drop
> that atapi for hard drives.  Here x = 0-6 at speeds of 16.7, 25, 33.3,
> 44.4, 66.7, 100, 133.  Mode 6 only works on select drives, like mators,
> with a board that supports, like an nforce.  Most cdroms should not be
> more than a mode 2.  Thats for a 52x where 52x150kb/s=7800kb/s=7.6mb/s
> max transfer.  My liteon supports 33.3mb/s tranfers, and I use that mode
> but it is no real avantage over mode 0 or 1.  Dvds use 1250kb/s as their
> x value, so a 8x dvd would need 8x1250kb/s=10000kb/s=9.8mb/s.  So just
> cut and paste this in the loader.conf file.

What's "this" ?

I've already tried hw.ata.atapi.dma="1".... are you telling
me that I should try a higer value ? It doesn't bother me to
reboot 6 times if necessary, but I'm not ond of it *wink* :)

Cheers and thanks!



>
> Juan Rodriguez Hervella wrote:
> >On Monday 06 October 2003 19:49, Mike Silbersack wrote:
> >>On Mon, 6 Oct 2003, Juan Rodriguez Hervella wrote:
> >>>Thank you very much.
> >>>
> >>>It's working. I've tried to play a DVD using "ogle", but
> >>>it doesn't work very well, the movement isn't steady....I've got
> >>>a friend with the same laptop using Linux and he tells me it works
> >>>nice.....so I guess it's a FreeBSD performance problem....*sigh*
> >>>
> >>>Thank you anyway.
> >>>
> >>>--
> >>>JFRH
> >>
> >>FreeBSD doesn't enable DMA access to CD/DVD drives by default, that may
> >> be part of the problem; try enabling atapi_dma (see the ata manpage),
> >> that might help.
> >>
> >>Mike "Silby" Silbersack
> >
> >I've tried both atapi_dma="1" in "loader.conf" and "atacontrol mode 1
> > udma100 XXX" but when I attempt to access the device, it hangs up.
> >
> >I copy a "dmesg" if this can help. Look at the end there are some error
> >messages related to ATA....

-- 
JFRH