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Date: Thu, 02 Dec 2004 21:06:52 -0800
From: Tabor Kelly <tkelly-freebsd-questions@taborandtashell.net>
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Subject: Re: ACPI kills USB mouse
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Robert William Vesterman wrote:

> Hi,
>
> I've been having a hard time getting my USB mouse to work.  Tonight, I 
> accidentally booted without ACPI support, and the USB mouse magically 
> worked.  I tried booting with and without ACPI support several times 
> thereafter, and each time, the USB mouse worked if and only if I 
> hadn't booted with ACPI support.
>
> Is this a known problem? Is there a workaround? Is there any sort of 
> information I can gather that might help to narrow down the problem?
>
> This is with 5.3-RELEASE, by the way.
>
> Thanks in advance for any help.
>
> Bob Vesterman.


It is known (at least by myself) that the FreeBSD ACPI support can break
all sorts of things if it doesn't happen to agree with your hardware. I
think the known workaround is booting with support disabled.

-Tabor Kelly