Messages in this thread | | | Date | Wed, 12 Dec 2007 21:29:22 +0000 | From | Alan Cox <> | Subject | Re: More info on port 80 symptoms on MCP51 machine. |
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> One wonders if it does some SMM trick to capture port 0x80 writes and > attempt to haul them off for debugging; it almost sounds like some kind > of debugging code got let out into the field.
Not implausible. We've got a bug I've been dealing with where a vendor left debug stuff enabled via the parallel port and which clearly "escaped" from the test environment to the BIOS proper.
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