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Date: Fri, 16 Oct 2009 08:09:22 +0300
From: Andriy Gapon <avg@freebsd.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org
Subject: Re: svn commit: r198151 - in head/sys/dev: pci usb/controller
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on 15/10/2009 23:07 Andrew Thompson said the following:
> Author: thompsa
> Date: Thu Oct 15 20:07:08 2009
> New Revision: 198151
> URL: http://svn.freebsd.org/changeset/base/198151
> 
> Log:
>   Workaround buggy BIOS code in USB regard. By doing the BIOS to OS handover for
>   all host controllers at the same time, we avoid problems where the BIOS will
>   actually write to the USB registers of all the USB host controllers every time
>   we handover one of them, and consequently reset the OS programmed values.

This should fix the boot-time problems with AMD SB600/SB7xx controllers.
Many thanks to Hans for a lot of help.

-- 
Andriy Gapon