[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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