Messages in this thread |  | | Date | Wed, 4 Sep 2002 10:55:37 -0400 | From | Benjamin LaHaise <> | Subject | Re: IDE-DVD problems [excuse former idiotic topic] |
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Have you tried commenting out the hdparm commands in the initscripts and booted with a kernel that enables DMA (instead of using hdparm -d1)?
-ben
On Tue, Sep 03, 2002 at 11:00:00PM -0700, Joseph N. Hall wrote: > Yes, DMA makes the drive completely non functional and eventually > hangs the machine after some amount of attempted use. This is > regardless of when DMA is enabled, whether via the standard > RedHat "harddiskn" mechanism or manually with hdparm. > > -joseph > > On Tue, 3 Sep 2002 22:37:57 -0700, Matthew Dharm <mdharm-kernel@one-eyed-alien.net> wrote: > > > > Have you tried enabling DMA on the drive? > > > > Matt > > > > On Tue, Sep 03, 2002 at 06:45:00PM -0700, Joseph N. Hall wrote: > > > Dear Kernel Folks, > > > > > > I am trying to determine the cause of the poor performance of a > > > an IDE DVD device on my new machine. I have an IDE Panasonic DF-210-type > > > DVD-RAM/R/ROM in a new machine with Soyo KT333 motherboard. It > > > transfers data slowly (below DVD speed), consumes large amounts of > > > system time, and slows down the user interface and even system > > > clock (which can run as slow as 1/4 speed while the drive is > > > going). > > > > > > The interrupt ERR count below seems to be mostly related to use > > > of the DVD drive. > > > > > > Maybe it's something simple. If not, I'll be glad to do further > > > work to help diagnose the problem.
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