[mythtv-users] OT: ic7-g ide DMA w/DVD-ROM?
Jesse Guardiani
jesse at wingnet.net
Fri Apr 7 22:47:35 UTC 2006
On Friday 07 April 2006 4:54 pm, Boleslaw Ciesielski wrote:
> Jesse Guardiani wrote:
> > Hello,
> >
> > I recently purchased an ic7-g motherboard for use with MythTV.
> > There are only two things that don't seem to work on it:
> >
> > 1.) SPDIF pass-through
> > 2.) DMA on IDE for DVD-ROM drive
> >
> > I'd like to fix both of these, but I'm most concerned about the DMA
> > issue right now because I don't have a spare PCI IDE card laying around.
> > The mobo is running the latest BIOS from 2004, and I've tried a
> > known good DVD drive from another machine with the same bad results.
> >
> > I've read the howto here:
> > http://www.tldp.org/HOWTO/html_single/DVD-Playback-HOWTO/#dmatrouble
> >
> > And I'm consistently getting:
> >
> > /dev/hda:
> > setting using_dma to 1 (on)
> > HDIO_SET_DMA failed: Operation not permitted
> > using_dma = 0 (off)
>
> I am running FC4 on IC7-G and DMA seems to work with two different DVD
> drives. But I don't use the drives a whole lot, so who knows what's
> broken...
>
> $ hdparm -d /dev/hdc
>
> /dev/hdc:
> using_dma = 1 (on)
> $ hdparm -d /dev/hdd
>
> /dev/hdd:
> using_dma = 1 (on)
> $
> $ uname -a
> Linux pilot 2.6.15-1.1831_FC4smp #1 SMP Tue Feb 7 13:48:31 EST 2006 i686
> i686 i386 GNU/Linux
Interesting. Which BIOS revision?
I bought a PCI IDE card and I'll be trying that tonight. Still, I can always
give it back if I can get this working.
I wonder if you have something enabled in your kernel that I don't?
Mind sending me your /proc/config.gz off list?
Thanks!
--
Jesse Guardiani
Programmer/Sys Admin
jesse at wingnet.net
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