[PLUG] Promise pdc20246 dma issues...

[Michael C. Robinson]

This looks like the solution if I go the modular route.  I went the
compiled in route so I don't have to have an initrd.  I'm having to
manually do an hdparm -d 0 /dev/hdg every boot.

On Fri, 2011-02-11 at 08:29 -0800, Nathan W wrote:
> i recently had to turn dma off for my wlan... not sure if an ide 
> controller's going to take the same approach, so ymmv. somehow showing 
> sounds easier than trying to explain in english this early...
> 
> [nathwill at asgard ~]$ cd /etc/modprobe.d/
> [nathwill at asgard modprobe.d]$ cat openfwwf.conf
> options b43 nohwcrypt=1 qos=0 pio=1
> 
> so the "pio=1" bit in that options line for the device module is what 
> got my system to quit griping about dma errors. i'm running fedora 14 
> fwiw. g'luck.
> 
> On 02/10/2011 08:10 PM, Michael C. Robinson wrote:
> > I'm on an LFS 6.6 system.  I found out using hdparm to turn dma off that
> > the errors I've been getting from the Promise Ultra66 card go away.  How
> > do I make the change permanent?