> That's exactly what I have. This is just so weird. I am now reading the
> debug register chapter of intel's manual, it is virtually impossible to
> pinpoint the location by single-stepping through the code...
>
The debug register trick worked, and the discovery was quite unexpected:
because the isa bus is hanging off the pci bus, bus_release_resource()
call by a isa device, eventually reaches the pci_release_resource(),
where the device is blindly assumed to be a pci device and its isa_device
struct overwritten as if it were a struct pci_devinfo. pci_release_resource()
should check for pass-thru releases.
-lq
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