Re: 2.1.111: IDE DMA disabled?

Mark Lord (
Wed, 29 Jul 1998 07:29:47 -0400


Does this mean your system has an "IDE DMA corruption problem"?

If so, then *please* tell me all of the gory details.



The (ex-)Linux IDE guy

Doug Ledford wrote: > > Mark Lord wrote: > > > That's from the IDE (ATA) specs. 18" max. > > > > The timings with DMA are *identical* to the timings with PIO, > > so if it fails with DMA, it will fail with PIO as well. > > > > Removing DMA from the kernel solves nothing there. > > As per Linus' comment in another email, it does make a difference, it not in > the cable timings, then in other timings relating to the transfer. Probably > not the least of which is memory congestion. In any case, it does make a > difference. > > -- > > Doug Ledford <> > Opinions expressed are my own, but > they should be everybody's.

The (ex-)Linux IDE guy

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