On Tue, Jun 19, 2001 at 05:11:23PM -0400, Jesus Molina wrote:
> I am using an ebsa285 in add-in mode to access a IDE hard disk. This IDE
> hard disk is also accessed by the host processor (pentium3 running linux).
> I am able to acces the PCI, and to access the IDE hard disk if I change
> the interrupt from the command line, but:
I would strongly advise against this - its a recipe for total disaster.
There will be no arbitration between the two processors for the IDE
interface, and two requests going to the drive at the same time could
cause any number of weird effects, maybe even data corruption.
If you want to do this, then you need a communication path between
both processors that locks one out while the other is accessing it.
> why this change in the geometry?
The host has got the geometry from the BIOS, rather than the disk.
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