Re: [Motion] Re: IDE corruption during heavy bt878-induced interr upt load [LKM]

joe briggs (jbriggs@briggsmedia.com)
Wed, 23 Apr 2003 18:13:46 -0400


Is this true??? Does onboard IDE controllers appear and work the same way as
IDE or PCI controllers with respect to IRQ, DMA, and memory access?

On Wednesday 23 April 2003 03:22 pm, David Brodbeck wrote:
> > -----Original Message-----
> > From: joe briggs [mailto:jbriggs@briggsmedia.com]
> >
> > I am glad that you mentioned ext3 because while I curse
> > ReiserFS, I really
> > don't think that it is part of the problem. Definately
> > PCI-dma related, but
> > does onboard IDE (i.e., my system disk) use DMA in the same
> > way that a PCI
> > adapter such as Promise does?
>
> I'm not a hardware expert, but since on-board IDE controllers usually
> appear as PCI devices to the OS, I assume they do DMA the same way.
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-- 
Joe Briggs
Briggs Media Systems
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Manchester NH 01304 USA
TEL/FAX 603-232-3115 MOBILE 603-493-2386
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