On Sat, Jun 14, 2008 at 05:52:31AM +0200, Michael Schmitz wrote:
> >I seem to recall that it's actually the IOP core itself that gets
> >confused. I don't have a Q950, and the code seems to be fine on a
> >IIfx (which is what was used in the original work). What we should
> >probably do is actually implement the IOP watchdog handling and
> >reset the thing if it crashes on us. There are some bits and pieces
> >of it already in the code.
>
> Sounds like the box would be pretty useless with crashed IOP (doesn't this
> component also handle SCSI DMA?) so a watchdog/reset would be preferred.
> Can we actually reset the IOP without deadlocking SCSI or interrupts?
No, the SCSI doesn't have anything to do with the IOPs. The IOP with the
ADB also handles the floppy drives, but nothing else. There is another
IOP that handles the serial ports.
Brad Boyer
[EMAIL PROTECTED]
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