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Date: Tue, 14 Dec 2004 00:25:16 +0100 (CET)
From: "Julien Gabel" <jpeg@thilelli.net>
To: freebsd-gnats-submit@freebsd.org,
	"Anish Mistry" <mistry.7@osu.edu>
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cc: freebsd-usb@freebsd.org
Subject: Re: kern/74989: (regression) Lost USB support between  
 5.2.1-RELEASE and 5.3-RELEASE on K7T266 Pro2.
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>> 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

I correct myself one more time:
  - notebook:  FreeBSD 5.2.1 + ACPI enable  => USB ok
  - notebook:  FreeBSD 5.3   + ACPI enable  => USB ok
  - notebook:  FreeBSD 5.3   + ACPI disable => USB ok

  - desktop:   FreeBSD 5.2.1 + ACPI enable  => USB ok
  - desktop:   FreeBSD 5.3   + 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.

-- 
-jpeg.