[Dri-devel] PPC Lockup (ati-pcigart-branch)

[Michael Schmitz]

> >> Very hard work indeed :) You'd have to write a mecanism to let most of
> >> the OHCI controller code to run in a polled way from within the
> >> debugger... quite nasty.
> >
> >Why? How's that different from ADB keyboards? It just won't work when
> >interrupts are dead ;-)
>
> xmon can poll the keyboard without any interrupts on Cuda & PMU machines
> by sending the appropriate Cuda or PMU command to the chip and doing
> polled IOs. On USB, it's also possible to poll the interrupt status

Yuck. Thanks for the clarification ... I always thought ADB was too messy
for this but should have checked the source...

	Michael


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