Fulko Hew wrote:

It turns out that this laptop (Compal CL50) has an ACPI that basically says:
"If the OS name isn't exactly 20 characters long. ie. "Microsoft Windows XP" then the EHCI controller is disabled.


...
"HOWTO: Fix Common ACPI Problems (DSDT, ECDT, etc.)"
http://forums.gentoo.org/viewtopic.php?t=122145


Yeech!  Thanks for posting that, I didn't realize that the DSDT
entries were so flakey.  FWIW on the systems I have here, they
all compare a few OS name strings literally, instead of checking
the length.  And the DSDTs are all compiled with the buggy MSFT
compiler too.

- Dave



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