Don't attach to the "IBM0057" ID.  This ID is used by IBM machines for the PS/2 mouse controller.  Thus, when acpi_ibm(4) claimed the mouse device, the mouse would stop working.  The one ACPI dump of an R40 that I've looked at includes an HKEY device with the proper "IBM0068" ID, so I'm not sure how the "IBM0057" ID could have helped at all.
Don't attach to the "IBM0057" ID.  This ID is used by IBM machines for
the PS/2 mouse controller.  Thus, when acpi_ibm(4) claimed the mouse
device, the mouse would stop working.  The one ACPI dump of an R40 that
I've looked at includes an HKEY device with the proper "IBM0068" ID, so
I'm not sure how the "IBM0057" ID could have helped at all.

MFC after:	1 week
Approved by:	njl

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