On Wed, 2006-02-15 at 16:07 +0100, Folkert van Heusden wrote:
>
> So it seems it switches back to pio somewhere in time.
>
> But on the other hand: shouldn't pio run ok as well without softlockup
> errors?
AFAICT in PIO mode if a huge IO request is submitted and/or the device
is slow to respond there's nothing to prevent us spending a long time in
the IDE driver.
IIRC this can't be made preemptible due to data corruption issues on
some hardware. Maybe we should touch the watchdog in there.
Lee
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