[Fwd: Re: libata and legacy ide pcmcia failure]

[Robert de Rooy]

Oops had done a reply instead of a reply to all...

> --- Begin Message ---
> Albert Lee wrote:
> > The patch just workarounds the "lost irq" problem by polling; not real
> > fix. We still need to find out why irq is lost per Mark's comment:
> >
> > "This proves that the device does work correctly in most respects
> > except for interrupt delivery.  The status bits are working and
> > it can be probed for, configured, and used."
> >
> > "So, next step might be to try and understand the interrupt mis-delivery
> > problem some more.   I've lost the history of the original issue,
> > but we now know that everything except the actual interrupt seems good."
> >
> > I am not familiar with the PCMCIA interrupt delivery. It seems the
> > "Dazzle 4in1 Card Adapter" works under windows but somehow lost irq
> > under both IDE and libata. Maybe Alan/Bart or the PCMCIA developers
> > know better...
> > --
> > albert
>
> I see. So this is not the ideal fix for this problem. Anything else I 
> can do to debug the irq lost issue? perhaps add some debug to the pcmcia 
> code?
>
> For what its worth, I compiled a clean 2.6.22-rc5 with just the 
> pio_polling patch added, and that allows me to mount the device without 
> any errors in syslog. So the 
> disable-dev_init_param-and-setxfermode-for-CFA.patch is not needed.
>
>
>
> --- End Message ---