Re: ISA Sound cards cause machine death

[Chris Gilbert <chris%paradox.demon.co.uk@localhost>]

On Thursday 14 February 2002 12:12 am, Richard Earnshaw wrote:
> > > Another idea is that we sometime poke some invalid address in PCI
> > > space. According to my 21285 data sheet that might not abort, but could
> > > well stall for a long time.  If that is the case, then it's going to be
> > > a pig to track down.
> >
> > We might be, but I'd have hoped that we'd eventually come back from
> > there.
>
> Not necessarily, particularly if there is an interrupt that isn't being
> cleared properly as a result.  It might be that the timeout leave so much
> in a mess (missed DMA transfers etc) that we never really get out of
> servicing interrupts.

Which pretty much leaves us with the only way to find out being a code 
review.  I'll start looking this weekend, means I'll know more about that 
area of code than I currently do 8)

Cheers,
Chris