On Sat, Aug 03, 2002 at 04:34:12PM +0200, Olivier Hochreutiner wrote: > Hi, > > I managed to install Woody on my Sun Blade 100 and it works well. > There is only a small thing I would like to fix : when the DMA mode is > enabled I sometime get some errors when I try to read something on a > CD-ROM with the DVD-ROM drive of my Blade. To avoid this problem I have > to boot with the option "ide=nodma" but the performance loss is quite > big. > So is there a way to disable the DMA only for the DVD drive without > affecting the hard drive ? > Note that I use kernel 2.4.19rc3 (the problem is the same with kernel > 2.4.18) but I did not try any 2.5.x version.
does "hdc=nodma" work? Either that or use hdparm (doesn't require reboot). -- Debian - http://www.debian.org/ Linux 1394 - http://linux1394.sourceforge.net/ Subversion - http://subversion.tigris.org/ Deqo - http://www.deqo.com/

