On Sun, Jan 09, 2000 at 06:04:24PM -0500, Jens Axboe wrote:
> On Sun, Jan 09 2000, Stanislav Malyshev wrote:
> > The CD is SAMSUNG SC-140F.
>
> The Red Hat supplied kernel doesn't utilize DMA per default, AFAIK.
> It looks as if you are using DMA with 2.2.14, and that is probably
> what makes the difference. Have you tried switching DMA on or off?
> Did that change anything?
>
I think you will find it is DMA on the samsung, I have a 2304 (I think,
its not plugged in at the moment) which always had major corruption
when DMA was enabled. Under windows the CDROM hardly operated at
all when DMA was activated approx 50% of the time the machine
would lock. These problems dont appear to affect my DVD drive
making me thing the cd drive is at fault. It works perfectly
when DMA is disabled though.
Graeme
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