Jeremy Chadwick <[EMAIL PROTECTED]> writes:
> On Mon, Oct 13, 2008 at 09:57:22AM -0600, Warren Block wrote:
>> On Sun, 12 Oct 2008, ton80 wrote:
>>
>>> I am trying to install FreeBSD.
>>> During the install (actually at the beginning of the process) the system
>>> hangs indefinitely.
>>> When it gets to the select country screen...it is frozen.
>>> During the boot process, as it is reading all the hardware, it finds the USB
>>> controller OK then later it states there was an IO error and that the USB
>>> controller is halted. I have a USB Keyboard and mouse...so I would say the
>>> problem is here.
>>> Is there any workaround I can use to get things going?
>>
>> Set "USB Legacy Support" to disabled in the BIOS.  If that isn't  
>> available, it might work to boot with the keyboard detached.  Connect it  
>> after the BIOS boot, at the FreeBSD bootloader prompt or maybe at the  
>> country select screen.
>
> I don't see how this would solve or even affect his problem.
>
> As I understand it, "USB Legacy Support" is intended for operating
> systems which do not have a USB stack available to them, thus making USB
> keyboards/mice appear as PS/2 keyboards/mice within MS-DOS and so on.  I
> believe the way it works is that the BIOS acts as a software translation
> layer between the USB device and PS/2 interaction.  This translation is
> lost the instant interrupts are re-mapped or the southbridge/USB
> controller is initialised.
>
> The OP is making it past boot2/loader, the kernel and all its drivers
> are fully loaded (including the USB stack).

Well, that may be totally correct but practice... Ex., I have an ASUS
P5K motherboard and I can't use a USB mouse with "USB Legacy Support".
The mouse is detected and works IFF this support is OFF.


WBR
-- 
Boris Samorodov (bsam)
Research Engineer, http://www.ipt.ru Telephone & Internet SP
FreeBSD committer, http://www.FreeBSD.org The Power To Serve
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