kern/74989: (regression) Lost USB support between5.2.1-RELEASE and 5.3-RELEASE on K7T266 Pro2.

[Julian Elischer]

Julien Gabel wrote:

>>To answer to Anish who asked me "What happens when you boot w/ without
>>ACPI enabled?": i can say that i already try this without much success.
>>I also try to _play_ with my BIOS settings... no luck here too.
>>    
>>
>
>Ok. After playing with my BIOS settings, i decided to reset them all.
>And here, i can say that i previously made a mistake: *disable* ACPI at
>boot time _do_ the trick!
>
>So, i ended with these two systems:
>  - notebook: FreeBSD 5.2.1 + ACPI enable  => USB ok
>  - notebook: FreeBSD 5.3   + ACPI disable => USB ok
>
>  - desktop:  FreeBSD 5.2.1 + ACPI enable  => USB ko :(
>  - desktop:  FreeBSD 5.3   + ACPI disable => USB ok
>
>The desktop is the machine equipped with the MSI K7T266 Pro2 motherboard.
>Note: the BIOS firmware is up to date with the last revision available.
>
>The update during the RELENG_5 branch seems to be at the origin of the
>USB support problem on this motherboard.
>

have you also disabled "legacy USB support"?

so, in your estimation is the problem in the ACPI code or the USB code?

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