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Date: Mon, 13 Dec 2004 23:40:25 GMT
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To: freebsd-bugs@FreeBSD.org
From: Julian Elischer <julian@elischer.org>
Subject: Re: kern/74989: (regression) Lost USB support between5.2.1-RELEASE
 and 5.3-RELEASE on K7T266 Pro2.
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The following reply was made to PR kern/74989; it has been noted by GNATS.

From: Julian Elischer <julian@elischer.org>
To: Julien Gabel <jpeg@thilelli.net>
Cc: freebsd-gnats-submit@freebsd.org,
	Anish Mistry <mistry.7@osu.edu>, freebsd-usb@freebsd.org
Subject: Re: kern/74989: (regression) Lost USB support between  5.2.1-RELEASE
 and 5.3-RELEASE on K7T266 Pro2.
Date: Mon, 13 Dec 2004 15:34:54 -0800

 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?
 
 >
 >  
 >