DVD playback slow & choppy

Kevin Kempter kevin at kevinkempterllc.com
Mon Nov 20 00:36:13 UTC 2006


On Sunday 19 November 2006 5:27 pm, Peter Gordon wrote:
> On Sun, 2006-11-19 at 16:59 -0700, Kevin Kempter wrote:
> > I tried this:# /sbin/hdparm -d 1 /dev/hdc
> >
> > /dev/hdc:
> >  setting using_dma to 1 (on)
> >  HDIO_SET_DMA failed: Operation not permitted
> >  using_dma    =  0 (off)
>
> What type of drive do you have? What IDE chipset do you have?
> (`/sbin/lspci | grep IDE`)  I'd wager that the kernel module for the
> chipset is not loaded (which would force it to revert to much slower
> PIO) but near as I can tell, every IDE driver in the stock Fedora kernel
> builds are static in the kernel image, only SATA stuff is built as
> modules.
>
> Hmm. This one will be tricky to debug, methinks...

# /sbin/lspci | grep IDE
00:1f.2 IDE interface: Intel Corporation 82801FBM (ICH6M) SATA Controller (rev 
03)




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